A Medicaid denial usually arrives long after the mistake that caused it.
The resident may have been admitted six weeks ago. The nursing home provided the care, closed the month, submitted the claim, and expected payment. Then the remittance comes back with a denial because eligibility did not cover the billed dates, another payer should have been billed first, or required documentation was missing.
Now the business office has to go backward.
Someone checks eligibility. Someone else searches for paperwork. Billing corrects the account. The claim goes back out, and another payment cycle begins.
For Maryland nursing home owners, CFOs, administrators, and billing managers, this is why denial prevention matters as much as denial management. A corrected claim may eventually pay, but the delay still affects cash flow and consumes staff time.
At Zeebra Group, we work with nursing homes on Medicaid billing, denial management, aging accounts receivable, payment posting, and revenue-cycle follow-up. One lesson appears repeatedly: many expensive denials are surprisingly predictable.
Not Every Maryland Medicaid Denial Is a Billing Error
Before looking at individual denial types, there is an important distinction.
Sometimes billing did everything correctly and the payer still needs additional information or processes the claim incorrectly.
Other times, the denial starts inside the facility.
Maybe eligibility was not checked. Maybe a payer transition was missed. Perhaps the level-of-care information had not been updated. Or a claim sat on hold so long that it crossed a filing deadline.
A good denial-management process separates those situations.
The question should not simply be:
How do we get this claim paid?
It should also be:
Why did this claim deny, and could we have prevented it?
That second question is what improves the revenue cycle.
Denial #1: Medicaid Eligibility Does Not Cover the Dates Billed
Eligibility problems are among the most basic—and avoidable—reasons a Medicaid claim can fail.
Maryland Medicaid maintains an Eligibility Verification System that providers can use to confirm a participant’s Medicaid eligibility status.
The problem is relying on information that was correct at admission but may no longer be correct at billing.
A resident can experience:
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Changes in eligibility
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A change in coverage dates
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Medicare involvement
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Managed care enrollment
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Another payer becoming primary
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Long-term-care eligibility issues
How to Avoid It
Verify eligibility before billing the service period.
Pay extra attention to:
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New admissions
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Newly approved Medicaid residents
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Medicaid-pending cases
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Medicare-to-Medicaid transitions
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Accounts that previously denied for eligibility
The Maryland Department of Health’s Eligibility Verification System should be part of the business office’s routine workflow.
Do not wait for the remittance to tell you the resident was not eligible for the dates you billed.
Denial #2: The Wrong Payer Was Billed
A resident having Medicaid does not necessarily make Medicaid the first payer for every service.
Medicare, Medicare Advantage, commercial insurance, or another third party may be responsible before Medicaid.
Maryland’s own fee-for-service billing guidance identifies claims where a third party should pay as a common billing problem.
How to Avoid It
At admission and before monthly billing, answer:
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Does the resident have Medicare?
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Medicare Advantage?
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Other insurance?
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Managed care?
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Is Medicaid currently primary?
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Did payer responsibility change during the month?
Then make sure the payer dates in the billing system agree with the resident’s actual coverage.
Wrong-payer claims are especially frustrating because the underlying service may be completely payable. The facility simply sent the bill to the wrong place.
Denial #3: Prior Authorization Was Required
Some Medicaid-covered services require authorization before they are provided or billed.
Maryland Medicaid identifies missing preauthorization as one of the common causes of claim problems.
In nursing-home operations, authorization problems can also appear when:
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Approval was never obtained
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Approval expired
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Approved dates do not match billed dates
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Wrong service was authorized
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Authorization number was entered incorrectly
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Approval existed but billing never received it
How to Avoid It
Do not treat authorization as a separate clinical process.
Create a handoff between whoever obtains the authorization and whoever bills the claim.
Billing should have access to:
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Authorization number
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Approved service
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Start date
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End date
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Approved level or units
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Payer
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Supporting approval notice
Before billing, compare:
authorization → census → claim
If those three do not agree, stop and resolve the difference.
Denial #4: Long-Term Care Eligibility or Span Information Is Wrong
Maryland has a specific Long Term Care Provider Resolution Unit for certain long-term-care span claim denials involving eligibility and the Long-Term Care Activity Report, MDH 257.
That is a clue to how important coverage spans are in Maryland LTC billing.
A claim can run into trouble when the Medicaid system’s coverage information does not align with the period the nursing home is trying to bill.
How to Avoid It
For long-term-care residents, reconcile:
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Admission date
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Medicaid eligibility dates
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Long-term-care coverage span
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Short-term versus long-term stay information
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Discharge
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Hospital leave
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Payer changes
If a span issue is identified, do not keep resubmitting the same claim hoping for a different result.
Determine whether the underlying Medicaid record needs to be corrected first.
Denial #5: Required Documentation Was Not Submitted
Sometimes the claim data is correct but Medicaid needs supporting documentation.
Maryland Medicaid specifically identifies missing documentation as a common billing mistake.
For nursing facilities, documentation may also become relevant to level of care, MDS-related reimbursement, medical necessity, or another review.
How to Avoid It
Create a documentation checklist for claims that require support.
The checklist might include:
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Medical eligibility documentation
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Level-of-care information
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Physician records
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Supporting remittance
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Primary-payer documentation
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Required forms
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Claim correction documentation
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Prior approval
The goal is not to attach every document in the chart.
It is to submit the documents the payer actually needs for that claim.
Denial #6: The Claim Is a Duplicate
Duplicate denials often occur because nobody is sure what happened to the original claim.
The biller does not see payment, assumes the claim failed, and submits it again.
But the first claim may still be processing.
Or a corrected claim is submitted incorrectly and the system interprets it as a second original claim.
How to Avoid It
Before resubmitting, check:
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Was the original claim received?
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What is its current status?
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Is there a transaction control number?
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Did it reject or deny?
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Does it need a corrected claim rather than a new claim?
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Has payment already been issued?
Maryland’s eMedicaid system allows providers to check claim status, payment information, and Remittance Advice.
Use claim status before creating another claim.
Denial #7: Provider or Participant Information Is Wrong
Maryland Medicaid lists missing or inaccurate provider or participant identification as another common billing problem.
It sounds minor, but small demographic or provider-record differences can stop payment.
Examples include:
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Incorrect Medicaid ID
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Incorrect provider number
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Wrong NPI
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Wrong resident information
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Incorrect service location
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Provider enrollment problem
How to Avoid It
Do not manually re-enter information when the system can reliably populate it.
For new residents and newly created payer accounts, perform a second review before the first claim is submitted.
Correcting the source record once is better than correcting the same field on every claim.
Denial #8: The Ordering or Referring Provider Is Not Properly Enrolled
Maryland Medicaid requires applicable ordering, referring, and prescribing providers to meet Medicaid enrollment requirements.
For relevant services, an inactive or improperly enrolled practitioner can affect reimbursement.
The Maryland Provider Verification System can be used to confirm certain provider enrollment information for the date of service.
How to Avoid It
Where an ordering or referring provider is required, verify the provider before billing.
Do not discover the enrollment issue after multiple claims have already denied.
This becomes especially important when facilities regularly work with outside physicians, ancillary providers, or specialists.
Denial #9: The Claim Passed the Timely-Filing Limit
This denial deserves special attention because once a filing deadline passes, the problem becomes much harder.
Maryland Medicaid’s current fee-for-service guidance states that providers generally must submit a clean claim within 12 months of the date of service or discharge, depending on provider type.
For long-term-care providers, Maryland reinstated the 128 – Beyond Statute denial effective October 1, 2024 for applicable electronically submitted claims beyond the 12-month filing period.
That policy remains operationally important in 2026.
How to Avoid It
Never allow timely filing to exist only in someone’s memory.
Create alerts for claims approaching:
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180 days
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270 days
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330 days
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365 days
High-dollar claims should be escalated well before the final deadline.
The dangerous accounts are usually not claims that billing intentionally ignored for a year.
They are accounts that spent months bouncing between:
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Eligibility
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Another payer
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Corrections
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Documentation
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Internal review
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Span problems
By the time someone notices the deadline, most of the year is gone.
Denial #10: The Claim Is Corrected but the Correction Is Never Followed
Correcting a claim does not collect the money.
It only starts another claims cycle.
This distinction is easy to miss in busy billing departments.
An account note might say:
“Corrected and resubmitted 8/12.”
That sounds productive.
But what happened on August 20?
Did Medicaid receive it?
Did it pass the edits?
Did it pay?
How to Avoid It
Every corrected claim should have a next follow-up date.
Track:
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Original denial
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Root cause
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Correction made
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Resubmission date
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Claim number
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Current status
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Expected payment
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Final resolution
A corrected claim should remain on the worklist until the correct money is actually posted.
Denial #11: PASRR or Level-of-Care Requirements Are Not Properly Addressed
Nursing facility reimbursement involves more than claim fields.
Maryland’s PASRR requirements can have reimbursement consequences. The state warns that nursing-facility failure to comply with applicable PASRR requirements can lead to denial or recovery of Medicaid payments.
Similarly, Maryland uses utilization-control and medical-eligibility processes for nursing-facility level of care.
How to Avoid It
Admissions, clinical staff, and billing need to communicate.
The business office should know when:
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Required assessments are incomplete
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A level-of-care issue is pending
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PASRR documentation is unresolved
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Medicaid eligibility cannot yet support billing
Billing cannot fix a clinical eligibility problem by changing a claim field.
Denial #12: Staff Read the Denial Code but Not the Root Cause
A remittance code tells you what happened to the claim.
It does not always tell you why the workflow failed.
Consider an eligibility denial.
The immediate solution may be to correct coverage dates.
But why were the dates wrong?
Admissions never updated the payer.
Or consider an authorization denial.
Why was authorization missing?
Maybe the person responsible for renewal was out for three days and there was no backup process.
That distinction matters.
Build a Denial Root-Cause Report
Group denials by:
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Eligibility
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Payer
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Authorization
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Documentation
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Timely filing
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Duplicate claim
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Provider information
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Long-term-care span
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Level of care
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Third-party liability
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Other claim data
Then track both:
number of claims
and
dollars denied
Five $40,000 denials deserve more attention than fifty $20 denials.
A Better Maryland Medicaid Denial Workflow
When a denial appears, the process should be straightforward.
First, Read the Remittance
Maryland Medicaid directs providers to use the Remittance Advice and applicable EOB code to understand why a claim denied.
Do not start changing the claim before understanding the denial.
Second, Identify the Root Cause
Ask whether it is:
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Claim data
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Eligibility
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Payer
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Authorization
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Documentation
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Provider enrollment
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Coverage span
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Filing deadline
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Medical eligibility
Third, Correct the Right Problem
Sometimes that means correcting the claim.
Sometimes it means fixing eligibility or a coverage span before the claim can pay.
Fourth, Document the Deadline
Do not lose timely filing or appeal rights while investigating.
Fifth, Follow Through to Payment
The claim is not resolved when someone calls Medicaid.
It is resolved when the correct payment is posted—or when the facility has a documented final disposition.
What Nursing Home Leadership Should Review Every Week
Administrators and CFOs do not need to review every denial individually.
They should see:
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Total dollars denied
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Denials over 90 days
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Top five denial reasons
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Largest individual denied claims
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Claims approaching filing deadlines
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Span-related problems
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Eligibility problems
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Claims corrected but still unpaid
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Dollars recovered during the week
And every significant account should have:
an owner + a next action + a date
That is more useful than a spreadsheet filled with “follow-up needed.”
How Zeebra Group Helps With Maryland Medicaid Denials
Zeebra Group helps nursing homes strengthen Medicaid billing and accounts receivable workflows.
Our team can support:
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Maryland Medicaid billing
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Denial follow-up
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Long-term-care AR
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Eligibility-related billing issues
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Corrected claims
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Payment posting review
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Claims-on-hold cleanup
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Medicare and Medicaid coordination
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Medicaid-pending tracking
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Aging AR
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Revenue-cycle reporting
You can learn more about our nursing-home billing support at Zeebra Group Services.
If a facility’s denial team spends most of the week fixing the same three problems over and over, simply adding more collectors may not solve the issue.
The better solution is usually to repair the workflow that keeps creating those denials.
Conclusion: Denial Prevention Starts Before Billing
Most Maryland Medicaid denials eventually show up in the business office.
But many of them start somewhere else.
Eligibility was not verified.
The wrong payer was entered.
Authorization expired.
A coverage span was wrong.
Documentation was incomplete.
A deadline passed while the account sat unresolved.
Strong nursing-home revenue cycles connect admissions, clinical operations, Medicaid eligibility, billing, payment posting, and AR instead of treating them as separate departments.
The next time the same denial appears for the fifth time, do not only ask:
“Who is going to fix this claim?”
Ask:
“Why are we still creating this denial?”
That is the question that improves collections over the long term.
FAQ
What are the most common Maryland Medicaid claim denials?
Maryland Medicaid identifies inaccurate provider or participant information, eligibility problems, noncovered or unauthorized services, missing prior authorization, duplicate or third-party claims, and missing documentation among common billing problems.
How can a nursing home verify Maryland Medicaid eligibility?
Maryland Medicaid providers can use the state’s Eligibility Verification System to confirm participant eligibility. Nursing homes should verify coverage for the applicable service dates rather than relying only on admission information.
What is Maryland Medicaid denial code 128?
Denial code 128 means Beyond Statute. Maryland reinstated the code for long-term-care providers for applicable claims beyond the 12-month timely-filing period.
How long do providers have to submit Maryland Medicaid claims?
Maryland’s current fee-for-service guidance generally requires a clean claim within 12 months from the date of service or discharge, depending on provider type. Managed care organizations may have their own billing requirements and deadlines.
Who handles long-term-care span claim problems in Maryland?
Maryland’s Long Term Care Provider Resolution Unit handles certain LTC span claim denials involving eligibility and the Long-Term Care Activity Report, MDH 257.
Can PASRR problems affect Maryland Medicaid nursing-home reimbursement?
Yes. Maryland states that failure to comply with applicable PASRR requirements can result in sanctions that include denial or recovery of Medicaid payments.
How can nursing homes reduce Maryland Medicaid denials?
Verify eligibility and payer responsibility before billing, reconcile coverage dates, monitor authorization, maintain required documentation, check claim status before resubmission, track timely filing, and analyze repeated denials by root cause.
Does Zeebra Group help with Maryland Medicaid denials?
Yes. Zeebra Group supports nursing homes with Maryland Medicaid billing, denial management, corrected claims, eligibility-related billing issues, payment posting, aging AR, and revenue-cycle reporting.
Learn more at Zeebra Group Services or contact our team.