Maryland Medicaid — Maryland Medicaid (HealthChoice)
| Program name | Maryland Medicaid (HealthChoice) |
|---|---|
| Provider portal | https://health.maryland.gov/mmcp |
| FFS claims payer ID | No single canonical ID — routing is fiscal-intermediary-specific. Verify per clearinghouse. |
| Medicaid timely filing | 365 days from date of service |
The federal ceiling for Medicaid timely filing is 12 months under 42 CFR §447.45; most states set a shorter window. Always verify the current policy on the Maryland Medicaid provider portal before filing a late-billing appeal.
BCBS licensee in Maryland
The Blue Cross Blue Shield Association licensee in Maryland is CareFirst BlueCross BlueShield (Maryland / DC / Northern VA). See the CareFirst BCBS payer guide for payer ID, timely filing, prior auth, and appeal procedures.
Top commercial payers in Maryland
The dominant commercial insurers operating in Maryland, in approximate order of lives covered. Click through for per-payer claims payer IDs, timely filing windows, prior-authorization rules, and appeal procedures.
Medicaid MCOs in Maryland
Maryland Medicaid (HealthChoice) contracts with the following managed-care organizations to administer Medicaid benefits in Maryland. MCO contracts dictate claims routing, prior-auth workflows, and appeal deadlines — route each claim by the member's MCO assignment, not the state FFS payer ID.
State-specific regulations affecting Maryland billing
- MD HB 1143 / SB 772 (2020 — balance billing protections, OON at in-network facilities)
- MD Insurance Article §15-1005 (prompt pay — 30 days electronic clean claim)
- MD Medical Debt Protection Act (HB-565, 2021 — hospital medical debt reform)
Provider licensing & enrollment in Maryland
Providers enroll via Maryland eMedicaid (ePREP — electronic Provider Revalidation and Enrollment Portal). HealthChoice MCOs credential separately.
Major health systems headquartered in Maryland
| Health system | Headquarters |
|---|---|
| Johns Hopkins Health System | Baltimore, MD |
| University of Maryland Medical System (UMMS) | Baltimore, MD |
| MedStar Health | Columbia, MD |
| LifeBridge Health | Baltimore, MD |
| Luminis Health | Annapolis, MD |
Frequently asked questions — Maryland billing
What is the Maryland Medicaid program called?
Maryland's Medicaid program is known as Maryland Medicaid (HealthChoice). Providers enroll and manage claims through the provider portal at https://health.maryland.gov/mmcp.
What is the Maryland Medicaid timely filing limit?
Maryland Medicaid (HealthChoice) requires initial claims to be filed within 365 days from the date of service. The federal ceiling is 12 months under 42 CFR §447.45; Maryland's 365-day window is set by the state provider manual. Late-billing exceptions may be allowed with good-cause documentation — verify on the state portal before filing an appeal.
Does Maryland Medicaid publish a single claims payer ID?
No single canonical claims payer ID is published for Maryland Medicaid (HealthChoice). Claims route through the state's fiscal intermediary; look up the correct submitter ID in your clearinghouse directory (Availity, Change Healthcare/Optum, Waystar) and route managed-care claims by the member's MCO assignment.
Who are the largest commercial insurers in Maryland?
The dominant commercial payers in Maryland include CareFirst BCBS, UnitedHealthcare, Aetna, Cigna, Kaiser Permanente, along with the BCBS licensee CareFirst BlueCross BlueShield (Maryland / DC / Northern VA). Each payer's claims routing, timely filing, and prior-auth rules differ — see the per-payer guides linked above.
What Medicaid managed-care organizations operate in Maryland?
Maryland Medicaid (HealthChoice) contracts with 5 Medicaid MCOs tracked in the QuickIntell registry, including UnitedHealthcare, Anthem (Elevance Health), Molina Healthcare, Aetna Better Health, CareFirst BCBS. MCO contracts determine claims routing and appeal deadlines — route each claim by the member's MCO assignment, not by the FFS payer ID.
What state-specific billing regulations apply in Maryland?
Maryland has 3 tracked state-level statutes that affect medical billing and RCM: MD HB 1143 / SB 772 (2020 — balance billing protections, OON at in-network facilities); MD Insurance Article §15-1005 (prompt pay — 30 days electronic clean claim); MD Medical Debt Protection Act (HB-565, 2021 — hospital medical debt reform). These sit on top of federal protections such as the No Surprises Act, HIPAA, and 42 CFR §447.45.
Run cleaner claims in Maryland with QuickIntell
QuickRCM, QuickAuth, and QuickERA are tuned to Maryland Medicaid (HealthChoice) and the commercial payers on this page — eligibility, prior auth, claim scrubbing, and ERA posting all run on real payer rules, not generic adapters.
Disclaimer
This page is operational reference for medical-billing professionals. It is not legal, clinical, or contractual advice. State Medicaid policies, MCO contracts, and payer rules change without notice — always verify against the current provider manual from Maryland Medicaid and the member ID card before submission.