MedStar Family Choice Contact Directory
14 contact channels across 4 types (Email, Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 25, 2026 from the payer's published directories.
Phone
6 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 800-261-3371 | Claims Status, Provider Services | Medicaid | N/A | Quick Reference Guide designates this specifically as Provider Customer Service Line - Claims Department / Provider calls for MedStar Family Choice Maryland HealthChoice | MedStar Family Choice Provider Customer Service Line | View source |
| 410-933-2200 | Medical Management | Medicaid | Business days 8:30 a.m. – 5:00 p.m. | Case management / utilization management contact for Maryland HealthChoice providers - MedStar Family Choice Maryland HealthChoice – case manager contact for utilization management and prior authorization-related clinical coordination | View source |
| 202-363-4348 | Prior Authorization | Medicaid | Business days 8:00 a.m. – 5:30 p.m. | General line for prior authorization and utilization management for MedStar Family Choice DC - MedStar Family Choice DC – all services (non‑pharmacy and pharmacy) prior authorization inquiries | View source |
| 855-798-4244 | Prior Authorization | Medicaid | Business days 8:00 a.m. – 5:30 p.m. | General line for prior authorization and utilization management for MedStar Family Choice DC - MedStar Family Choice DC – all services (non‑pharmacy and pharmacy) prior authorization inquiries | View source |
| 800-905-1722, option 5 | Provider Services | Medicaid | Monday through Friday, 8:30 a.m. to 5 p.m. | Described as MedStar Family Choice Provider Telephone Line - Provider Relations Department – network provider education, inquiries, questions, problems, and concerns | View source |
| 800-905-1722 | Provider Services, Credentialing Enrollment, Medical Management | Medicaid | Monday through Friday, 8:30 a.m. – 5:00 p.m. | Business days 8:30 a.m. – 5:00 p.m. | Provider relations main telephone number listed in Ready Reference Index | Provider relations line for Maryland HealthChoice providers and prospective providers | Case management / utilization management contact for Maryland HealthChoice providers - MedStar Family Choice general provider relations – Maryland HealthChoice | MedStar Family Choice Maryland – contact for existing and prospective providers regarding contracting, enrollment, and related issues (option 5) | MedStar Family Choice Maryland HealthChoice – case manager contact for utilization management and prior authorization-related clinical coordination | View source |
Fax
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 202-243-6307 | Prior Authorization | Medicaid | N/A | Fax number for non‑pharmacy prior authorization requests (including DME) for DC Medicaid - MedStar Family Choice DC – Prior Authorization (Non‑Pharmacy & DME) Request Form and Uniform Consultation Referral Form | View source |
| 855-600-3077 | Provider Services | Medicaid | N/A | Provider Relations Department fax for MedStar Family Choice Maryland HealthChoice | View source |
| 888-243-1790 | Provider Services | Medicaid | N/A | General fax number listed with MedStar Family Choice address in Ready Reference Index - MedStar Family Choice – general provider fax (Maryland HealthChoice) | View source |
Mailing Addresses
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| MedStar Family Choice‑DC Claims Processing Center, PO Box 1624, Milwaukee, WI 53201 | Claims Submission | Medicaid | N/A | Claims processing center mailing address for DC paper claims/encounters - MedStar Family Choice‑DC – Claims/Encounter Data Submission mailing address | View source |
| MedStar Family Choice DC, DC Claims Processing Center, P.O. Box 211702, Eagan, MN 55121 | Claims Submission | Medicaid | N/A | Claims processing center mailing address for paper claims/encounters - Paper medical claims for MedStar Family Choice DC (DC Healthy Families) | MedStar Family Choice Maryland HealthChoice – Claims/Encounter Data Submission mailing address | Paper claims for MedStar Family Choice Maryland HealthChoice | View source |
| MedStar Family Choice Maryland Claims, PO Box 2189, Milwaukee, WI 53201 | Claims Submission | Medicaid | N/A | Used for refunds and overpayments per provider newsletter - MedStar Family Choice Maryland Claims address for refunds/overpayments and claims processing | View source |
| MedStar Family Choice, 5322 King Avenue, Suite 400, Baltimore, MD 21237 | Provider Services | Medicaid | N/A | Corporate/provider relations mailing address listed in Ready Reference Index - MedStar Family Choice Maryland – general provider correspondence address | View source |
1 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| mfc-providerrelations2@medstar.net | Provider Services, Credentialing Enrollment | Medicaid | Monday through Friday, 8:30 a.m. – 5:00 p.m. | Provider relations email for Maryland HealthChoice providers and prospective providers - Email for MedStar Family Choice Provider Relations Department | MedStar Family Choice Maryland – contact for provider relations regarding becoming a provider or existing provider issues | View source |
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Sources
Where this data comes from
Every contact in this directory comes from documents the payers publish themselves, such as provider manuals, quick reference guides, and contact pages, and each payer page shows when its contacts were last verified. You can see all of our data sources and how we process them.
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