Andrew Hamilton Warner, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

H0103152 Issued in MD

Practice address

8901 Clement Ave
Parkville, MD 21234-2603

Phone

(410) 661-4670

Fax

(410) 661-4671

NPI assigned

Apr 7, 2021

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Marian University College of Osteopathic Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Maryland Medical First PAGroup PAC ID 1850329715, 26 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/BAFGCA

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Maryland Medical First P.a.

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1013005016
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617753600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1275112070",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 CLEMENT AVE",
            "city": "PARKVILLE",
            "state": "MD",
            "postal_code": "212342603",
            "telephone_number": "410-661-4670",
            "fax_number": "410-661-4671"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 CLEMENT AVE",
            "city": "PARKVILLE",
            "state": "MD",
            "postal_code": "212342603",
            "telephone_number": "410-661-4670",
            "fax_number": "410-661-4671"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARNER",
        "first_name": "ANDREW",
        "middle_name": "HAMILTON",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-07",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "H0103152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stevann Waithe, LGSW
• Sarah Ashley Walczak
• Bernard Emanuel Walker, LMSW
• Jason Vaughn Walp, DC
• Kezziah Wanene, OTA
• Tricia Watkeys, PHARMD
• Waynes' Repairs DME Services
• Laura Snider Weidley, OT
• Well Eyecare Physician LLC
• Kelly A. Welsh, OTR/L

• Internal Medicine Physician in Parkville, MD
• Providers in Parkville, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.