Adam Joseph Maier, DO

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

2232 Issued in NE

Practice address

8901 Wisconsin Ave
Bethesda, MD 20889-0004

Phone

(301) 295-4000

Fax

(301) 319-2172

NPI assigned

Apr 2, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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

{
    "created_epoch": "1554163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1003378696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890004",
            "telephone_number": "301-295-4000",
            "fax_number": "301-319-2172"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890004",
            "telephone_number": "301-295-4000",
            "fax_number": "301-319-2172"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "34800 Bob Wilson Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921341098",
            "country_code": "US",
            "telephone_number": "619-532-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAIER",
        "first_name": "ADAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-02",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NE",
            "license": "2232",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NE",
            "license": "2232",
            "primary": true
        },
        {
            "code": "171000000X",
            "taxonomy_group": "",
            "desc": "Military Health Care Provider",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole Mahr
• Mahteme Selassie, Mdpa
• Alexandra Tram Mai, DDS
• Betty Mai
• Vinh Q. Mai, D.O.
• Angel Maiga
• Monica Maines, CCC SLP
• Muhammad Hassan Majeed, M.D.
• Rachel Makar
• Zizette Ragy Makary, M.D.

• Infectious Disease Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Infectious Disease Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.