Oyiyechukwu Onwudiwe, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

D0106531 Issued in MD

Practice address

515 Fairmount Ave Ste 320
Towson, MD 21286-5466

Phone

(410) 486-0497

NPI assigned

Jun 1, 2021

Sex

Female

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

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1622505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1083280952",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "515 FAIRMOUNT AVE STE 400",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212868518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "515 FAIRMOUNT AVE STE 320",
            "city": "TOWSON",
            "state": "MD",
            "postal_code": "212865466",
            "telephone_number": "410-486-0497"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1838 Greene Tree Rd Ste 225A",
            "address_purpose": "LOCATION",
            "city": "Pikesville",
            "state": "MD",
            "postal_code": "212086391",
            "country_code": "US",
            "telephone_number": "410-486-0497",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONWUDIWE",
        "first_name": "OYIYECHUKWU",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-01",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MD",
            "license": "D0106531",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• One Source Wellness Works LLC
• Barbara Oneal
• Onsite Innovations LLC
• Hailey Onsted
• Nneka Immaculate Onuorah
• Chinenye Izuada Onyima
• Maw Naing Oo, M.D.
• Rachel Pearl Oppenheimer, LGPC
• Optimal Healthcare Services LLC
• Optimal Healthcare Services LLC

• Endocrinology, Diabetes & Metabolism Physician in Towson, MD
• Providers in Towson, MD by specialty
• Endocrinology, Diabetes & Metabolism Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.