Ryan Obarzanek, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

4301512590 Issued in MI

Practice address

4646 John R St
Detroit, MI 48201-1916

Phone

(313) 576-1000

NPI assigned

May 3, 2018

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: robarzanek938669@direct.hfhs.org

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

{
    "created_epoch": "1525305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739318400000",
    "number": "1346739596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4646 JOHN R ST",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482011916",
            "telephone_number": "313-576-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4646 JOHN R ST",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482011916",
            "telephone_number": "313-576-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBARZANEK",
        "first_name": "RYAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-05-03",
        "last_updated": "2025-02-12",
        "certification_date": "2025-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MI",
            "license": "4301512590",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Oakwood Professional Billing, LLC
• Amy B Oatfield, PA-C
• Breandan Michael Oatman, DO
• Waleed Obaid, M.D
• Obama Pharmacy LLC
• Olajide Temitope Obe, DDS, MPH, MS
• Abdllqwy Obeid, MD
• Carla Obeid, MS
• Danya Obeid
• Erfan Adel Obeid, M.D.

• Pulmonary Disease Physician in Detroit, MI
• Providers in Detroit, MI by specialty
• Pulmonary Disease Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 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.