John Fredrick Ensley, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301041899 Issued in MI

Practice address

Karmanos Cancer Center
4100 John R Hwcrc 4TH FL
Detroit, MI 48201

Phone

(800) 527-6266

NPI assigned

Jun 1, 2006

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 MI

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 Medicine

State licenses

Practice roles

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.

• University Physician Group

  • Social Worker
  • Livonia, MI
  • NPI 1154360402
  NPD (past)

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

{
    "created_epoch": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1063459543",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 WOODWARD AVE",
            "address_2": "SUITE 702",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482012061"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "KARMANOS CANCER CENTER",
            "address_2": "4100 JOHN R HWCRC 4TH FL",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "48201",
            "telephone_number": "800-527-6266"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ENSLEY",
        "first_name": "JOHN",
        "middle_name": "FREDRICK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301041899",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Enjoi Transportation
• Ennis Center for Children, Inc
• Joseph Darwiyn Enos, MSN, FNP B-C
• Karen Jo Enright, M.D., PH.D.
• Cansu Kethuda Ensert Cihan, M.D.
• Entyre Care Michigan LLC
• Entyre Care Michigan LLC
• Abigail Leigh Entz, MD
• Envy Me Enterprise Inc
• Matthew M Epelman, DO

• Internal Medicine Physician in Detroit, MI
• Providers in Detroit, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.