William Joseph John, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

22113 Issued in KY

Practice address

789 Eastern Byp
Ste 25
Richmond, KY 40475-2421

Phone

(859) 623-1390

Fax

(859) 625-0387

NPI assigned

Jun 22, 2005

Last updated

Jul 13, 2026By the provider in NPPES

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

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Commonwealth Hematology Oncology PSC

  dba Commonwealth Cancer Center

  • Hematology & Oncology Physician
  • Somerset, KY
  • NPI 1285687178
  NPD (past)
• Ephraim McDowell Health Resource, Inc.

  dba Ephraim McDowell Commonwealth Cancer Center - Somerset

  • Family Nurse Practitioner
  • Somerset, KY
  • NPI 1528911609

  Hematology & Oncology

  NPD (past)

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

{
    "created_epoch": "1119398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1366448664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "216 SOUTHTOWN DR",
            "city": "DANVILLE",
            "state": "KY",
            "postal_code": "404222534",
            "telephone_number": "859-236-2203",
            "fax_number": "859-236-9446"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "789 EASTERN BYP",
            "address_2": "STE 25",
            "city": "RICHMOND",
            "state": "KY",
            "postal_code": "404752421",
            "telephone_number": "859-623-1390",
            "fax_number": "859-625-0387"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHN",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "KY",
            "license": "22113",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica a. Pennington
• Michaela Ann Jiunta, AU.D.
• Lora Jody, R.D.
• John M Johnstone MD Facc PSC
• John P Gillespie MD
• Cameron Johnson, CRNA, DNP
• Emily Michelle Johnson
• Hannah Rose Johnson, DPT
• Jason Wayne Johnson
• Kailey Johnson, LPCC

• Hematology & Oncology Physician in Richmond, KY
• Providers in Richmond, KY by specialty
• Hematology & Oncology Physician in Kentucky

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.