John T Williams Sr., MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

MD029310L Issued in PA

Practice address

5501 Old York Rd
Willowcrest Road 4TH Floor
Philadelphia, PA 19141

Phone

(215) 456-7900

Fax

(215) 456-3428

NPI assigned

Mar 9, 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

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

Practice roles

Locations

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.

• Einstein Practice Plan Inc

  • Certified Registered Nurse Anesthetist
  • Philadelphia, PA
  • NPI 1457047433
  NPD
• Einstein Practice Plan Inc

  • Orthopaedic Surgery Physician
  • Philadelphia, PA
  • NPI 1477510154
  NPD
• Einstein Practice Plan Inc

  • Psychiatry Physician
  • Philadelphia, PA
  • NPI 1760434468
  NPD

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

{
    "created_epoch": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1598733073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 E OLNEY AVE",
            "address_2": "400",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "19120",
            "telephone_number": "215-456-7000",
            "fax_number": "215-254-2599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5501 OLD YORK RD",
            "address_2": "WILLOWCREST ROAD 4TH FLOOR",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "19141",
            "telephone_number": "215-456-7900",
            "fax_number": "215-456-3428"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOHN",
        "middle_name": "T",
        "name_suffix": "Sr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "MD029310L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeffrey Williams
• Jeffrey Derek Williams, PHARMD
• Jeniya Williams
• Jessica Williams
• Joann Williams, BSW
• Joseph Gary Williams, LSW
• Joseph J. Williams, MD PC
• Joshua L Williams, D.C.
• Joyce Monica Williams, MD
• Kaiya Williams

• Orthopaedic Surgery Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Orthopaedic Surgery Physician in Pennsylvania

• 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.