John Williams

Primary specialty

Pediatric Infectious Diseases PhysicianTaxonomy code 2080P0208X

License

84587-20 Issued in WI

Practice address

1675 Highland Ave
Madison, WI 53792-0001

Phone

(608) 263-0946

NPI assigned

Oct 9, 2006

Last updated

Feb 24, 2025By 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 3

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in PA, WI2 enrollments

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 2

Specialty

Infectious Disease

Education

Virginia Commonwealth University, School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Wisconsin Medical Foundation IncGroup PAC ID 6608785464, 2,537 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  Medicare reassignment Care Compare group NPD
• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment NPD
• University of Wisconsin Medical Foundation, Inc

  • Health Educator
  • Madison, WI
  • NPI 1487414082
  NPD
• University of Pittsburgh Physicians

  • Pediatrics Physician
  • Pittsburgh, PA
  • NPI 1225096639

  Pediatric Infectious Diseases

  NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD
• Columbia Healthcare of Central Virginia Inc

  dba dba Richmond Specialty Group

  • Plastic Surgery Physician
  • Richmond, VA
  • NPI 1417946450
  NPD (past)
• Virginia Emergency Physicians LLP

  • Emergency Medicine Physician
  • Richmond, VA
  • NPI 1134475999
  NPD (past)
• Virginia Emergency Physicians LLP

  • Emergency Medicine Physician
  • Richmond, VA
  • NPI 1245255264
  NPD (past)
• Virginia Emergency Physicians LLP

  • Emergency Medicine Physician
  • Richmond, VA
  • NPI 1639193188
  NPD (past)

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

{
    "created_epoch": "1160352000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740355200000",
    "number": "1831286962",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1675 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-0946"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 Tvc",
            "address_2": "Third Floor",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372320001",
            "country_code": "US",
            "telephone_number": "615-322-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "NH",
            "postal_code": "037561000",
            "country_code": "US",
            "telephone_number": "603-650-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "600 Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537920001",
            "country_code": "US",
            "telephone_number": "608-263-0946",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-09",
        "last_updated": "2025-02-24",
        "certification_date": "2025-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "NH",
            "license": "23460",
            "primary": false
        },
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "TN",
            "license": "MD34293",
            "primary": false
        },
        {
            "code": "2080P0208X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Infectious Diseases",
            "state": "WI",
            "license": "84587-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "CHP@upmcdirect.com",
            "affiliation": "Y",
            "affiliationName": "UPMC",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jwilliams6680046@direct.uwhealth.org",
            "affiliation": "N",
            "address_1": "1675 Highland Ave",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537920001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Heaven Leigh Williams, MSW, APSW
• Isabelle Williams
• Jane Hibbard Williams, OT
• Janine L Williams, SAC-IT
• Jeremy Reece Williams, MD
• John Byron Williams, M.D.
• Jonathan R Williams, PMHNP-BC, DNP
• Kaci Lynn Williams, LMFT
• Katelynn Williams
• Kathryn L. Williams, M.D.

• Pediatric Infectious Diseases Physician in Madison, WI
• Providers in Madison, WI by specialty
• Pediatric Infectious Diseases Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.