Marc S Williams, MD

Primary specialty

Clinical Genetics (M.D.) PhysicianTaxonomy code 207SG0201X

License

MD444648 Issued in PA

Practice address

100 N Academy Ave
Danville, PA 17822-1005

Phone

(570) 214-7941

Fax

(570) 271-5886

NPI assigned

Sep 2, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA

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

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.

• Geisinger Clinic

  • Family Medicine Physician
  • Danville, PA
  • NPI 1366493868
  Medicare reassignment NPD
• Geisinger Clinic

  • Diagnostic Radiology Physician
  • Danville, PA
  • NPI 1558313023
  NPD
• Geisinger Clinic

  • Pediatrics Physician
  • Scranton, PA
  • NPI 1952995482
  NPD
• Ihc Health Services, Inc.

  • Psychiatry Physician
  • St George, UT
  • NPI 1023843844
  NPD (past)

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

{
    "created_epoch": "1157155200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1597190400000",
    "number": "1992807655",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178224903",
            "telephone_number": "570-271-6144",
            "fax_number": "570-271-6578"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178221005",
            "telephone_number": "570-214-7941",
            "fax_number": "570-271-5886"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARC",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-02",
        "last_updated": "2020-08-12",
        "certification_date": "2020-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207SG0201X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Clinical Genetics (M.D.)",
            "state": "PA",
            "license": "MD444648",
            "primary": true
        },
        {
            "code": "207SG0201X",
            "taxonomy_group": "",
            "desc": "Medical Genetics, Clinical Genetics (M.D.)",
            "state": "UT",
            "license": "57601011205",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MD444648",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "UT",
            "license": "57601018905",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwilliams98196@direct.geisinger.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "100 N Academy Ave",
            "city": "Danville",
            "state": "PA",
            "country_code": "US",
            "postal_code": "178221005",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Heinric Williams, MD
• Joseph Post Williams II, M.D.
• Keith Patrick Williams, MD
• Kelsey Lynn Williams, RDH PHDHP
• Lacey Nicole Williams, DMD
• Marianne D. Williams, R.D.
• Nicole Diane Williams, CRNP
• Madeline Lucy Williamson, MS
• Michael David Russell Willie, CRNA
• James R Willis, M.D.

• Clinical Genetics (M.D.) Physician in Danville, PA
• Providers in Danville, PA by specialty
• Clinical Genetics (M.D.) Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2020; 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.