Sigrid Gardner Williams, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

57253 Issued in AZ

Practice address

655 E River Rd Ste 201
Tucson, AZ 85704-5824

Phone

(520) 258-0585

Fax

(833) 449-2358

NPI assigned

Mar 28, 2012

Last updated

Oct 3, 2024By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AZ

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

Specialty

Obstetrics/Gynecology

Education

University of Arizona College of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Genesis OB GYN PLLCGroup PAC ID 4284724279, 109 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/19050/brand/1/csg/1/fhir/r4
• Direct secure messaging: sigrid.williams.1@17260.direct.athenahealth.com
• Direct secure messaging: sigrid.williams.3@19050.direct.athenahealth.com

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.

• Genesis OB GYN PLLC

  • Obstetrics & Gynecology Physician
  • Tucson, AZ
  • NPI 1992994214
  Medicare reassignment Care Compare group NPD
• Banner-University Medical Group

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1508809427

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Banner-University Medical Group

  • Nutrition Education Nutritionist
  • Tucson, AZ
  • NPI 1639842677
  NPD
• Banner-University Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Tucson, AZ
  • NPI 1922820935
  NPD
• Banner - University Medical Center Tucson Campus LLC

  • General Acute Care Hospital
  • Tucson, AZ
  • NPI 1265820179
  NPD (past)

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

{
    "created_epoch": "1332892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1727913600000",
    "number": "1033485511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 81064",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441810064"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "655 E RIVER RD STE 201",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857045824",
            "telephone_number": "520-258-0585",
            "fax_number": "833-449-2358"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4600 S Park Ave Ste 6B",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857141697",
            "country_code": "US",
            "telephone_number": "520-624-6260",
            "fax_number": "833-449-2358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "SIGRID",
        "middle_name": "GARDNER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-28",
        "last_updated": "2024-10-03",
        "certification_date": "2024-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "AZ",
            "license": "57253",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "462098",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AZ MEDICAL BOARD",
            "identifier": "57253",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Rebecca Jolene Williams, RRT
• Rickey Lynn Williams, M.D.
• Sarah Williams, RD
• Sharie Williams, PT
• Shatifah Williams
• Susan Larysel Williams
• Victoria Williams, M.ED, BCBA, LBA
• Walter H Williams, MD, PHD
• Williamsburg Iup, LLC
• Angel Darlene Williamson

• Obstetrics & Gynecology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Obstetrics & Gynecology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 2024; 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.