Erin K Williams, CNM

Primary specialty

Advanced Practice MidwifeTaxonomy code 367A00000X

License

7429931-4402 Issued in UT

Practice address

5121 S Cottonwood St Ste 170
Salt Lake City, UT 84107-5701

Phone

(801) 507-7070

Fax

(801) 507-7089

NPI assigned

May 19, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in UT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Certified Nurse Midwife (CNM)

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ihc Health Services IncGroup PAC ID 1850209420, 3,948 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Midwife

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.702

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.

• Ihc Health Services Inc

  • Multi-Specialty Clinic/Center
  • Sandy, UT
  • NPI 1942325154
  Medicare reassignment Care Compare group NPD
• Valley Obstetrics and Gynecology, PC

  • Obstetrics & Gynecology Physician
  • American Fork, UT
  • NPI 1588863377
  Medicare reassignment NPD
• Ihc Health Services Inc

  • Clinic/Center
  • Logan, UT
  • NPI 1033572193
  NPD
• Ihc Health Services, Inc.

  • Psychiatry Physician
  • St George, UT
  • NPI 1023843844
  NPD
• Valley Obstetrics and Gynecology, P.C.

  • Advanced Practice Midwife
  • American Fork, UT
  • NPI 1780002188
  NPD
• Valley Obstetrics and Gynecology, PC

  • Obstetrics & Gynecology Physician
  • Spanish Fork, UT
  • NPI 1073187258
  NPD
• Ihc Health Services Inc

  • Multi-Specialty Clinic/Center
  • Orem, UT
  • NPI 1588601124
  NPD (past)
• Valley Obstetrics and Gynecology

  • Advanced Practice Midwife
  • Provo, UT
  • NPI 1740559996
  NPD (past)

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

{
    "created_epoch": "1621382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1427622794",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 27128",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841270128",
            "telephone_number": "801-507-7070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5121 S COTTONWOOD ST STE 170",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841075701",
            "telephone_number": "801-507-7070",
            "fax_number": "801-507-7089"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "527 W 400 N Ste 4",
            "address_purpose": "LOCATION",
            "city": "Orem",
            "state": "UT",
            "postal_code": "840571951",
            "country_code": "US",
            "telephone_number": "801-404-5588",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "ERIN",
        "middle_name": "K",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-19",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "UT",
            "license": "7429931-4402",
            "primary": true
        },
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "UT",
            "license": "PENDING",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Darby Williams
• Dorothy L. Williams, MD
• Douglas Edward Williams, LCSW
• Easton Williams
• Elliot Ogilvie Williams, DVM
• Gabrielle Christina Williams
• Heidi Ann Williams, CSWI
• Heidi Marie Williams
• Howard James Williams Jr., MD
• Jacqueline Williams

• Advanced Practice Midwife in Salt Lake City, UT
• Providers in Salt Lake City, UT by specialty
• Advanced Practice Midwife in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.
• 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.