ERIN K WILLIAMS CNM
NPI 1427622794
Advanced Practice Midwife in Salt Lake City, UT
About Erin K Williams Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN K WILLIAMS CNM (NPI 1427622794) is an individual advanced practice midwife in Salt Lake City, Utah, licensed in Utah (7429931-4402) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orem, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Erin K Williams Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Erin Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Murray, UT 84107
- Reassigned Medicare billing, Utah enrollment
- 3,691 clinicians in this Medicare group
Salt Lake City, UT 84124
- Reassigned Medicare billing, Utah enrollment
- Medicare enrollment name: Valley Obstetrics And Gynecology, PC
- 105 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MURRAY, UT 84107
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Erin Williams's NPI number?
The NPI number for Erin Williams is 1427622794. It was assigned to this individual provider in the NPPES registry on May 19, 2021.
Where is Erin Williams located?
Erin Williams practices at 5121 S Cottonwood St Ste 170, Salt Lake City, UT 84107. The listed phone number is (801) 507-7070.
What is Erin Williams's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Erin Williams enrolled in Medicare?
Yes. Erin Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Erin Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Williams reassigns Medicare benefits to 2 organizations: Ihc Health Services Inc (Murray, UT) and Valley Obstetrics And Gynecology, P.C. (Salt Lake City, UT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erin Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Williams accept?
Health plans from Select Health list Erin Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Erin Williams was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Erin K Williams, CNM · NPI 1427622794
Advanced Practice Midwife physician in Salt Lake City, Utah. Individual provider, active in the CMS NPPES registry since May 19, 2021.
## Identity
- **NPI:** 1427622794 (Entity type: Individual)
- **Enumerated:** May 19, 2021
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 7429931-4402 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 5121 S COTTONWOOD ST STE 170, Salt Lake City, UT 84107-5701
- **Phone:** (801) 507-7070 · **Fax:** (801) 507-7089
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ihc Health Services Inc (NPI 1235664251, Murray, UT); Valley Obstetrics And Gynecology, P.C. (NPI 1962923433, Salt Lake City, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1427622794) · Data from the CMS NPPES public registry.