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CHERYL G WILLIAMS DO PC
NPI 1649332156
Clinic/Center - Rural Health in Mount Vernon, MO

Active since December 14, 2006
1011 S EAST ST, MOUNT VERNON, MO 65712(417) 466-7191(417) 466-3876 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Cheryl G Williams Do Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHERYL G WILLIAMS DO PC (NPI 1649332156), doing business as Mt.vernon Clinic, is a healthcare organization registered as a rural health in Mount Vernon, Missouri and active in the NPI registry since December 2006. The organization lists Robert Williams, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1649332156
Entity TypeOrganization
Primary Taxonomy261QR1300X
Legal Business NameCHERYL G WILLIAMS DO PC
Location Address1011 S EAST STMount Vernon, MO 65712-1331
Mailing Address1011 S East StMount Vernon, MO 65712-1399 · (417) 466-7191 · Fax (417) 466-3876
Phone(417) 466-7191
Fax(417) 466-3876
Organization SubpartNo
Authorized OfficialRobert WilliamsOffice Manager · (417) 466-7191
Enumeration DateDecember 14, 2006
Last NPPES UpdateJanuary 6, 2026
NPPES CertifiedJanuary 6, 2026
✔ NPI 1649332156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Rural HealthAmbulatory Health Care Facilities
Taxonomy Code261QR1300X
License✔ Licensed in MO · 113916
Also ListedClinic/CenterTaxonomy 261Q00000X
1011 S EAST ST, Mount Vernon, MO 65712
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Other Names 1

Doing Business AsMt.vernon Clinic

Other Identifiers 1

Medicaid590665907MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cheryl G Williams Do Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Cheryl G Williams Do PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Cheryl Williams, D.O.
Family Practice
NPI 1730187204
1011 S EAST ST
Mount Vernon, MO 65712
(417) 466-7191
✔ PECOS✔ Accepts MedicareSame address
Stephanie Justus, FNP-C
Nurse Practitioner
NPI 1629452107
3705 S JEFFERSON AVE
Springfield, MO 65807
(870) 856-1202
✔ PECOS29 mi
Amy Moenning, NP
Nurse Practitioner
NPI 1174203939
3705 S JEFFERSON AVE
Springfield, MO 65807
(501) 393-2406
✔ PECOS✔ Accepts Medicare29 mi
Kendra Bowles
Nurse Practitioner
NPI 1598536575
1000 E PRIMROSE ST STE 300
Springfield, MO 65807
(417) 269-3700
✔ PECOS29 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Cheryl G Williams Do PC's NPI number?

The NPI number for Cheryl G Williams Do PC is 1649332156. It was assigned to this organization in the NPPES registry on December 14, 2006. The provider is doing business as Mt.Vernon Clinic.

Where is Cheryl G Williams Do PC located?

Cheryl G Williams Do PC is located at 1011 S East St, Mount Vernon, MO 65712. The listed phone number is (417) 466-7191.

What is Cheryl G Williams Do PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.

Is Cheryl G Williams Do PC enrolled in Medicare?

Yes. Cheryl G Williams Do PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cheryl G Williams Do PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Cheryl G Williams Do PC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3) and Family Practice (1). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cheryl G Williams Do PC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Cheryl G Williams Do PC 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 Cheryl G Williams Do PC was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.