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

NPI Status: Active since December 14, 2006

Contact Information

1011 S EAST ST
MOUNT VERNON, MO
ZIP 65712
Phone: (417) 466-7191
Fax: (417) 466-3876

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
Authorized Official
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Clinic/Center
Rural Health
Accepts Insurance

About CHERYL G WILLIAMS DO PC

This page provides the complete NPI Profile along with additional information for Cheryl G Williams Do Pc, a primary care provider established in Mount Vernon, Missouri operating as a Clinic/center, focusing in rural health . The healthcare provider is registered in the NPI registry with number 1649332156 assigned on December 2006. The practitioner's primary taxonomy code is 261QR1300X with license number 113916 (MO). The provider is registered as an organization and their NPI record was last updated January 2026. The provider's . The authorized official of this NPI record is Mr. Robert Williams (Office Manager)

NPI: 1649332156
Provider Legal Name: CHERYL G WILLIAMS DO PC
Other Organization Name
Other Name Type: (6)
Entity Type: Organization
Location Address: 1011 S EAST ST MOUNT VERNON, MO 65712
Location Phone: (417) 466-7191
Location Fax: (417) 466-3876
Mailing Address: 1011 S EAST ST MOUNT VERNON, MO 65712
Mailing Phone: (417) 466-7191
Mailing Fax: (417) 466-3876
Is Sole Proprietor?: No
Is Organization Subpart?: No
Enumeration Date: 12-14-2006
Last Update Date: 01-06-2026
Code Navigator

A primary care provider (PCP) like Cheryl G Williams Do Pc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Clinic/Center Rural Health
Taxonomy Code: 261QR1300X
Type: Ambulatory Health Care Facilities
License No.: 113916
License State: MO

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	261Q00000X	Ambulatory Health Care Facilities	Clinic/Center

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Ambetter from Arkansas Health & Wellness

Choice Bronze HSA (QualChoice) - POS
Complete Gold - PPO
Complete Gold + Vision + Adult Dental - PPO
Connected Silver - PPO
Connected Silver (QualChoice) - POS
Connected Silver (QualChoice) + Vision + Adult Dental - POS
Connected Silver (QualChoiceLife) - PPO
Connected Silver (QualChoiceLife) + Vision + Adult Dental - PPO
Connected Silver + Vision + Adult Dental - PPO
Elite Bronze - PPO
Elite Bronze + Vision + Adult Dental - PPO
Elite Gold (QualChoice) - POS
Elite Gold (QualChoice) + Vision + Adult Dental - POS
Elite Gold (QualChoiceLife) - PPO
Elite Gold (QualChoiceLife) + Vision + Adult Dental - PPO
Everyday Bronze - PPO
Everyday Bronze + Vision + Adult Dental - PPO
Standard Expanded Bronze - PPO
Standard Expanded Bronze (QualChoice) - POS
Standard Expanded Bronze + Vision + Adult Dental - PPO

Ambetter from Home State Health

Complete Gold - EPO
Complete Gold + Vision + Adult Dental - EPO
Complete Silver - EPO
Complete Silver + Vision + Adult Dental - EPO
Elite Bronze - EPO
Elite Bronze + Vision + Adult Dental - EPO
Everyday Bronze - EPO
Everyday Bronze + Vision + Adult Dental - EPO
Everyday Gold - EPO
Everyday Gold + Vision + Adult Dental - EPO
Standard Expanded Bronze - EPO
Standard Expanded Bronze + Vision + Adult Dental - EPO
Standard Gold - EPO
Standard Gold + Vision + Adult Dental - EPO
Standard Silver - EPO
Standard Silver + Vision + Adult Dental - EPO

Ambetter from Sunflower Health Plan

Elite Bronze - EPO
Elite Bronze + Vision + Adult Dental - EPO
Elite Gold - EPO
Elite Gold + Vision + Adult Dental - EPO
Everyday Bronze - EPO
Everyday Bronze + Vision + Adult Dental - EPO
Everyday Gold - EPO
Everyday Gold + Vision + Adult Dental - EPO
Focused Silver - EPO
Focused Silver + Vision + Adult Dental - EPO
Standard Expanded Bronze - EPO
Standard Expanded Bronze + Vision + Adult Dental - EPO
Standard Gold - EPO
Standard Gold + Vision + Adult Dental - EPO
Standard Silver - EPO
Standard Silver + Vision + Adult Dental - EPO

Ambetter Health

Choice Bronze HSA - EPO
Choice Bronze HSA + Vision + Adult Dental - EPO
Clear Gold - EPO
Clear Gold + Vision + Adult Dental - EPO
Complete Gold - HMO
Complete Gold + Vision + Adult Dental - HMO
Elite Bronze - EPO
Elite Bronze - HMO
Elite Bronze + Vision + Adult Dental - EPO
Elite Bronze + Vision + Adult Dental - HMO
Elite Gold - EPO
Elite Gold + Vision + Adult Dental - EPO
Everyday Bronze - HMO
Everyday Bronze + Vision + Adult Dental - HMO
Everyday Gold - HMO
Everyday Gold + Vision + Adult Dental - HMO
Focused Silver - EPO
Focused Silver - HMO
Focused Silver + Vision + Adult Dental - EPO
Focused Silver + Vision + Adult Dental - HMO

Ambetter Health of Delaware

Clear Gold - EPO
Clear Gold + Vision + Adult Dental - EPO
Complete Gold - EPO
Complete Gold + Vision + Adult Dental - EPO
Elite Silver - EPO
Elite Silver + Vision + Adult Dental - EPO
Everyday Bronze - EPO
Everyday Bronze + Vision + Adult Dental - EPO
Focused Silver - EPO
Focused Silver + Vision + Adult Dental - EPO
Principal Bronze HSA - EPO
Principal Bronze HSA + Vision + Adult Dental - EPO
Standard Expanded Bronze - EPO
Standard Expanded Bronze + Vision + Adult Dental - EPO
Standard Gold - EPO
Standard Gold + Vision + Adult Dental - EPO
Standard Silver - EPO

Ambetter of Oklahoma

Elite Bronze - PPO
Elite Bronze + Vision + Adult Dental - PPO
Elite Gold - PPO
Elite Gold + Vision + Adult Dental - PPO
Enhanced Asthma/COPD Care Silver with $0 Drug Options - PPO
Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
Enhanced Diabetes Care Silver with $0 Drug Options - PPO
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
Everyday Bronze - PPO
Everyday Bronze + Vision + Adult Dental - PPO
Everyday Gold - PPO
Everyday Gold + Vision + Adult Dental - PPO
Focused Silver - PPO
Focused Silver + Vision + Adult Dental - PPO
Standard Expanded Bronze - PPO
Standard Expanded Bronze + Vision + Adult Dental - PPO
Standard Gold - PPO
Standard Gold + Vision + Adult Dental - PPO
Standard Silver - PPO
Standard Silver + Vision + Adult Dental - PPO

Ambetter of Tennessee

Elite Bronze - EPO
Elite Bronze + Vision + Adult Dental - EPO
Elite Gold - EPO
Elite Gold + Vision + Adult Dental - EPO
Enhanced Diabetes Care Silver with $0 Drug Options - EPO
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
Everyday Bronze - EPO
Everyday Bronze + Vision + Adult Dental - EPO
Everyday Gold - EPO
Everyday Gold + Vision + Adult Dental - EPO
Standard Expanded Bronze - EPO
Standard Expanded Bronze + Vision + Adult Dental - EPO
Standard Gold - EPO
Standard Gold + Vision + Adult Dental - EPO
Standard Silver - EPO
Standard Silver + Vision + Adult Dental - EPO

Medica

Balance by Medica Bronze $0 Copay PCP Visits - EPO
Balance by Medica Bronze $0 Copay PCP Visits - PPO
Balance by Medica Bronze Premier - EPO
Balance by Medica Bronze Premier - PPO
Balance by Medica Expanded Bronze Standard - EPO
Balance by Medica Expanded Bronze Standard - PPO
Balance by Medica Gold $0 Copay PCP Visits - EPO
Balance by Medica Gold $0 Copay PCP Visits - PPO
Balance by Medica Gold Share - EPO
Balance by Medica Gold Share - PPO
Balance by Medica Gold Standard - EPO
Balance by Medica Gold Standard - PPO
Balance by Medica Silver $0 Copay PCP Visits - EPO
Balance by Medica Silver $0 Copay PCP Visits - PPO
Balance by Medica Silver Share - EPO
Balance by Medica Silver Share - PPO
Balance by Medica Silver Standard - EPO
Balance by Medica Silver Standard - PPO

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name: MR. ROBERT WILLIAMS
Authorized Official Title: OFFICE MANAGER
Authorized Official Phone: (417) 466-7191

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier	Type / Code	Identifier State	Identifier Issuer
590665907	MEDICAID (05)	MO

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1649332156, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 3 → 6 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 8 + 9 + 6 + 3 + 4 + 1 + 1 + 0 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1649332156.