Grayson County Health Clinic
NPI 1891122198 · Primary Care Clinic/Center · Sherman, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grayson County Health Clinic is a Primary Care Clinic/Center organization in Sherman, TX (NPI 1891122198).
Provider details
- NPI number
- 1891122198
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Sonya Hernandez, Executive Director(903) 771-2846
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-10-01
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Grayson County Health Clinic's NPI number?
- Grayson County Health Clinic's National Provider Identifier (NPI) is 1891122198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grayson County Health Clinic?
- Grayson County Health Clinic is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Grayson County Health Clinic located?
- Grayson County Health Clinic's practice location on file with NPPES is 809 Gallagher Dr Ste D, Sherman, TX 75090-1754.
- What is Grayson County Health Clinic's phone number?
- The practice phone number listed in the NPPES registry for Grayson County Health Clinic is (903) 771-2846.
- Does Grayson County Health Clinic accept Medicare?
- Grayson County Health Clinic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grayson County Health Clinic?
- The authorized official listed on Grayson County Health Clinic's NPPES record is Sonya Hernandez, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grayson County Health Clinic's NPI active?
- Yes — Grayson County Health Clinic's NPI (1891122198) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.