OrganizationActive
Dr. Shirley Gay Merritt
NPI 1245411198 · Specialist · San Antonio, TX
Dr. Shirley Gay Merritt is a Specialist organization in San Antonio, TX (NPI 1245411198).
Provider details
- NPI number
- 1245411198
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Tammy Fountain, Office Manager(210) 614-8400
- License
- H4553 (TX)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
4242 Medical Dr
San Antonio, TX 78229-5640
Phone: (210) 614-8400
Fax: (210) 614-8165
Street-level locationGet directions
Mailing address
4242 Medical Dr
San Antonio, TX 78229-5640
Registry dates
- Enumerated
- 2007-11-20
- Last updated
- 2007-11-20
Frequently asked questions
- What is Dr. Shirley Gay Merritt's NPI number?
- Dr. Shirley Gay Merritt's National Provider Identifier (NPI) is 1245411198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Shirley Gay Merritt?
- Dr. Shirley Gay Merritt is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Dr. Shirley Gay Merritt located?
- Dr. Shirley Gay Merritt's practice location on file with NPPES is 4242 Medical Dr, San Antonio, TX 78229-5640.
- What is Dr. Shirley Gay Merritt's phone number?
- The practice phone number listed in the NPPES registry for Dr. Shirley Gay Merritt is (210) 614-8400.
- Who is the authorized official for Dr. Shirley Gay Merritt?
- The authorized official listed on Dr. Shirley Gay Merritt's NPPES record is Tammy Fountain, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Shirley Gay Merritt's NPI active?
- Yes — Dr. Shirley Gay Merritt's NPI (1245411198) is active in the NPPES registry as of the last update on 2007-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.