Mark Wallace, M.D
NPI 1548250103 · Endocrinology, Diabetes & Metabolism Physician · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wallace, M.D is a Endocrinology, Diabetes & Metabolism Physician provider in San Antonio, TX (NPI 1548250103).
Provider details
- NPI number
- 1548250103
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- License
- 01053948A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Wallace's NPI number?
- Mark Wallace's National Provider Identifier (NPI) is 1548250103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wallace's specialty?
- Mark Wallace is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wallace located?
- Mark Wallace's practice location on file with NPPES is 3851 Roger Brooke Dr, San Antonio, TX 78234.
- What is Mark Wallace's phone number?
- The practice phone number listed in the NPPES registry for Mark Wallace is (210) 916-0775.
- Does Mark Wallace accept Medicare?
- Mark Wallace is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wallace's NPI active?
- Yes — Mark Wallace's NPI (1548250103) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.