Theresa Stewart, M.D
NPI 1003859901 · Maternal & Fetal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Stewart, M.D is a Maternal & Fetal Medicine Physician provider in San Antonio, TX (NPI 1003859901).
Provider details
- NPI number
- 1003859901
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- L7894 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
4 documented practice locations
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
Additional practice locations (3)
- 1100 Wilford Hall Loop Bldg 4554San Antonio, TX 78236-5638Phone: (210) 671-5433
- 5414 Fredericksburg RdSuite 200San Antonio, TX 78229-3641Phone: (210) 614-2209Fax: (210) 641-5714
- 620 S Fleishel AveTyler, TX 75701-2041Phone: (903) 606-4900
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2022-06-23
- Certified
- 2022-06-23
Frequently asked questions
- What is Theresa Stewart's NPI number?
- Theresa Stewart's National Provider Identifier (NPI) is 1003859901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Stewart's specialty?
- Theresa Stewart is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theresa Stewart located?
- Theresa Stewart's practice location on file with NPPES is 8300 Floyd Curl Dr, San Antonio, TX 78229-3931.
- What is Theresa Stewart's phone number?
- The practice phone number listed in the NPPES registry for Theresa Stewart is (210) 450-9500.
- Does Theresa Stewart accept Medicare?
- Theresa Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Stewart's NPI active?
- Yes — Theresa Stewart's NPI (1003859901) is active in the NPPES registry as of the last update on 2022-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.