Carl Simpson, M.D.
NPI 1720290711 · General Practice Physician · San Antonio, TX
Carl Simpson, M.D. is a General Practice Physician provider in San Antonio, TX (NPI 1720290711).
Provider details
- NPI number
- 1720290711
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- H5361 (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
19 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
- 2007-05-04
- Last updated
- 2016-07-22
Frequently asked questions
- What is Carl Simpson's NPI number?
- Carl Simpson's National Provider Identifier (NPI) is 1720290711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Simpson's specialty?
- Carl Simpson is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Simpson located?
- Carl Simpson's practice location on file with NPPES is 4800 Fredericksburg Rd, San Antonio, TX 78229-3628.
- What is Carl Simpson's phone number?
- The practice phone number listed in the NPPES registry for Carl Simpson is (210) 468-0800.
- Is Carl Simpson's NPI active?
- Yes — Carl Simpson's NPI (1720290711) is active in the NPPES registry as of the last update on 2016-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.