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Clarence Porter, MD
NPI 1407853104 · Family Medicine Physician · San Antonio, TX
Clarence Porter, MD is a Family Medicine Physician provider in San Antonio, TX (NPI 1407853104).
Provider details
- NPI number
- 1407853104
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- F3292 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
14100 Nacogdoches Rd
Ste 116
San Antonio, TX 78247-1903
Phone: (210) 653-8989
Fax: (210) 590-4608
Street-level locationGet directions
Mailing address
14100 Nacogdoches Rd
San Antonio, TX 78247-1903
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2016-10-18
Frequently asked questions
- What is Clarence Porter's NPI number?
- Clarence Porter's National Provider Identifier (NPI) is 1407853104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Porter's specialty?
- Clarence Porter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clarence Porter located?
- Clarence Porter's practice location on file with NPPES is 14100 Nacogdoches Rd, San Antonio, TX 78247-1903.
- What is Clarence Porter's phone number?
- The practice phone number listed in the NPPES registry for Clarence Porter is (210) 653-8989.
- Is Clarence Porter's NPI active?
- Yes — Clarence Porter's NPI (1407853104) is active in the NPPES registry as of the last update on 2016-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.