Dennis Oliver, MD
NPI 1265439541 · Internal Medicine Physician · San Antonio, TX
Dennis Oliver, MD is a Internal Medicine Physician provider in San Antonio, TX (NPI 1265439541).
Provider details
- NPI number
- 1265439541
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H9697 (TX)
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
- 2005-07-01
- Last updated
- 2011-12-10
Frequently asked questions
- What is Dennis Oliver's NPI number?
- Dennis Oliver's National Provider Identifier (NPI) is 1265439541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Oliver's specialty?
- Dennis Oliver is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Oliver located?
- Dennis Oliver's practice location on file with NPPES is 9969 Fredericksburg Rd, San Antonio, TX 78240-4106.
- What is Dennis Oliver's phone number?
- The practice phone number listed in the NPPES registry for Dennis Oliver is (210) 690-2273.
- Is Dennis Oliver's NPI active?
- Yes — Dennis Oliver's NPI (1265439541) is active in the NPPES registry as of the last update on 2011-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.