James Heisler, MD
NPI 1538197157 · Geriatric Medicine (Internal Medicine) Physician · Houston, TX
James Heisler, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Houston, TX (NPI 1538197157).
Provider details
- NPI number
- 1538197157
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G6938 (TX)
Specialties & taxonomies
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
- 2006-06-30
- Last updated
- 2025-09-11
Frequently asked questions
- What is James Heisler's NPI number?
- James Heisler's National Provider Identifier (NPI) is 1538197157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Heisler's specialty?
- James Heisler is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is James Heisler located?
- James Heisler's practice location on file with NPPES is 7737 Southwest Fwy, Houston, TX 77074-1807.
- What is James Heisler's phone number?
- The practice phone number listed in the NPPES registry for James Heisler is (713) 456-4500.
- Is James Heisler's NPI active?
- Yes — James Heisler's NPI (1538197157) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.