Gary Erwin, M.D.
NPI 1528257383 · Medical Oncology Physician · Houston, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Erwin, M.D. is a Medical Oncology Physician provider in Houston, TX (NPI 1528257383).
Provider details
- NPI number
- 1528257383
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D7024 (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
18 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
- 2007-10-17
- Last updated
- 2010-08-31
Frequently asked questions
- What is Gary Erwin's NPI number?
- Gary Erwin's National Provider Identifier (NPI) is 1528257383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Erwin's specialty?
- Gary Erwin is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Erwin located?
- Gary Erwin's practice location on file with NPPES is 5206 Fm 1960 Rd W Ste 104, Houston, TX 77069-4405.
- What is Gary Erwin's phone number?
- The practice phone number listed in the NPPES registry for Gary Erwin is (281) 587-2316.
- Does Gary Erwin accept Medicare?
- Gary Erwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Erwin's NPI active?
- Yes — Gary Erwin's NPI (1528257383) is active in the NPPES registry as of the last update on 2010-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.