Gary Weiss, PH.D, MD
NPI 1215973961 · Hematology & Oncology Physician · Webster, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Weiss, PH.D, MD is a Hematology & Oncology Physician provider in Webster, TX (NPI 1215973961).
Provider details
- NPI number
- 1215973961
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- PH.D, MD
- Sex
- Male
- Sole proprietor
- No
- License
- F0075 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4801 Alberta AveEl Paso, TX 79905-2707Phone: (915) 215-5200Fax: (915) 215-8640
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Gary Weiss's NPI number?
- Gary Weiss's National Provider Identifier (NPI) is 1215973961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Weiss's specialty?
- Gary Weiss is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Weiss located?
- Gary Weiss's practice location on file with NPPES is 501 Medical Center Blvd, Webster, TX 77598-4219.
- What is Gary Weiss's phone number?
- The practice phone number listed in the NPPES registry for Gary Weiss is (281) 332-7505.
- Does Gary Weiss accept Medicare?
- Gary Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Weiss's NPI active?
- Yes — Gary Weiss's NPI (1215973961) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.