Gregory Friedman, M.D.
NPI 1134274533 · Pediatric Hematology & Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Friedman, M.D. is a Pediatric Hematology & Oncology Physician provider in Houston, TX (NPI 1134274533).
Provider details
- NPI number
- 1134274533
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25542 (AL)
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
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)
- 1600 7th Ave SBirmingham, AL 35233-1711Phone: (205) 939-9285Fax: (205) 975-1941
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2023-07-05
- Certified
- 2023-07-05
Frequently asked questions
- What is Gregory Friedman's NPI number?
- Gregory Friedman's National Provider Identifier (NPI) is 1134274533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Friedman's specialty?
- Gregory Friedman is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Friedman located?
- Gregory Friedman's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Gregory Friedman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Friedman is (713) 792-6161.
- Does Gregory Friedman accept Medicare?
- Gregory Friedman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Friedman's NPI active?
- Yes — Gregory Friedman's NPI (1134274533) is active in the NPPES registry as of the last update on 2023-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.