Gregory Yang, M.D.
NPI 1265496376 · Hematology & Oncology Physician · Yuma, AZ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Yang, M.D. is a Hematology & Oncology Physician provider in Yuma, AZ (NPI 1265496376).
Provider details
- NPI number
- 1265496376
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18483 (AZ)
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
- 2006-04-14
- Last updated
- 2011-12-06
Frequently asked questions
- What is Gregory Yang's NPI number?
- Gregory Yang's National Provider Identifier (NPI) is 1265496376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Yang's specialty?
- Gregory Yang is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Yang located?
- Gregory Yang's practice location on file with NPPES is 1320 W 24th St, Yuma, AZ 85364-6233.
- What is Gregory Yang's phone number?
- The practice phone number listed in the NPPES registry for Gregory Yang is (928) 317-2518.
- Does Gregory Yang accept Medicare?
- Gregory Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Yang's NPI active?
- Yes — Gregory Yang's NPI (1265496376) is active in the NPPES registry as of the last update on 2011-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.