John Gunnell
NPI 1487765301 · Hematology & Oncology Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gunnell is a Hematology & Oncology Physician provider in Glendale, CA (NPI 1487765301).
Provider details
- NPI number
- 1487765301
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- G17573 (CA)
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
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
- 2006-08-31
- Last updated
- 2018-07-05
Frequently asked questions
- What is John Gunnell's NPI number?
- John Gunnell's National Provider Identifier (NPI) is 1487765301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gunnell's specialty?
- John Gunnell is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Gunnell located?
- John Gunnell's practice location on file with NPPES is 435 Arden Ave Ste 520, Glendale, CA 91203.
- What is John Gunnell's phone number?
- The practice phone number listed in the NPPES registry for John Gunnell is (818) 247-5440.
- Does John Gunnell accept Medicare?
- John Gunnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gunnell's NPI active?
- Yes — John Gunnell's NPI (1487765301) is active in the NPPES registry as of the last update on 2018-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.