Gregory Chase, PA
NPI 1174740658 · Physician Assistant · Fontana, CA
Gregory Chase, PA is a Physician Assistant provider in Fontana, CA (NPI 1174740658).
Provider details
- NPI number
- 1174740658
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA14776 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2007-04-19
- Last updated
- 2008-12-09
Frequently asked questions
- What is Gregory Chase's NPI number?
- Gregory Chase's National Provider Identifier (NPI) is 1174740658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Chase's specialty?
- Gregory Chase is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Chase located?
- Gregory Chase's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Gregory Chase's phone number?
- The practice phone number listed in the NPPES registry for Gregory Chase is (909) 427-3910.
- Is Gregory Chase's NPI active?
- Yes — Gregory Chase's NPI (1174740658) is active in the NPPES registry as of the last update on 2008-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.