John D'Spain, PA
NPI 1346550381 · Physician Assistant · Fontana, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John D'Spain, PA is a Physician Assistant provider in Fontana, CA (NPI 1346550381).
Provider details
- NPI number
- 1346550381
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA21241 (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
15 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
- 2010-10-08
- Last updated
- 2021-10-21
- Certified
- 2021-10-21
Frequently asked questions
- What is John D'Spain's NPI number?
- John D'Spain's National Provider Identifier (NPI) is 1346550381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John D'Spain's specialty?
- John D'Spain is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John D'Spain located?
- John D'Spain's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is John D'Spain's phone number?
- The practice phone number listed in the NPPES registry for John D'Spain is (866) 454-3485.
- Does John D'Spain accept Medicare?
- John D'Spain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John D'Spain's NPI active?
- Yes — John D'Spain's NPI (1346550381) is active in the NPPES registry as of the last update on 2021-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.