James Penrose, DO
NPI 1831258458 · Internal Medicine Physician · Bakersfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Penrose, DO is a Internal Medicine Physician provider in Bakersfield, CA (NPI 1831258458).
Provider details
- NPI number
- 1831258458
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A5609 (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
- 2006-12-08
- Last updated
- 2021-11-30
Frequently asked questions
- What is James Penrose's NPI number?
- James Penrose's National Provider Identifier (NPI) is 1831258458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Penrose's specialty?
- James Penrose is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Penrose located?
- James Penrose's practice location on file with NPPES is 3733 San Dimas St, Bakersfield, CA 93301-1407.
- What is James Penrose's phone number?
- The practice phone number listed in the NPPES registry for James Penrose is (800) 353-5400.
- Does James Penrose accept Medicare?
- James Penrose is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Penrose's NPI active?
- Yes — James Penrose's NPI (1831258458) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.