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John Testerman, M.D.
NPI 1629003868 · Family Medicine Physician · Loma Linda, CA
John Testerman, M.D. is a Family Medicine Physician provider in Loma Linda, CA (NPI 1629003868).
Provider details
- NPI number
- 1629003868
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G72014 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
25455 Barton Rd
Suite 204b
Loma Linda, CA 92354-3128
Phone: (909) 558-6600
Street-level locationGet directions
Mailing address
54701 File Number
Los Angeles, CA 90074-4701
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Testerman's NPI number?
- John Testerman's National Provider Identifier (NPI) is 1629003868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Testerman's specialty?
- John Testerman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Testerman located?
- John Testerman's practice location on file with NPPES is 25455 Barton Rd, Loma Linda, CA 92354-3128.
- What is John Testerman's phone number?
- The practice phone number listed in the NPPES registry for John Testerman is (909) 558-6600.
- Is John Testerman's NPI active?
- Yes — John Testerman's NPI (1629003868) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.