What is Chet Sarnowski's NPI number?

Chet Sarnowski's National Provider Identifier (NPI) is 1841348802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Chet Sarnowski's specialty?

Chet Sarnowski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Chet Sarnowski located?

Chet Sarnowski's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.

What is Chet Sarnowski's phone number?

The practice phone number listed in the NPPES registry for Chet Sarnowski is (909) 427-3910.

Is Chet Sarnowski's NPI active?

Yes — Chet Sarnowski's NPI (1841348802) is active in the NPPES registry as of the last update on 2008-09-23.

IndividualActive

Chet Sarnowski, DO

NPI 1841348802 · Family Medicine Physician · Fontana, CA

Chet Sarnowski, DO is a Family Medicine Physician provider in Fontana, CA (NPI 1841348802).

Provider details

NPI number: 1841348802
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Male
Sole proprietor: No
License: 20A7598 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense 20A7598 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 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

9961 Sierra Ave

Fontana, CA 92335-6720

Phone: (909) 427-3910

Street-level locationGet directions

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Mailing address