What is Cesar Alonzo's NPI number?

Cesar Alonzo's National Provider Identifier (NPI) is 1265503163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cesar Alonzo's specialty?

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

Where is Cesar Alonzo located?

Cesar Alonzo's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.

What is Cesar Alonzo's phone number?

The practice phone number listed in the NPPES registry for Cesar Alonzo is (626) 851-1011.

Is Cesar Alonzo's NPI active?

Yes — Cesar Alonzo's NPI (1265503163) is active in the NPPES registry as of the last update on 2008-09-23.

IndividualActive

Cesar Alonzo, MD

NPI 1265503163 · Family Medicine Physician · Baldwin Park, CA

Cesar Alonzo, MD is a Family Medicine Physician provider in Baldwin Park, CA (NPI 1265503163).

Provider details

NPI number: 1265503163
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: A41244 (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense A41244 (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

1011 Baldwin Park Blvd

Baldwin Park, CA 91706-5806

Phone: (626) 851-1011

Street-level locationGet directions

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Mailing address