Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARC S USATIN MD
NPI 1013271162
Pediatrics in Walnut Creek, CA

Q: What is Marc Usatin's NPI number?

The NPI number for Marc Usatin is 1013271162. It was assigned to this individual provider in the NPPES registry on July 3, 2012.

Q: What is Marc Usatin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Marc Usatin was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 03, 2012

440 BRIDGE RD, WALNUT CREEK, CA 94595(925) 209-0100 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Marc S Usatin Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARC S USATIN MD (NPI 1013271162) is an individual pediatrics provider in Walnut Creek, California, licensed in California (G32932) and active in the NPI registry since July 2012.

NPPES Registry Identity

NPI1013271162

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. MARC S USATINCredential: MD

Location Address440 BRIDGE RDWalnut Creek, CA 94595-1325

Mailing Address440 Bridge RdWalnut Creek, CA 94595-1325 · (925) 209-0100

Phone(925) 209-0100

Sole ProprietorYes

Enumeration DateJuly 3, 2012

Last NPPES UpdateJuly 12, 2026

✔ NPI 1013271162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · G32932

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

440 BRIDGE RD, Walnut Creek, CA 94595

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marc Usatin's NPI number?

The NPI number for Marc Usatin is 1013271162. It was assigned to this individual provider in the NPPES registry on July 3, 2012.

Where is Marc Usatin located?

Marc Usatin practices at 440 Bridge Rd, Walnut Creek, CA 94595. The listed phone number is (925) 209-0100.

What is Marc Usatin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Marc Usatin was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.