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

DR. LOUIS CHESLER M.D.
NPI 1124060504
Pediatrics in San Francisco, CA

Q: What is Louis Chesler's NPI number?

The NPI number for Louis Chesler is 1124060504. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Louis Chesler'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 Louis Chesler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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 June 12, 2006

400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-3831(415) 502-4372 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Louis Chesler M.d. NPPES

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

DR. LOUIS CHESLER M.D. (NPI 1124060504) is an individual pediatrics provider in San Francisco, California, licensed in California (A68081) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1124060504

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. LOUIS CHESLERCredential: M.D.

Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202

Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150

Phone(415) 476-3831

Fax(415) 502-4372

Sole ProprietorNo

Enumeration DateJune 12, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1124060504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A68081

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.

400 PARNASSUS AVE, San Francisco, CA 94143

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Other Identifiers 1

Medicaid00A680810CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH

Ophthalmology

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2560

DR. MARISSA A BOECK M.D.

Surgery (Surgical Critical Care)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2161

DR. JACQUELINE EVA WEINSTEIN M.D.

Otolaryngology (Pediatric Otolaryngology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1000

TIFFANY PONG ROSS PA-C

Physician Assistant

400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

SHINTARO TATEBE MSPT

Physical Therapist

400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8574

DR. YVONNE W WU MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2813

DR. DAVID S. BRADFORD MD

Orthopaedic Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

DR. SANG-MO KANG MD

Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1551

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 Louis Chesler's NPI number?

The NPI number for Louis Chesler is 1124060504. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Louis Chesler located?

Louis Chesler practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-3831.

What is Louis Chesler'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 Louis Chesler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.