Registry data as of Aug 27, 2026

Louis Chesler, M.D.

Pediatrics Physician · San Francisco, CA

Louis Chesler, M.D. is a pediatrics physician with a practice address in San Francisco, California, and NPI 1124060504, issued on Jun 12, 2006. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1124060504
Name
Louis Chesler
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
Practice location
400 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 476-3831
Enumerated
Jun 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 400 Parnassus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Abele, DPTPhysical Therapist1851648133
  2. Ian Adatia, MB CHBPediatrics Physician1427085299
  3. Daniel Adelman, M.D.Allergy & Immunology Physician1922041821
  4. Joshua Adler, MDInternal Medicine Physician1194781351
  5. Justin Ahn, M.D.Urology Physician1063755148
  6. Weiyun Ai, MDMedical Oncology Physician1649346842

Verify Louis Chesler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

590 pediatrics physician records list a San Francisco practice address

They are 590 of the 38,143 NPPES records with a San Francisco practice address, and 10,094 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Lauren Abbas, MDLos Angeles, CA1982163796
  7. Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. David Abbott, MDSanta Barbara, CA1144233370
  10. Lara Abbott, M.D.San Fernando, CA1053312868

Common questions

What is Louis Chesler, M.D.'s NPI number?

Louis Chesler, M.D.'s National Provider Identifier (NPI) is 1124060504, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louis Chesler, M.D. located?

The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-3831. Providers update this record themselves, so call before visiting.

How can I verify Louis Chesler, M.D.'s license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.