NPPES file of Aug 9, 2026

Dyann M. Chao, M.D.

Pediatrics Physician · San Francisco, CA

Dyann M. Chao, M.D. is a pediatrics physician with a practice address in San Francisco, California, and NPI 1235422155, issued on May 25, 2011. Check the license (California A82469, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235422155
Name
Dyann M. Chao
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
A82469 CA
25455 LA
Self-reported in NPPES; status is on the state search
Practice location
3838 California St RM 510, San Francisco, CA 94118
Phone
(415) 600-2403
Enumerated
May 25, 2011
Record last updated
Mar 7, 2023
Fax
(415) 379-1294
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 3838 California St RM 510

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

  1. Jennifer Do, MDPediatrics Physician1992853766

Verify Dyann M. Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A82469
    Check 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

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Dyann M. Chao among 9,272 pediatrics physician records in California

Dyann M. Chao, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 31% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2023 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

514 pediatrics physician records list a practice address in San Francisco

They are 514 of the 38,143 NPPES records with a practice address in San Francisco, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Krista Amendola, MDSan Francisco, CA 941181215973276
  2. Lalaine Dimagiba, M.D.San Francisco, CA 941181225055916
  3. Mahin Golabi, M.D.San Francisco, CA 941181992723431
  4. Tatiana Goldstein, M.D.San Francisco, CA 941181003828443
  5. Raghunandana Kasetty, MDSan Francisco, CA 941181669481198
  6. Stephen Kaufman, M.D.San Francisco, CA 941181083643316
  7. Molly Linehan, M.D.San Francisco, CA 941181497773212
  8. Margaret Miller, MDSan Francisco, CA 941181417977133

Common questions

What is Dyann M. Chao, M.D.'s NPI number?

Dyann M. Chao, M.D.'s National Provider Identifier (NPI) is 1235422155, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Dyann M. Chao, M.D. located?

The NPPES record lists a practice address at 3838 California St RM 510, San Francisco, CA, 94118. Phone: (415) 600-2403. Providers update this record themselves, so call before visiting.

How can I verify Dyann M. Chao, M.D.'s license?

NPPES lists California license number A82469, as entered by the provider. 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.