NPPES file of Aug 9, 2026

Jeffrey Han-Nien Yang, M.D.

Developmental - Behavioral Pediatrics Physician · Los Angeles, CA

Jeffrey Han-Nien Yang, M.D. is a developmental - behavioral pediatrics physician with a practice address in Los Angeles, California, and NPI 1942403654, issued on Jun 8, 2007. Check the license (California A125815, 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
1942403654
Name
Jeffrey Han-Nien Yang
Credential
M.D.
Primary taxonomy
Developmental - Behavioral Pediatrics Physician 2080P0006X
License numbers
A125815 CA
242593 MA
4301090194 MI
Self-reported in NPPES; status is on the state search
Practice location
4650 W Sunset Blvd, Los Angeles, CA 90027
Phone
(323) 361-2350
Enumerated
Jun 8, 2007
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(323) 361-4429
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 4650 W Sunset Blvd

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

  1. Hisham Abdel-Azim, MDPediatric Hematology & Oncology Physician1114018694
  2. Ashraf Abou-Zamzam, MDPediatric Critical Care Medicine Physician1457442931
  3. Karineh Aboulian, MDPediatrics Physician1275774325
  4. Ahmed AbuhamadStudent in an Organized Health Care Education/Training Program1386478915
  5. Joanna Aceto, D.D.S.Pediatric Dentistry1033522578
  6. Etai Adam, M.D.Pediatrics Physician1578811998

Verify Jeffrey Han-Nien Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A125815
    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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Developmental - Behavioral Pediatrics Physician providers in California

There are 160 developmental - behavioral pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other developmental - behavioral pediatrics physician records in California

  1. Roger Akins, D.O.Sacramento, CA1881666055
  2. Roxanne Almas, M.D.San Jose, CA1538320916
  3. Kathleen Angkustsiri, MDSacramento, CA1851311344
  4. David Ansel, MDPalo Alto, CA1376547612
  5. Dejeunee Ashby, MDLos Angeles, CA1326561630
  6. Melissa AultHuntington Beach, CA1629795075
  7. Leonard Baker, M.D.La Canada, CA1255453627
  8. Yair Bannett, MDPalo Alto, CA1558848531
  9. Elizabeth Barrington, MDPalo Alto, CA1992224836
  10. Anshu Batra, M.D.Los Angeles, CA1356560767

Common questions

What is Jeffrey Han-Nien Yang, M.D.'s NPI number?

Jeffrey Han-Nien Yang, M.D.'s National Provider Identifier (NPI) is 1942403654, issued on Jun 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Han-Nien Yang, M.D. located?

The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 361-2350. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Han-Nien Yang, M.D.'s license?

NPPES lists California license number A125815, 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.