NPPES file of Aug 9, 2026

Clara Chan

Obstetrics & Gynecology Physician · Los Angeles, CA

Clara Chan is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1609286012, issued on May 7, 2014. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609286012
Name
Clara Chan
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4301114767 MI
Self-reported in NPPES; status is on the state search
Practice location
757 Westwood Plz, Los Angeles, CA 90095
Phone
(310) 825-9945
Enumerated
May 7, 2014
Record last updated
Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
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 757 Westwood Plz

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

  1. Gihad AbdelhadyStudent in an Organized Health Care Education/Training Program1528760956
  2. Mohamed Abdelrahim, MDStudent in an Organized Health Care Education/Training Program1699577684
  3. Ridwa AbdiStudent in an Organized Health Care Education/Training Program1093195208
  4. Fatemeh Abdollahi Mofakham, MDDiagnostic Radiology Physician1659652915
  5. Sebiha AbdullahiStudent in an Organized Health Care Education/Training Program1457938235
  6. Tatiana AbdulnourStudent in an Organized Health Care Education/Training Program1700724648

Verify Clara Chan 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

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10% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

148 Medicare Part D claims for 62 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Clara Chan148
  2. Specialty average165

Most prescribed

  1. Estradiol58 claims
  2. Fluconazole14 claims
  3. Medroxyprogesterone Acetate11 claims
  4. Progesterone11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $5,492.78

18 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Clara Chan$5,492.78
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Clara Chan among 5,088 obstetrics & gynecology physician records in California

Clara Chan is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Gayane Ambartsumyan, MDLos Angeles, CA 900951174556849
  2. Tamara Grisales, M.D.Los Angeles, CA 900951063611762
  3. Andy Huang, M.D.Los Angeles, CA 900951134244924
  4. Michael Johnson, MDLos Angeles, CA 900951619048659
  5. Cheri Lowre, MDLos Angeles, CA 900951215967948
  6. Michael Lu, MDLos Angeles, CA 900951316972219
  7. Lauren Nathan, MDLos Angeles, CA 900951235164039
  8. Lisa Nicholas, MDLos Angeles, CA 900951750380648

Common questions

What is Clara Chan's NPI number?

Clara Chan's National Provider Identifier (NPI) is 1609286012, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Clara Chan located?

The NPPES record lists a practice address at 757 Westwood Plz, Los Angeles, CA, 90095. Phone: (310) 825-9945. Providers update this record themselves, so call before visiting.

How can I verify Clara Chan'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.

How much does Clara Chan prescribe under Medicare Part D?

In 2024, Clara Chan had 148 Medicare Part D claims for 62 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.