Registry data as of Aug 27, 2026

Jacqueline Chan, D.O./OSTEOPATH

Family Medicine Physician · Larkspur, CA

Jacqueline Chan, D.O./OSTEOPATH is a family medicine physician with a practice address in Larkspur, California, and NPI 1740267715, issued on Dec 29, 2005. Check the license (California 20A10041, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1740267715
Name
Jacqueline Chan
Credential
D.O./OSTEOPATH
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A10041 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 Larkspur Landing Circle #255, Larkspur, CA 94939
Phone
(415) 945-3213
Enumerated
Dec 29, 2005
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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Verify Jacqueline Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A10041
    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

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 →

97% fewer Medicare Part D claims than the average family medicine physician in 2024

108 Medicare Part D claims for 19 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Jacqueline Chan108
  2. Specialty average3,519

Most prescribed

  1. Diphenhydramine Hcl16 claims
  2. Progesterone15 claims
  3. Np Thyroid13 claims
  4. Hydrocortisone11 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: $17.08

1 payment, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacqueline Chan$17.08
  2. Specialty average$861.30

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

7 family medicine physician records list a Larkspur practice address

They are 7 of the 291 NPPES records with a Larkspur practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Jacqueline Chan, D.O./OSTEOPATH's NPI number?

Jacqueline Chan, D.O./OSTEOPATH's National Provider Identifier (NPI) is 1740267715, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jacqueline Chan, D.O./OSTEOPATH located?

The NPPES record lists a practice address at 1100 Larkspur Landing Circle #255, Larkspur, CA, 94939. Phone: (415) 945-3213. Providers update this record themselves, so call before visiting.

How can I verify Jacqueline Chan, D.O./OSTEOPATH's license?

NPPES lists California license number 20A10041, 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.

How much does Jacqueline Chan, D.O./OSTEOPATH prescribe under Medicare Part D?

In 2024, Jacqueline Chan, D.O./OSTEOPATH had 108 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.