Jacqueline Susanna Chan, D.O./OSTEOPATH
Family Medicine Physician · Larkspur, CA
Jacqueline Susanna 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.
- Name
- Jacqueline Susanna 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
- Record last updated
- May 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (415) 329-5080
- Medicare enrollment
- Enrolled (PECOS I20200521002260); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Jacqueline Susanna Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Diphenhydramine Hcl16 claims
- Progesterone15 claims
- Np Thyroid13 claims
- 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: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jacqueline Susanna Chan among 17,133 family medicine physician records in California
Jacqueline Susanna Chan, D.O./OSTEOPATH is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2005 among the 10,652 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Larkspur
They are 6 of the 291 NPPES records with a practice address in Larkspur, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Larkspur → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Injil Abubakar, MDLarkspur, CA 949391013095041
- Dylan Bellavance, DOLarkspur, CA 949391013414507
- Grace Fong, D.O.Larkspur, CA 949391952559585
- John Graham, M.D.Larkspur, CA 949391306836366
- Adhira Gupta, MDLarkspur, CA 949391588243729
- Gerald Freedman, M.D.Mill Valley, CA 949411023007069
- Sarah Lowenthal, M.D.Mill Valley, CA 949411790813046
- Zeljko Milovanovic, M.D.Mill Valley, CA 949411548278633
Common questions
What is Jacqueline Susanna Chan, D.O./OSTEOPATH's NPI number?
Jacqueline Susanna 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 Susanna 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 Susanna 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 Susanna Chan, D.O./OSTEOPATH prescribe under Medicare Part D?
In 2024, Jacqueline Susanna Chan, D.O./OSTEOPATH had 108 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.