Jason Chan, M.D.
Radiation Oncology Physician · San Francisco, CA
Jason Chan, M.D. is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1033536917, issued on Mar 27, 2014. Check the license (California A140034, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Chan
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A140034 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Divisadero Street, San Francisco, CA 94115
- Phone
- (415) 353-7175
- Enumerated
- Mar 27, 2014
- Record last updated
- Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 353-9884
- Medicare enrollment
- Enrolled (PECOS I20190715001542); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 1600 Divisadero Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bridget HogueAdult Health Nurse Practitioner1841441730
- Eun-Sil Hwang, MDSurgery Physician1154385177
Verify Jason Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140034Check 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% more Medicare Part D claims than the average radiation oncology physician in 2024
264 Medicare Part D claims for 80 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 53 claims were for opioids.
Most prescribed
- Lidocaine Hcl Viscous52 claims
- Oxycodone Hcl38 claims
- Pilocarpine Hcl17 claims
- Gabapentin16 claims
- Lorazepam12 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.
The MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $131.63
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 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.
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Chan among 735 radiation oncology physician records in California
Jason Chan, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% 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 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2005 among the 545 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in San Francisco → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Roy Abendroth, MDSan Francisco, CA 941151811988421
- Barry Chauser, MDSan Francisco, CA 941151902897515
- Nam Woo Cho, MDPHDSan Francisco, CA 941151811420052
- Alexander Gottschalk, M.D.San Francisco, CA 941151790728137
- I-Chow Hsu, M.D.San Francisco, CA 941151144263039
- Sara Huang, MDSan Francisco, CA 941151053393033
- John Lee, MDSan Francisco, CA 941151316938657
- John Meyer, MDSan Francisco, CA 941151164403416
Common questions
What is Jason Chan, M.D.'s NPI number?
Jason Chan, M.D.'s National Provider Identifier (NPI) is 1033536917, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jason Chan, M.D. located?
The NPPES record lists a practice address at 1600 Divisadero Street, San Francisco, CA, 94115. Phone: (415) 353-7175. Providers update this record themselves, so call before visiting.
How can I verify Jason Chan, M.D.'s license?
NPPES lists California license number A140034, 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 Jason Chan, M.D. prescribe under Medicare Part D?
In 2024, Jason Chan, M.D. had 264 Medicare Part D claims for 80 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Jason Chan, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.