Roy Eugene Abendroth, MD
Radiation Oncology Physician · San Francisco, CA
Roy Eugene Abendroth, MD is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1811988421, issued on Nov 2, 2005. Check the license (California G60844, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roy Eugene Abendroth
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- G60844 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2333 Buchanan St, San Francisco, CA 94115
- Phone
- (209) 342-2300
- Enumerated
- Nov 2, 2005
- Record last updated
- Aug 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 524-4240
- Medicaid ID
- 00G608440 CA
- Medicare enrollment
- Enrolled (PECOS I20080725000482); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1986
- 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 2333 Buchanan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rashi Agarwal, M.B.B.S.Student in an Organized Health Care Education/Training Program1376981878
- Stephen Anderka, MDEmergency Medicine Physician1083605455
- Steven Ansley, MDEmergency Medicine Physician1851382378
- Jennifer Beachey, M.D.Internal Medicine Physician1285657049
- Robert Bowyer, DOEmergency Medicine Physician1144211517
- Thomas Brahler, M.D.Diagnostic Radiology Physician1508000571
Verify Roy Eugene Abendroth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average radiation oncology physician in 2024
53 Medicare Part D claims for 18 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Pentoxifylline17 claims
- Lidocaine Hcl Viscous14 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: $265.65
4 payments; by number, the most common kind was food and beverage; the largest payer was Novocure 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
- Northern California Radiation Therapists And Oncologists Medical GroupVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Eugene Abendroth among 735 radiation oncology physician records in California
Roy Eugene Abendroth, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1986 · median 2005 among the 545 with a school on file
- Record last updated2008 · 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
- Jason Chan, M.D.San Francisco, CA 941151033536917
- 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 Roy Eugene Abendroth, MD's NPI number?
Roy Eugene Abendroth, MD's National Provider Identifier (NPI) is 1811988421, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roy Eugene Abendroth, MD located?
The NPPES record lists a practice address at 2333 Buchanan St, San Francisco, CA, 94115. Phone: (209) 342-2300. Providers update this record themselves, so call before visiting.
How can I verify Roy Eugene Abendroth, MD's license?
NPPES lists California license number G60844, 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 Roy Eugene Abendroth, MD prescribe under Medicare Part D?
In 2024, Roy Eugene Abendroth, MD had 53 Medicare Part D claims for 18 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.