Nicholas James Eustace, MD PHD
Radiation Oncology Physician · San Francisco, CA
Nicholas James Eustace, MD PHD is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1285210831, issued on Mar 23, 2021. Check the license (California A180473, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas James Eustace
- Credential
- MD PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A180473 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1825 4TH St, San Francisco, CA 94143
- Phone
- (415) 353-7175
- Enumerated
- Mar 23, 2021
- Record last updated
- Apr 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260405000013); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 1825 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas James Eustace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average radiation oncology physician in 2024
48 Medicare Part D claims for 26 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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: $121.87
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Nicholas James Eustace among 735 radiation oncology physician records in California
Nicholas James Eustace, MD PHD 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2020 · median 2005 among the 545 with a school on file
- Record last updated2026 · 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
- Lauren Boreta, M.D.San Francisco, CA 941431679990071
- Steve Braunstein, MD, PHDSan Francisco, CA 941431760610141
- Mary Feng, M.D.San Francisco, CA 941431720106693
- Barbara Fowble, M.D.San Francisco, CA 941431881623866
- Encouse Golden, MD, PHDSan Francisco, CA 941431841525664
- Kavita Mishra, M.D., M.P.H.San Francisco, CA 941431568640076
- Jean Nakamura, M.D.San Francisco, CA 941431154369551
- Anna Paulsson, M.D.San Francisco, CA 941431134562333
Common questions
What is Nicholas James Eustace, MD PHD's NPI number?
Nicholas James Eustace, MD PHD's National Provider Identifier (NPI) is 1285210831, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas James Eustace, MD PHD located?
The NPPES record lists a practice address at 1825 4TH St, San Francisco, CA, 94143. Phone: (415) 353-7175. Providers update this record themselves, so call before visiting.
How can I verify Nicholas James Eustace, MD PHD's license?
NPPES lists California license number A180473, 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 Nicholas James Eustace, MD PHD prescribe under Medicare Part D?
In 2024, Nicholas James Eustace, MD PHD had 48 Medicare Part D claims for 26 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.