NPPES file of Aug 9, 2026

Derek Sun, MD

Body Imaging Physician · San Francisco, CA

Derek Sun, MD is a body imaging physician with a practice address in San Francisco, California, and NPI 1174898019, issued on Mar 10, 2012. Check the license (California A125532, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174898019
Name
Derek Sun
Credential
MD
Primary taxonomy
Body Imaging Physician 2085B0100X
License number
A125532 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Divisadero St, San Francisco, CA 94115
Phone
(415) 885-7464
Enumerated
Mar 10, 2012
Record last updated
Sep 1, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(415) 885-7876
Medicare enrollment
Enrolled (PECOS I20130529000895); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1600 Divisadero St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Betsy Althaus, PHARM.D.Pharmacist1366650657
  2. Mehrdad Arjomandi, MDCritical Care Medicine (Internal Medicine) Physician1912951153
  3. Chloe Atreya, MD, PHDMedical Oncology Physician1326058777
  4. Ronald Balassanian, MDAnatomic Pathology & Clinical Pathology Physician1043282379
  5. Christopher Benz, M.D.Medical Oncology Physician1457381014
  6. Emily Bergsland, MDMedical Oncology Physician1295792729

Verify Derek Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A125532
    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.

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48% fewer Medicare Part D claims than the average body imaging physician in 2024

17 Medicare Part D claims for 12 beneficiaries, against an average of 33 among the 30 providers of this specialty who prescribed in Part D.

  1. Derek Sun17
  2. Specialty average33

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): 82.3 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.

  1. Qualityout of 100 · 30% of the final score90.9
  2. Costout of 100 · 30%74.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Ucsf Medical Group Business ServicesSan Francisco, CA
  2. 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).

Derek Sun among 270 body imaging physician records in California

Derek Sun, MD is one of 270 body imaging physician records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 81% of them.

  • NPI issued2012 · 81% of these records are older, 18% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 1998 among the 168 with a school on file
  • Record last updated2015 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085B0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Body Imaging Physician providers in California

There are 270 body imaging physician records in California.

The 8 body imaging physician records with the nearest ZIP codes

  1. Bilal Ahmed, M.D.San Francisco, CA 941221134551724
  2. Sonia Lee, M.D.San Francisco, CA 941221861607277
  3. Spencer Behr, MDSan Francisco, CA 941431336310101
  4. Bernice Lau, M.D.San Francisco, CA 941431275917387
  5. Heather Le, M.D.San Francisco, CA 941431396761136
  6. Kareem Mawad, M.D., M.A.San Francisco, CA 941431265750467
  7. Taryn LammMountain View, CA 940401033153713
  8. Joon Lee, M.D.Palo Alto, CA 943011477797868

Common questions

What is Derek Sun, MD's NPI number?

Derek Sun, MD's National Provider Identifier (NPI) is 1174898019, issued on Mar 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Derek Sun, MD located?

The NPPES record lists a practice address at 1600 Divisadero St, San Francisco, CA, 94115. Phone: (415) 885-7464. Providers update this record themselves, so call before visiting.

How can I verify Derek Sun, MD's license?

NPPES lists California license number A125532, 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 Derek Sun, MD prescribe under Medicare Part D?

In 2024, Derek Sun, MD had 17 Medicare Part D claims for 12 beneficiaries; the average among body imaging physician prescribers was 33. Part D covers Medicare prescriptions only.

What is Derek Sun, MD's MIPS final score?

The 2023 MIPS final score is 82.3 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.