Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Derk D. Purcell, MD

Individual provider Diagnostic Radiology Physician · NPI 1114047917

Dr. Derk D. Purcell, MD practises Diagnostic Radiology in San Francisco, California. Graduated from University of California, San Francisco School of Medicine in 2003, 23 years ago. Practices with California Advanced Imaging Medical Associates Inc, a 82-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1101 Van Ness Ave
San Francisco, CA 94109-6919
Phone: (415) 600-0800
Fax: (415) 447-6335
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 5176 Hill Rd E, Lakeport, CA 95453-6300 — (707) 262-5000
  • 3555 Cesar Chavez, San Francisco, CA 94110-4403 — (415) 641-6685
  • 2333 Buchanan St, San Francisco, CA 94115-1925 — (415) 600-3232
  • 2351 Clay St Ste 100, San Francisco, CA 94115-1931 — (415) 600-3143

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A90277 (CA)
Neuroradiology Physician Taxonomy 2085N0700X · Licence A90277 (CA)

Record details

NPI number1114047917
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESMarch 21, 2024
Certification dateMarch 21, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice California Advanced Imaging Medical Associates Inc — 82 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients4,062
Services billed 6,469 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Consulting Fee $6,350 1 payment
Travel and Lodging $5,589 2 payments · travel or lodging paid or reimbursed, such as to attend a conference

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at California Advanced Imaging Medical Associates Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 82 clinicians in the practice; 12 are shown here.

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