NPPES file of Aug 9, 2026

Sean P. Cullen, M.D.

Diagnostic Radiology Physician · San Francisco, CA

Sean P. Cullen, M.D. is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1528090909, issued on Jul 7, 2006. Check the license (California A78890, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528090909
Name
Sean P. Cullen
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A78890 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave # M-391, San Francisco, CA 94143
Phone
(415) 353-1468
Enumerated
Jul 7, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(415) 353-8596
Medicaid ID
00A788900 CA
Medicare enrollment
Enrolled (PECOS I20041217000728); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1995
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 505 Parnassus Ave # M-391

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

  1. Matthew Bucknor, M.D.Diagnostic Radiology Physician1407181274
  2. Alyssa Kirsch, MDDiagnostic Radiology Physician1033639273
  3. Heather Le, M.D.Body Imaging Physician1396761136
  4. John Mongan, MD, PHDDiagnostic Radiology Physician1396070199
  5. Sujal Nanavati, M.D.Diagnostic Radiology Physician1326077496
  6. Mariela Resendes, M.D.Diagnostic Radiology Physician1811913833

Verify Sean P. Cullen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78890
    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

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16% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

43 Medicare Part D claims for 15 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Sean Cullen43
  2. Specialty average51

Most prescribed

  1. Clopidogrel21 claims
  2. Pantoprazole Sodium16 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: $621.30

5 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sean Cullen$621.30
  2. Specialty average$2,488.38

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

  1. Permanente Medical Group IncRedwood City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

Other diagnostic radiology physician records in California

  1. Jason Aaronson, MDLos Angeles, CA1023145463
  2. Brianna Abadie, M.D.Van Nuys, CA1861811291
  3. Kenric Aban, M.D.Oceanside, CA1336218023
  4. Pablo Abbona, MDLos Angeles, CA1689856239
  5. Rashed AbdelaalRiverside, CA1518726090
  6. Ahmed Abdelhalim, MDRiverside, CA1275162927
  7. Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
  8. Bennett Abe, MDVisalia, CA1184731283
  9. Stephen Abedon, M.D.Daly City, CA1689628687
  10. Richard Abello, M.D.La Jolla, CA1245205996

Common questions

What is Sean P. Cullen, M.D.'s NPI number?

Sean P. Cullen, M.D.'s National Provider Identifier (NPI) is 1528090909, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sean P. Cullen, M.D. located?

The NPPES record lists a practice address at 505 Parnassus Ave # M-391, San Francisco, CA, 94143. Phone: (415) 353-1468. Providers update this record themselves, so call before visiting.

How can I verify Sean P. Cullen, M.D.'s license?

NPPES lists California license number A78890, 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 Sean P. Cullen, M.D. prescribe under Medicare Part D?

In 2024, Sean P. Cullen, M.D. had 43 Medicare Part D claims for 15 beneficiaries; the average among diagnostic radiology physician prescribers was 51. 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.