NPPES file of Aug 9, 2026

Brendan John McCullough, MD

Diagnostic Radiology Physician · Walnut Creek, CA

Brendan John McCullough, MD is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1497954317, issued on Jul 11, 2007. Check the license (California C172351, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497954317
Name
Brendan John McCullough
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
C172351 CA
MEDS7777 AK
M-12499 ID
MD60106629 WA
Self-reported in NPPES; status is on the state search
Practice location
2401 Shadelanders Drive, Walnut Creek, CA 94598
Phone
(425) 563-1500
Enumerated
Jul 11, 2007
Record last updated
Jun 4, 2026
Medicaid IDs
1497954317 ID
1613891 AK
2018524 WA
Medicare enrollment
Enrolled (PECOS I20130705000351); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2007
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 2401 Shadelanders Drive

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

  1. Christopher Krol, MDDiagnostic Radiology Physician1114905007

Verify Brendan John McCullough in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C172351    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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Bills Medicare through 16+ group practices

  1. Central Washington Health Services AssociationWenatchee, WA
  2. County OF Santa ClaraSan Jose, CA
  3. Evergreen Radia LLCKirkland, WA
  4. Medford Radiological Group PCBellevue, WA
  5. Okanogan County Public Hospital District NO. 3Omak, WA
  6. Optum Care Washington PLLCEverett, WA
  7. Pet-CT Imaging AT Swedish Cancer Institute LLCSeattle, WA
  8. Public Hospital District NO 4 King County WashingtonSnoqualmie, WA
  9. Radia California Radiology Medical Group IncBellevue, WA
  10. Radia Imaging Center Holdings LLCSeattle, WA
  11. Radia Inc P SKirkland, WA
  12. Radia Oregon Radiology Medical Group LLCBellevue, WA
  13. Radiology Associates PAEdmonds, WA
  14. Swedish Health ServicesEverett, WA
  15. Swedish Health ServicesSeattle, WA
  16. Swedish Radia Imaging Center AT Edmonds LLCEdmonds, WA

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

98 diagnostic radiology physician records list a practice address in Walnut Creek

They are 98 of the 6,170 NPPES records with a practice address in Walnut Creek, and 4,500 diagnostic radiology physician records in California.

All 98 in Walnut Creek → All 4,500 in California → Every provider in Walnut Creek →

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 Brendan John McCullough, MD's NPI number?

Brendan John McCullough, MD's National Provider Identifier (NPI) is 1497954317, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Brendan John McCullough, MD located?

The NPPES record lists a practice address at 2401 Shadelanders Drive, Walnut Creek, CA, 94598. Phone: (425) 563-1500. Providers update this record themselves, so call before visiting.

How can I verify Brendan John McCullough, MD's license?

NPPES lists California license number C172351, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.