DR. BRENDAN JOHN MCCULLOUGH MD
NPI 1497954317
Radiology - Diagnostic Radiology in Walnut Creek, CA
About Dr. Brendan John Mccullough Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRENDAN JOHN MCCULLOUGH MD (NPI 1497954317) is an individual diagnostic radiology provider in Walnut Creek, California, licensed in California (C172351) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Asante Rogue Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brendan John Mccullough Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
24Medicare enrollment records show Brendan Mccullough reassigns Medicare billing to 24 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Santa Rosa, CA 95405
- Reassigned Medicare billing, Washington enrollment
- 72 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Washington enrollment
- 55 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Washington enrollment
- 69 clinicians in this Medicare group
Vancouver, WA 98662
- Reassigned Medicare billing, Washington enrollment
- 204 clinicians in this Medicare group
Kennewick, WA 99336
- Reassigned Medicare billing, Washington enrollment
- 589 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 186 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 34
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Asante Rogue Regional Medical Center
Acute Care Hospitals · Medford, ORSwedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WAYakima Valley Memorial
Acute Care Hospitals · Yakima, WAPeacehealth Southwest Medical Center
Acute Care Hospitals · Vancouver, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Brendan Mccullough's NPI number?
The NPI number for Brendan Mccullough is 1497954317. It was assigned to this individual provider in the NPPES registry on July 11, 2007.
Where is Brendan Mccullough located?
Brendan Mccullough practices at 2401 Shadelanders Drive, Walnut Creek, CA 94598. The listed phone number is (425) 563-1500.
What is Brendan Mccullough's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Brendan Mccullough enrolled in Medicare?
Yes. Brendan Mccullough is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brendan Mccullough's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brendan Mccullough reassigns Medicare benefits to 24 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), County Of Santa Clara (Palo Alto, CA), Radia California Radiology Medical Group Inc (Santa Rosa, CA), Medford Radiological Group, PC (Medford, OR) and 19 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brendan Mccullough's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brendan Mccullough accept?
Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage, Octave and Premera Blue Cross Blue Shield of Alaska list Brendan Mccullough as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Brendan Mccullough affiliated with any hospitals?
According to CMS data, Brendan Mccullough is affiliated with Asante Rogue Regional Medical Center, Swedish Medical Center / Cherry Hill, Yakima Valley Memorial, Peacehealth Southwest Medical Center and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Brendan Mccullough was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Brendan John Mccullough, MD · NPI 1497954317
Diagnostic Radiology physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since July 11, 2007.
## Identity
- **NPI:** 1497954317 (Entity type: Individual)
- **Enumerated:** July 11, 2007
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** C172351 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 SHADELANDERS DRIVE, Walnut Creek, CA 94598
- **Phone:** (425) 563-1500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 24 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); County Of Santa Clara (NPI 1285228080, Palo Alto, CA); Radia California Radiology Medical Group Inc (NPI 1740982032, Santa Rosa, CA); Medford Radiological Group, PC (NPI 1407938111, Medford, OR); and 19 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** June 4, 2026
- **Other identifiers:** Other 0341837 (WA); Other 0341845 (WA); Other 0404021 (WA); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1497954317) · Data from the CMS NPPES public registry.