DR. BRIAN HOLAHAN DO
NPI 1578054375
Internal Medicine - Interventional Cardiology in Olympia, WA
About Dr. Brian Holahan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN HOLAHAN DO (NPI 1578054375) is an individual interventional cardiology provider in Olympia, Washington, licensed in Washington (OP61678783) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Providence Centralia Hospital, and is a graduate of University Of New England, College Of Osteo Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brian Holahan Do 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Centralia Hospital
Acute Care Hospitals · Centralia, WAProvidence St Peter Hospital
Acute Care Hospitals · Olympia, WAGrays Harbor Community Hospital
Acute Care Hospitals · Aberdeen, WASummit Pacific Medical Center
Critical Access Hospitals · Elma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA, WA 98506
OLYMPIA, WA 98506
OLYMPIA, WA 98506
OLYMPIA, WA 98506
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 Brian Holahan's NPI number?
The NPI number for Brian Holahan is 1578054375. It was assigned to this individual provider in the NPPES registry on May 29, 2018.
Where is Brian Holahan located?
Brian Holahan practices at 500 Lilly Rd NE Ste 100, Olympia, WA 98506. The listed phone number is (360) 413-8525.
What is Brian Holahan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Brian Holahan enrolled in Medicare?
Yes. Brian Holahan 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.
What insurance does Brian Holahan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Brian Holahan 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 Brian Holahan affiliated with any hospitals?
According to CMS data, Brian Holahan is affiliated with Providence Centralia Hospital, Providence St Peter Hospital, Grays Harbor Community Hospital and Summit Pacific Medical Center.
When was this NPI record last updated?
The NPPES record for Brian Holahan was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.