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

Dr. Brian Holahan, DO

Individual provider Interventional Cardiology Physician · NPI 1578054375

Dr. Brian Holahan, DO is an Interventional Cardiology in Olympia, Washington. Graduated from University of New England, College of Osteo Medicine in 2018, 8 years ago. Practices with Providence Health and Services Washington, a 480-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
8
Trained at
University of New England, College of Osteo Medicine
Licensed in
WA
In the registry since
2018
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

500 Lilly Rd NE Ste 100
Olympia, WA 98506-5195
Phone: (360) 413-8525
Fax: (360) 412-6477
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence OP61678783 (WA)

Record details

NPI number1578054375
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 29, 2018
Last updated in NPPESSeptember 26, 2025
Certification dateSeptember 26, 2025
Mailing address500 Lilly Rd Ne Ste 100, Olympia, WA 98506-5195

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2018 (8 years in practice)
Group practice Providence Health And Services Washington — 480 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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