Brian Holahan, DO

Primary specialty

Interventional Cardiology PhysicianTaxonomy code 207RI0011X

License

OP61678783 Issued in WA

Practice address

500 Lilly Rd NE Ste 100
Olympia, WA 98506-5195

Phone

(360) 413-8525

Fax

(360) 412-6477

NPI assigned

May 29, 2018

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Interventional Cardiology

Education

University of New England, College of Osteo Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Health and Services WashingtonGroup PAC ID 6709782600, 480 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024
• Providence Centralia Hospital Hospital, Centralia, WA, CCN 500019
• Summit Pacific Medical Center Hospital, Elma, WA, CCN 501304
• Grays Harbor Community Hospital Hospital, Aberdeen, WA, CCN 500031

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Providence Health & Services Washington

  • Family Medicine Physician
  • Olympia, WA
  • NPI 1174744304
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Grays Harbor Community Hospital

  • General Acute Care Hospital
  • Aberdeen, WA
  • NPI 1154378859
  Care Compare affiliation
• Grays Harbor County Public Hospital District No 1

  • Critical Access Hospital
  • Elma, WA
  • NPI 1740211028
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1346250594
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Centralia, WA
  • NPI 1376624981
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1527552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758844800000",
    "number": "1578054375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 LILLY RD NE STE 100",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985065195",
            "telephone_number": "360-413-8525",
            "fax_number": "360-412-6477"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 LILLY RD NE STE 100",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985065195",
            "telephone_number": "360-413-8525",
            "fax_number": "360-412-6477"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLAHAN",
        "first_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-05-29",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "WA",
            "license": "OP61678783",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Eden Rebeka Hoffmeister
• Johanna Hofmann, MBA, MAC., LAC.
• Katherine Mieko Hogg, MD
• Erick Hohnstein-Van Etten, MSW
• Resa Lynn Hoiland, LMHC
• Nancy Doreen Holbrook
• Joshua Mack Holcomb, PT
• Philip Andrew Holcombe, PH.D.
• Jeffery Holdener, DPT
• John Paul Holland, MD

• Interventional Cardiology Physician in Olympia, WA
• Providers in Olympia, WA by specialty
• Interventional Cardiology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.