Merrill N Workhoven, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

MD08982 Issued in OR

Practice address

1775 Thompson Rd
Coos Bay, OR 97420-2125

Phone

(541) 269-8020

NPI assigned

May 18, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Bay Group Anesthesia Services, PC

  • Anesthesiology Physician
  • Coos Bay, OR
  • NPI 1619920014
  NPD (past)

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821041369",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 349",
            "address_2": "1860 VIRGINIA AVE SUITE 9",
            "city": "NORTH BEND",
            "state": "OR",
            "postal_code": "974590106",
            "telephone_number": "541-756-2070",
            "fax_number": "541-756-1999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1775 THOMPSON RD",
            "city": "COOS BAY",
            "state": "OR",
            "postal_code": "974202125",
            "telephone_number": "541-269-8020"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WORKHOVEN",
        "first_name": "MERRILL",
        "middle_name": "N",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OR",
            "license": "MD08982",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "238568",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James A Wilson, RPH
• Rebecca Maria Wilson, CPHT
• Jelena Wittwer, O.T.R.
• James Patrick Woods, MD
• Kelli Woods
• Toni Wyatt-Kirkeby, LCSW
• Nicole Jazmine Wyatt
• Hee Ran Yang
• Angela Renee York, N.P.
• Jon Yost, M.D.

• Anesthesiology Physician in Coos Bay, OR
• Providers in Coos Bay, OR by specialty
• Anesthesiology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.