Roy M. Bak, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A79654 Issued in CA

Practice address

101 W 8TH Ave
Spokane, WA 99204-2307

Phone

(509) 474-3181

NPI assigned

Aug 4, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other identifiers 2

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in CA, WA, IL, WI, OR5 enrollments

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 5

Specialty

Anesthesiology

Education

University of Washington School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Oregon Anesthesiology Group PCGroup PAC ID 3476451659, 239 clinicians

Providence Health and Service- WashingtonGroup PAC ID 0840279758, 170 clinicians

Vituity-Wisconsin Anesthesia SCGroup PAC ID 2163968819, 144 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Prov Sacred HRT Med Ctr & Childs Hosp. Hospital, Spokane, WA, CCN 500054
• Legacy Emanuel Medical Center Hospital, Portland, OR, CCN 380007
• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038
• Legacy Meridian Park Medical Center Hospital, Tualatin, OR, CCN 380089

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rbak836055@direct.froedtert.com

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.

• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Oregon Anesthesiology Group PC

  • Anesthesiology Physician
  • Portland, OR
  • NPI 1477527786
  Medicare reassignment Care Compare group NPD
• Vituity-Wisconsin Anesthesia SC

  • Anesthesiology Physician
  • Pleasant Prairie, WI
  • NPI 1821831975
  Medicare reassignment Care Compare group NPD
• Providence Health & Service- Washington

  • Anesthesiology Physician
  • Spokane, WA
  • NPI 1508118555
  Medicare reassignment Care Compare group
• Cep America - Anesthesia, PC

  • Anesthesiology Physician
  • Walnut Creek, CA
  • NPI 1790401438
  Medicare reassignment NPD
• Cypress Coast Anesthesia Medical Group, Inc.

  • Anesthesiology Physician
  • Salinas, CA
  • NPI 1992726855
  Medicare reassignment NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Oak Creek Anesthesia Services, Inc.

  • Anesthesiology Physician
  • Visalia, CA
  • NPI 1619589512
  Medicare reassignment NPD
• Palm Springs Anesthesia Services, PC

  • Anesthesiology Physician
  • San Bernardino, CA
  • NPI 1083928501
  Medicare reassignment NPD
• Premier Anesthesia of California, PC

  • Anesthesiology Physician
  • San Ramon, CA
  • NPI 1770691859
  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment
• Advocate Health & Hospitals Corporation

  • Medical Specialty Clinic/Center
  • Oak Lawn, IL
  • NPI 1912936014
  NPD

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

• Providence Health & Services - Wa

  • General Acute Care Hospital
  • Spokane, WA
  • NPI 1144471715
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  • General Acute Care Hospital
  • Oak Lawn, IL
  • NPI 1548375082
  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003367491
  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • Clinical Medical Laboratory
  • Portland, OR
  • NPI 1295756898

  Hospital

  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • Clinic/Center
  • Portland, OR
  • NPI 1700809027

  Hospital

  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1831112358
  Care Compare affiliation
• Legacy Meridian Park Hospital

  • General Acute Care Hospital
  • Tualatin, OR
  • NPI 1184647620
  Care Compare affiliation
• Pennock Hospital

  • Critical Access Hospital
  • Hastings, MI
  • NPI 1932695525
  Care Compare affiliation
• Spectrum Health Hospitals

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  Care Compare affiliation

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

{
    "created_epoch": "1154649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1225046352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 W 8TH AVE",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992042307",
            "telephone_number": "509-474-3181"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 W 8TH AVE",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992042307",
            "telephone_number": "509-474-3181"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1775 Dempster St",
            "address_purpose": "LOCATION",
            "city": "Park Ridge",
            "state": "IL",
            "postal_code": "600681143",
            "country_code": "US",
            "telephone_number": "847-723-2210",
            "fax_number": "847-723-3532",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3626 Ruffin Rd",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921231810",
            "country_code": "US",
            "telephone_number": "858-565-9666",
            "fax_number": "858-565-9441",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BAK",
        "first_name": "ROY",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-04",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AK",
            "license": "100064",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A79654",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "4127-320",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WA",
            "license": "MD61096343",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036-167022",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A796540",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD OF CA",
            "identifier": "00A796540",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rbak383524@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Heidi T Baird, RD
• Kelli Cherie Baird, MSW
• Kyle Baird, DDS, MD
• Lisa K Baird, PHARM.D.
• Mark J Baird, PSYD
• Kateryna Volodymyrivna Bakay, PT
• Amery D Baker, PAC
• Andrea Michelle Baker, P.T., ATC, COF
• Bailey Baker
• Bonnie S Baker, PHD ACSW

• Anesthesiology Physician in Spokane, WA
• Providers in Spokane, WA by specialty
• Anesthesiology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; 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.