Roy Opsahl, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

G70640 Issued in CA

Practice address

1000 Greenley Rd
Sonora, CA 95370-5200

Phone

(209) 536-3514

NPI assigned

Oct 18, 2006

Last updated

Jan 17, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, HI, MT, AK4 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 4

Specialty

Anesthesiology

Education

Loma Linda University School of Medicine, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sonora Anesthesia Services a Medical Group IncGroup PAC ID 7315911567, 13 clinicians

Providence Anchorage Anesthesia Medical Group PCGroup PAC ID 2163414830, 52 clinicians

Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventist Health Lodi Memorial Hospital, Lodi, CA, CCN 050336

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ropsahl15376@enloedirect.org

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

• Cep America - Anesthesia, PC

  • Anesthesiology Physician
  • Walnut Creek, CA
  • NPI 1790401438
  Medicare reassignment Care Compare group NPD
• Sonora Anesthesia Services a Medical Group Inc

  • Anesthesiology Physician
  • Sonora, CA
  • NPI 1265481105
  Medicare reassignment Care Compare group NPD
• Providence Anchorage Anesthesia Medical Group, P.C.

  • Anesthesiology Physician
  • Anchorage, AK
  • NPI 1659368397
  Medicare reassignment Care Compare group NPD
• Benefis Hospitals Inc

  dba Benefis Medical Group

  • Multi-Specialty Clinic/Center
  • Great Falls, MT
  • NPI 1780968974
  Medicare reassignment NPD
• The Anesthesia Medical Group Inc

  • Anesthesiology Physician
  • Honolulu, HI
  • NPI 1356362990
  Medicare reassignment NPD
• Cep America - Anesthesia PC

  dba Vituity

  • Anesthesiology Physician
  • San Jose, CA
  • NPI 1598214108
  NPD
• Benefis Hospitals, Inc.

  • General Acute Care Hospital
  • Great Falls, MT
  • NPI 1881650737
  NPD
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • Langhorne, PA
  • NPI 1093678229
  NPD
• Island Professional Anesthesia LLC

  • Anesthesiology Physician
  • Hilo, HI
  • NPI 1174159834
  NPD
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • Fremont, CA
  • NPI 1982009759
  NPD (past)

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

• Lodi Memorial Hospital Association Inc

  dba Lodi Memorial Hospital

  • General Acute Care Hospital
  • Lodi, CA
  • NPI 1316938301
  Care Compare affiliation

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

{
    "created_epoch": "1161129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1737072000000",
    "number": "1902987522",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34120",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895334120",
            "telephone_number": "775-747-5050",
            "fax_number": "775-747-5005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 GREENLEY RD",
            "city": "SONORA",
            "state": "CA",
            "postal_code": "953705200",
            "telephone_number": "209-536-3514"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 26th St S",
            "address_purpose": "LOCATION",
            "city": "Great Falls",
            "state": "MT",
            "postal_code": "594055161",
            "country_code": "US",
            "telephone_number": "406-455-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OPSAHL",
        "first_name": "ROY",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-18",
        "last_updated": "2025-01-17",
        "certification_date": "2025-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "G70640",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MT",
            "license": "59579",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ian Robert O'Sullivan, MD, PHD
• Jester Mark Callejo Odrunia
• Old Oak Ranch Recovery (The Refuge Recovery Center)
• Jessica M Olsen
• Oncology Group Inc. (Sonora Regional Radiation Oncology Center)
• Kevin A. Orca, PHARM.D.
• Pamela Orebaugh, MSW
• Austin Owen, DDS
• Kimberly S Packham
• Jema Padavana

• Anesthesiology Physician in Sonora, CA
• Providers in Sonora, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 17, 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.