Michael John Krnacik, MD, PH.D

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

MD23747 Issued in OR

Practice address

277 Medical Loop
Roseburg, OR 97470-2348

Phone

(541) 677-2141

Fax

(541) 677-2136

NPI assigned

Dec 1, 2005

Last updated

Jan 13, 2026By the provider in NPPES

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

Enrolled in OR

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

Orthopedic Surgery

Education

Baylor College of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Umpqua Orthopedics PCGroup PAC ID 9830291871, 2 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Medical Center Hospital, Roseburg, OR, CCN 380027

Merit-based Incentive Payment System (MIPS)

Final score

93.36 of 100Reported as group

Quality

100

Improvement activities

40

Cost

77.86

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/BCHBCD

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.

• Umpqua Orthopedics PC

  • Specialist
  • Roseburg, OR
  • NPI 1548319379

  Orthopaedic Surgery

  Medicare reassignment Care Compare group NPD Authorized official
• Umpqua Orthopedics

  • Specialist
  • Roseburg, OR
  • NPI 1356425169
  NPD Authorized official

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

• Commonspirit Oregon

  dba CHI Mercy Medical Center

  • General Acute Care Hospital
  • Roseburg, OR
  • NPI 1477590198
  Care Compare affiliation

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

{
    "created_epoch": "1133395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1902880024",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "277 NW MEDICAL LOOP",
            "city": "ROSEBURG",
            "state": "OR",
            "postal_code": "974711644",
            "telephone_number": "541-677-2131",
            "fax_number": "541-677-2136"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "277 MEDICAL LOOP",
            "city": "ROSEBURG",
            "state": "OR",
            "postal_code": "974702348",
            "telephone_number": "541-677-2141",
            "fax_number": "541-677-2136"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KRNACIK",
        "first_name": "MICHAEL",
        "middle_name": "JOHN",
        "credential": "MD, PH.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-01",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "OR",
            "license": "MD23747",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "286675",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brianna Kramer, CADC-R
• Edith C Kramer, CNM
• Cynthia Brownson Kremser, MD
• Paul C Kremser, MD
• Stefanie C Krieger, BA SOCIOLOGY/QMHA
• Cyndra Krogen Morton
• Rebekah Lynn Kroll
• Amanda Marie Krueger, APRN
• Meredith C Krugel, LCSW
• Alec Krum

• Orthopaedic Surgery Physician in Roseburg, OR
• Providers in Roseburg, OR by specialty
• Orthopaedic Surgery Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 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.