Individual provider Active NPI

Cay Michael Mierisch, MD

  • Orthopaedic Surgery Physician
  • Corvallis, OR
National Provider Identifier
1083688931
Registry record updated Aug 13, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
MD205645 Issued in OR
Practice address
3620 NW Samaritan Dr Ste 201
Corvallis, OR 97330-3785
Phone
(541) 768-6300
NPI assigned
Feb 16, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2021

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 0101-237955 VA
Orthopaedic Hand Surgery Physician 207XS0106X 0101237955 VA
Orthopaedic Surgery Physician 207X00000X MD205645 OR Primary

Addresses

Primary practice location

3620 NW Samaritan Dr Ste 201
Corvallis, OR 97330-3785

Mailing address

PO Box 1189
Corvallis, OR 97339-1189

Other practice location 1

2331 Franklin Rd SW
Roanoke, VA 24014-1111
Phone (540) 725-1226

Other identifiers 20

IdentifierTypeStateIssuer
1083688931OtherVAINTOTAL
1083688931OtherVACIGNA
1083688931OtherVAMEDICAID OF NORTH CAROLINA
1083688931MedicaidVA
1083688931OtherVAUMWA
1083688931OtherVAHEALTHKEEPERS
1083688931OtherVAVA PREMIER
1083688931OtherVAUNITED HEALTHCARE
3810010052OtherVAMEDICAID OF WEST VIRGINIA
P00239901OtherVARAILROAD MEDICARE
1083688931OtherVAHEALTHKEEPERS PLUS
1083688931OtherVASOUTHERN HEALTH/CARENET/CARELINK/COVENTRY
1083688931OtherVAVIRGINIA HEALTH NETWORK
371194700OtherVABLACK LUNG
1083688931OtherVAHUMANA MEDICARE
1083688931OtherVAAETNA
1083688931OtherVAANTHEM
540506332004OtherVATRICARE/CHAMPUS
1083688931OtherVAGATEWAY
1083688931OtherVAOPTIMA HEALTH PLAN

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cmierisch207663@samhealth.direct-ci.com

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20210806001469 OR Practitioner - Orthopedic Surgery 2264407576 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Good Samaritan Hospital CorvallisGroup PAC ID 1557270725, 372 clinicians
Albany General HospitalGroup PAC ID 9931097987, 191 clinicians

Practice addresses (Care Compare)

3600 NW Samaritan Dr
Corvallis, OR 97330-3737

3620 NW Samaritan Dr
Corvallis, OR 97330-4714

400 Hickory St NW
Albany, OR 97321-1700

534 Pleasant View Way NW
Albany, OR 97321-1700

705 Elm St SW
Suite 200
Albany, OR 97321-1957
Phone (541) 812-4850

Hospital & facility affiliations

  • Good Samaritan Regional Medical Center Hospital, Corvallis, OR, CCN 380014
  • Samaritan Lebanon Community Hospital Hospital, Lebanon, OR, CCN 381323
  • Samaritan Pacific Community Hospital Hospital, Newport, OR, CCN 381314
  • Samaritan North Lincoln Hospital Hospital, Lincoln City, OR, CCN 381302
  • Samaritan Albany General Hospital Hospital, Albany, OR, CCN 380022

Merit-based Incentive Payment System (MIPS)

Final score
91.14 of 100Reported as group
Quality
85.78
Promoting interoperability
100
Improvement activities
40
Cost
78.31

Merit-based Incentive Payment System (MIPS)

Final score
93.65 of 100Reported as group
Quality
86.8
Promoting interoperability
100
Improvement activities
40
Cost
86.36

Merit-based Incentive Payment System (MIPS)

Final score
96.77 of 100Reported as group
Quality
88.09
Promoting interoperability
100
Improvement activities
40
Cost
84.48

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Upper limb (arm) arthroscopy (minimally invasive joint repair)45
Removal of tissue1-10
Removal of nail tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101-237955VAMDOrthopaedic Surgery Physician
0101237955VAMDOrthopaedic Hand Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Samaritan North Lincoln Hospital CurrentSince Jan 24, 2026 Accepting new patients
Mid-Valley Healthcare, Inc. CurrentSince Apr 15, 2022 Accepting new patients
Albany General Hospital CurrentSince Apr 15, 2022 Accepting new patients
Albany General Hospital CurrentSince Apr 15, 2022 Accepting new patients
Samaritan North Lincoln Hospital CurrentSince Jan 24, 2026 Accepting new patients
Samaritan Pacific Health Services, Inc CurrentSince Jan 24, 2026 Accepting new patients
Samaritan Pacific Health Services, Inc. CurrentSince Jan 24, 2026 Accepting new patients
Mid-Valley Healthcare Inc CurrentSince Apr 15, 2022 Accepting new patients
Samaritan Pacific Health Services, Inc. CurrentSince Jan 24, 2026 Accepting new patients
Good Samaritan Hospital Corvallis Current Accepting new patients
Samaritan North Lincoln Hospital CurrentSince Jan 24, 2026 Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Aug 16, 2021 Accepting new patients
Albany General Hospital Current Accepting new patients
Mid-Valley Healthcare Inc Current Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Aug 16, 2021 Accepting new patients

Locations

705 Elm St SW
Ste 200
Albany, OR 97321
Phone (541) 812-4850

3600 NW Samaritan Dr
Ste 227
Corvallis, OR 97330
Phone (541) 768-1261

3620 NW Samaritan Dr
Ste 201
Corvallis, OR 97330
Phone (541) 768-6300

3600 NW Samaritan Dr
Corvallis, OR 97330
Phone (541) 768-4906

777 NW 9th St
Ste 102
Corvallis, OR 97330
Phone (541) 768-6769

325 Park St
Lebanon, OR 97355
Phone (541) 451-7200

Organizations & group practices 18

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.

View all 18

Hospital & facility affiliations 74

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

View all 74

NPI Registry JSON

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

{
    "created_epoch": "1140048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1628812800000",
    "number": "1083688931",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1189",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973391189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3620 NW SAMARITAN DR STE 201",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973303785",
            "telephone_number": "541-768-6300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2331 Franklin Rd SW",
            "address_purpose": "LOCATION",
            "city": "Roanoke",
            "state": "VA",
            "postal_code": "240141111",
            "country_code": "US",
            "telephone_number": "540-725-1226",
            "fax_number": "540-857-5306",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MIERISCH",
        "first_name": "CAY",
        "middle_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-16",
        "last_updated": "2021-08-13",
        "certification_date": "2021-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "VA",
            "license": "0101-237955",
            "primary": false
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "VA",
            "license": "0101237955",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "OR",
            "license": "MD205645",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "INTOTAL",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID OF NORTH CAROLINA",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UMWA",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHKEEPERS",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "VA PREMIER",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
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            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID OF WEST VIRGINIA",
            "identifier": "3810010052",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00239901",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHKEEPERS PLUS",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SOUTHERN HEALTH/CARENET/CARELINK/COVENTRY",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "VIRGINIA HEALTH NETWORK",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLACK LUNG",
            "identifier": "371194700",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA MEDICARE",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE/CHAMPUS",
            "identifier": "540506332004",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GATEWAY",
            "identifier": "1083688931",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OPTIMA HEALTH PLAN",
            "identifier": "1083688931",
            "state": "VA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cmierisch207663@samhealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "3620 NW Samaritan Dr Ste 201",
            "city": "Corvallis",
            "state": "OR",
            "country_code": "US",
            "postal_code": "973303785",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Corvallis, OR

Sources for this page

Verify at the official NPI Registry.