NPIMap

Individual provider Active NPI

Miranda Lee Markesteyn, PA

  • Surgical Physician Assistant
  • Corvallis, OR
National Provider Identifier
1144611971
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA201988 Issued in OR
Practice address
3640 NW Samaritan Dr Ste 120
Corvallis, OR 97330-3738
Phone
(541) 768-5223
Fax
(540) 536-0235
NPI assigned
Feb 16, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PA201988 OR Primary
Surgical Physician Assistant 363AS0400X PA9108211 FL
Physician Assistant 363A00000X PA60613313 WA
Surgical Physician Assistant 363AS0400X 0110006164 VA

Addresses

Primary practice location

3640 NW Samaritan Dr Ste 120
Corvallis, OR 97330-3738

Mailing address

PO Box 1189
Corvallis, OR 97339-1189

Other practice location 1

1870 Amherst St Ste 2B
Winchester, VA 22601
Phone (540) 536-6721

Other practice location 2

2006 Health Campus Dr Fl 2
Rockingham, VA 22801-8679
Phone (540) 689-5555

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mmarkesteyn197464@samhealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, OR2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180626000034 VA Practitioner - Physician Assistant 9931426012 Reassigns benefits to 1 organization
I20201214002634 OR Practitioner - Physician Assistant 9931426012 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Good Samaritan Hospital CorvallisGroup PAC ID 1557270725, 372 clinicians

Practice addresses (Care Compare)

3600 NW Samaritan Dr
Corvallis, OR 97330-3737

Hospital & facility affiliations

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA9108211FLMDSurgical Physician Assistant
0110006164VAMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Good Samaritan Hospital Corvallis Current Accepting new patients
RMH Medical Group LLC CurrentSince Apr 1, 2025 Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Aug 4, 2024 Accepting new patients
Good Samaritan Hospital Corvallis CurrentSince Sep 10, 2025 Accepting new patients
Stuart Cardiovascular Associates, PLLC PastSince Jul 31, 2006 Accepting new patients
Rockingham Memorial Hospital Past Accepting new patients
Stuart Cardiovascular Anesthesia Associates PLLC PastSince Jul 31, 2006 Accepting new patients
Sentara Medical Group Past Accepting new patients
Sentara RMH Medical Center PastSince Apr 1, 2025 Accepting new patients

Locations

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

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

136 W Elizabeth St
Ste 201
Harrisonburg, VA 22802
Phone (540) 564-5104

Interoperability endpoints

  • Direct secure messaging: mmarkesteyn197464@samhealth.direct-ci.com
  • Direct secure messaging: mmarkesteyn1042986@direct.sentara.net

Organizations & group practices 10

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.

Hospital & facility affiliations 36

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

View all 36

NPI Registry JSON

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

{
    "created_epoch": "1424044800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1144611971",
    "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": "3640 NW SAMARITAN DR STE 120",
            "city": "CORVALLIS",
            "state": "OR",
            "postal_code": "973303738",
            "telephone_number": "541-768-5223",
            "fax_number": "540-536-0235"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1870 Amherst St Ste 2B",
            "address_purpose": "LOCATION",
            "city": "Winchester",
            "state": "VA",
            "postal_code": "22601",
            "country_code": "US",
            "telephone_number": "540-536-6721",
            "fax_number": "540-536-6724",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2006 Health Campus Dr Fl 2",
            "address_purpose": "LOCATION",
            "city": "Rockingham",
            "state": "VA",
            "postal_code": "228018679",
            "country_code": "US",
            "telephone_number": "540-689-5555",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARKESTEYN",
        "first_name": "MIRANDA",
        "middle_name": "LEE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-02-16",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "OR",
            "license": "PA201988",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "FL",
            "license": "PA9108211",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA60613313",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "VA",
            "license": "0110006164",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmarkesteyn197464@samhealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "3640 NW Samaritan Dr Ste 120",
            "city": "Corvallis",
            "state": "OR",
            "country_code": "US",
            "postal_code": "973303784",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Corvallis, OR

Sources for this page

Verify at the official NPI Registry.