Individual provider Active NPI

Gregory Robert Obray, PA-C

  • Surgical Physician Assistant
  • Clarkston, WA
National Provider Identifier
1083770192
Registry record updated Jan 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
M7482 Issued in ID
Practice address
1207 Evergreen CT
Clarkston, WA 99403-2874
Phone
(509) 769-2254
Fax
(509) 769-2255
NPI assigned
Dec 31, 2006
Last updated
Jan 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 21, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X 00034506 WA
Surgical Physician Assistant 363AS0400X M7482 ID Primary

Addresses

Primary practice location

1207 Evergreen CT
Clarkston, WA 99403-2874

Mailing address

PO Box 189
Clarkston, WA 99403-0189
Phone (509) 758-2254

Other identifiers 2

IdentifierTypeStateIssuer
8204851MedicaidWA
805208800MedicaidID

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, ID2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20140428000561 WA Practitioner - Physician Assistant 9638302607 Reassigns benefits to 4 organizations
I20140428000885 ID Practitioner - Physician Assistant 9638302607 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Catalyst Medical Group PLLCGroup PAC ID 2365722105, 31 clinicians
Tri-State Memorial HospitalGroup PAC ID 4082502422, 33 clinicians

Practice addresses (Care Compare)

1221 Highland Ave
Clarkston, WA 99403-2829
Phone (208) 746-1383

2315 8TH St
Lewiston, ID 83501-7301
Phone (208) 746-1383

320 Warner Dr
Lewiston, ID 83501-4441
Phone (208) 743-3523

808 Port Dr
Clarkston, WA 99403-6009
Phone (208) 746-1383

PO Box
Suite 189
Clarkston, WA 99403-0189

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
M7482IDMDOrthopaedic Surgery of the Spine Physician
00034506WAMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Tri-State Memorial Hospital CurrentSince Jan 1, 2026 Accepting new patients
Tri-State Memorial Hospital CurrentSince Jul 25, 2025 Accepting new patients
Columbia County Hospital District CurrentSince Mar 1, 2020 Accepting new patients
Columbia County Hospital District CurrentSince Mar 1, 2020 Accepting new patients

Locations

1207 Evergreen Ct
Clarkston, WA 99403
Phone (509) 751-0600

1221 Highland Ave
Clarkston, WA 99403
Phone (509) 751-0312

1267 Belmont Way
Clarkston, WA 99403
Phone (509) 751-1500

1012 S 3rd St
Dayton, WA 99328
Phone (509) 382-2531

Interoperability endpoints

  • Direct secure messaging: gobray@cmgadmin.directmessaging.net

Organizations & group practices 7

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1167523200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1083770192",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 189",
            "city": "CLARKSTON",
            "state": "WA",
            "postal_code": "994030189",
            "telephone_number": "509-758-2254",
            "fax_number": "509-758-2255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1207 EVERGREEN CT",
            "city": "CLARKSTON",
            "state": "WA",
            "postal_code": "994032874",
            "telephone_number": "509-769-2254",
            "fax_number": "509-769-2255"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBRAY",
        "first_name": "GREGORY",
        "middle_name": "ROBERT",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-31",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WA",
            "license": "00034506",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "ID",
            "license": "M7482",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8204851",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "805208800",
            "state": "ID"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Clarkston, WA

Sources for this page

Verify at the official NPI Registry.