Active NPI
Diana M Seaders, PA
- Medical Physician Assistant
- Salem, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- PA164959
- Practice address
- 875 Oak St SE Ste 4030
Salem, OR 97301-3984 - Phone
- (503) 561-6444
- Fax
- (503) 561-6440
- NPI assigned
- Dec 4, 2012
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 5318 | AZ | |
| Medical Physician Assistant | 363AM0700X | PA164959 | OR | Primary |
| Physician Assistant | 363A00000X | PA164969 | OR |
Addresses
Primary practice location
875 Oak St SE Ste 4030
Salem, OR 97301-3984
Mailing address
875 Oak St SE Ste 4030
Salem, OR 97301-3984
Phone (503) 561-6444
Other practice location 1
3783 International Ct Ste 200
Springfield, OR 97477-1025
Phone (541) 302-6469
Other practice location 2
501 NW Elks Dr Ste 100
Corvallis, OR 97330-3757
Phone (541) 768-4950
Other practice location 3
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-6594
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 767954 | Medicaid | AZ |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | dseaderscontractstaff197038@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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1475 Mount Hood Ave
Woodburn, OR 97071-9066
Phone (971) 983-5210
3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-8311
875 Oak St SE
Suite 4030
Salem, OR 97301-3984
Phone (503) 561-6444
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5318 | AZ | MD | Physician Assistant |
| PA164969 | OR | MD | Physician Assistant |
| PA164959 | OR | MD | Medical Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University Professional Services | Current | Accepting new patients | |
| Oregon Oncology Specialists, LLP | Current | Accepting new patients | |
| University Professional Services | Current | Accepting new patients | |
| Oregon Oncology Specialists, LLP | Past | Accepting new patients | |
| Good Samaritan Hospital Corvallis | Past | Accepting new patients | |
| University Professional Services | Past | Accepting new patients |
Locations
15700 SW Greystone Ct
Beaverton, OR 97006
Phone (503) 203-1000
2700 SE Stratus Ave
Ste A
McMinnville, OR 97128
Phone (503) 435-6590
3181 SW Sam Jackson Park Rd
Portland, OR 97239
Phone (503) 494-5674
3303 S Bond Ave
Portland, OR 97239
Phone (503) 494-3151
875 Oak St SE
Ste 4030
Salem, OR 97301
404 Welch St
Silverton, OR 97381
1475 Mount Hood Ave
Woodburn, OR 97071
Phone (503) 982-2174
Interoperability endpoints
- diana.seaders.1@17725.direct.athenahealth.com
Organizations & group practices 8
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.
-
dba Oregon Infectious Disease Specialists
- Hematology & Oncology Physician
- Salem, OR
- NPI 1013953025
-
- General Practice Physician
- Portland, OR
- NPI 1376709535
-
- Clinic/Center
- Portland, OR
- NPI 1902827272
-
dba OHSU Home Infusion Pharmacy
- Pharmacy
- Beaverton, OR
- NPI 1073054714
-
dba OHSU Avel Gordly Center for Healing
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Portland, OR
- NPI 1316354970
-
dba Samaritan Hematology & Oncology - Corvallis
- Internal Medicine Physician
- Corvallis, OR
- NPI 1962776989
-
- Hematology & Oncology Physician
- McMinnville, OR
- NPI 1649206780
-
dba University Professional Services in Medford
- Pediatrics Physician
- Medford, OR
- NPI 1225282122
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Portland, OR
- NPI 1609824010
-
- General Acute Care Hospital
- Salem, OR
- NPI 1265431829
-
- Critical Access Hospital
- Dallas, OR
- NPI 1245237486
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1354579200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765324800000",
"number": "1285979138",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "875 OAK ST SE STE 4030",
"city": "SALEM",
"state": "OR",
"postal_code": "973013984",
"telephone_number": "503-561-6444",
"fax_number": "503-561-6440"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "875 OAK ST SE STE 4030",
"city": "SALEM",
"state": "OR",
"postal_code": "973013984",
"telephone_number": "503-561-6444",
"fax_number": "503-561-6440"
}
],
"practiceLocations": [
{
"address_1": "3783 International Ct Ste 200",
"address_purpose": "LOCATION",
"city": "Springfield",
"state": "OR",
"postal_code": "974771025",
"country_code": "US",
"telephone_number": "541-302-6469",
"fax_number": "541-302-6473",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "501 NW Elks Dr Ste 100",
"address_purpose": "LOCATION",
"city": "Corvallis",
"state": "OR",
"postal_code": "973303757",
"country_code": "US",
"telephone_number": "541-768-4950",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3181 SW Sam Jackson Park Rd",
"address_purpose": "LOCATION",
"city": "Portland",
"state": "OR",
"postal_code": "972393011",
"country_code": "US",
"telephone_number": "503-494-6594",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SEADERS",
"first_name": "DIANA",
"middle_name": "M",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2012-12-04",
"last_updated": "2025-12-10",
"certification_date": "2025-12-10",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "AZ",
"license": "5318",
"primary": false
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "OR",
"license": "PA164959",
"primary": true
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "OR",
"license": "PA164969",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "767954",
"state": "AZ"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dseaderscontractstaff197038@samhealth.direct-ci.com",
"affiliation": "N",
"address_1": "501 NW Elks Dr Ste 100",
"city": "Corvallis",
"state": "OR",
"country_code": "US",
"postal_code": "973303757",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Salem, OR
- Christopher Martin Scott
- Jonah Addison Scott, BA
- Robert Tyson Scott, DPM
- Sharon Scott, MSW
- Sophie Angela Scott, LCSW
- Heather Marie Seals, LMT
- Jehan Seals
- Sean Hanson, DMD, LLC (Oregon Smile Care Center)
- Joseph Roswell Seane, DMD
- Seaport Landing Retirement & Assisted Living Community LLC (Seaport Landing Retirement & Assisted Living Community)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 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.