DIANA M SEADERS PA
NPI 1285979138
Physician Assistant - Medical in Salem, OR

Active since December 04, 2012PECOS EnrolledAccepts Medicare Assignment
82.37/100
CMS Quality Rating
875 OAK ST SE STE 4030, SALEM, OR 97301(503) 561-6444(503) 561-6440 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 10, 2025, Feb 23, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Diana M Seaders Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA M SEADERS PA (NPI 1285979138) is an individual medical provider in Salem, Oregon, licensed in Oregon (PA164959) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1285979138
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameDIANA M SEADERSCredential: PA
Location Address875 OAK ST SE STE 4030Salem, OR 97301-3984
Mailing Address875 Oak St Se Ste 4030Salem, OR 97301-3984 · (503) 561-6444 · Fax (503) 561-6440
Fax(503) 561-6440
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 4, 2012
Last NPPES UpdateDecember 10, 20254 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
NPI 1285979138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in OR · PA164959
Also ListedPhysician AssistantTaxonomy 363A00000X · License 5318 (AZ), PA164969 (OR)
875 OAK ST SE STE 4030, Salem, OR 97301

Secondary Practice Locations 3

Location 13181 SW Sam Jackson Park RdPortland, OR 97239-3011 · Phone (503) 494-6594
Location 23783 International Ct Ste 200Springfield, OR 97477-1025 · Phone (541) 302-6469 · Fax (541) 302-6473
Location 3501 NW Elks Dr Ste 100Corvallis, OR 97330-3757 · Phone (541) 768-4950

Other Identifiers 1

Medicaid767954AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Diana M Seaders Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254585441
PECOS Enrollment IDI20131204002289
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
50 services33 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
41 services34 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
24 services23 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
19 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Salem Hospital

Acute Care Hospitals · Salem, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380051
Location890 Oak Street, SESalem, OR 97301 · Marion County
Emergency services Birthing friendly

West Valley Hospital

Critical Access Hospitals · Dallas, OR
OwnershipVoluntary non-profit - Private
CMS Certification Number381308
Location525 SE Washington StreetDallas, OR 97338 · Polk County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.31
Promoting Interoperability100
Improvement Activities40
Cost46.29

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
875 OAK ST SE STE 4030
SALEM, OR 97301
Internal Medicine (Hematology & Oncology)
875 OAK ST SE STE 4030
SALEM, OR 97301
Physician Assistant
875 OAK ST SE STE 4030
SALEM, OR 97301
Internal Medicine (Hematology)
875 OAK ST SE STE 4030
SALEM, OR 97301
Nurse Practitioner (Family)
875 OAK ST SE STE 4030
SALEM, OR 97301
Nurse Practitioner (Adult Health)
875 OAK ST SE STE 4030
SALEM, OR 97301
Nurse Practitioner (Family)
875 OAK ST SE STE 4030
SALEM, OR 97301
Physician Assistant
875 OAK ST SE STE 4030
SALEM, OR 97301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285979138, enumerated as an "individual" on December 04, 2012.

The provider is located at 875 OAK ST SE STE 4030 SALEM, OR 97301 and the phone number is (503) 561-6444.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.

The provider might be accepting Accepts: BridgeSpan Health Company, Providence Health Plan,. Please consult your insurance carrier or call the provider to verify.

Diana Seaders is affiliated with: OHSU HOSPITAL AND CLINICS, SALEM HOSPITAL and WEST VALLEY HOSPITAL.