Doctor profile · Federal record

Dr. Diana Seaders, PA

Medical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Physician Assistant · Salem, OR

  • NPI 1285979138
  • Accepts Medicare
  • MIPS 76.5 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
875 Oak St Se Ste 4030
Salem, OR 973013984
(503) 561-6444
fax (503) 561-6440
Additional location
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-6594
Additional location
3783 International CT Ste 200
Springfield, OR 974771025
(541) 302-6469
fax (541) 302-6473
Show 1 more location
Additional location
501 Nw Elks Dr Ste 100
Corvallis, OR 973303757
(541) 768-4950

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
December 10, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State licenses (3)
Oregon #PA164959 · Arizona #5318 · Oregon #PA164969
Medicaid
AZ #767954

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285979138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
3
Medicare allowed
$15,145
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 173 92 $64
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 49 34 $39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 16 $96

In context: peer comparison

Among 14 peers in Salem Medical Physician Assistant, average services per provider: 71. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,114
Transactions
17
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 5 $707.80
Genentech, INC. 2 $132.20
Astellas Pharma US INC 2 $67.40
Pfizer INC. 2 $53.81
SpringWorks Therapeutics, INC. 1 $36.34
Genzyme Corporation 1 $31.63
Novartis Pharmaceuticals Corporation 1 $26.18
GlaxoSmithKline, LLC. 1 $22.91
Daiichi Sankyo INC. 1 $19.26
Acrotech Biopharma INC. 1 $16.15

By nature of payment

Food and Beverage
$1,014
Education
$100

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Seaders's medical specialty?
Dr. Diana Seaders practices Medical Physician Assistant in Salem, OR.
Where does Dr. Diana Seaders practice?
Dr. Diana Seaders practices at 875 Oak St Se Ste 4030, Salem, OR 973013984. Office phone: 5035616444.
What is Dr. Diana Seaders's NPI?
Dr. Diana Seaders's National Provider Identifier (NPI) is 1285979138, issued by NPPES.
Does Dr. Diana Seaders accept Medicare assignment?
Yes. Dr. Diana Seaders accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Seaders commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.