DIANA M SEADERS (PA) – Medical Physician Assistant, NPI 1285979138
Medical Physician Assistant
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,876 PHYSICIAN ASSISTANT in OR
Provider Addresses for DIANA M SEADERS (PA)
875 OAK ST SE STE 4030
SALEM, OR 973013984
Phone: (503) 561-6444
Fax: (503) 561-6440
Type: Mailing
501 NW Elks Dr Ste 100
Corvallis, OR 973303757
Phone: (541) 768-4950
Type: Location
3783 International Ct Ste 200
Springfield, OR 974771025
Phone: (541) 302-6469
Fax: (541) 302-6473
Type: Location
3181 SW Sam Jackson Park Rd
Portland, OR 972393011
Phone: (503) 494-6594
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $1,963.
Total Amount is formed as General ($1,963) + Research ($0) + Ownership ($0) = $1,963.
Last reported payment date: 2024-11-05 • Largest payer in this snapshot: Janssen Biotech, Inc. ($1,051).
Total Amount
$1,963
General + Research + Ownership
Payments
39
Total payment records
General Amount
$1,963
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $1,051 |
| Genentech, Inc. | $226 |
| Janssen Scientific Affairs, LLC | $98 |
| Astellas Pharma US Inc | $67 |
| PFIZER INC. | $54 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2013-12-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20131204002289 | I | Physician Assistant | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 173 | 92 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 49 | 34 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 22 | 16 | $0 |
Insurance plans in this area (ZIP 97301)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| Diagnostic Radiology | TN | |
| - | OR | |
| Nurse Practitioner | OR | |
| - | OR | |
| - | OR | |
| General Surgery, Thoracic Surgery | WA | |
| - | OR | |
| - | OR | |
| - | WA |
Reviews
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