Doctor profile · Federal record

Dr. Samuel Valdivia

Physician Assistant · Student in an Organized Health Care Education/Training Program · Portland, OR

  • NPI 1003439084
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 4 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
501 N Graham St Medical Office Building 2, Suite 220
Portland, OR 97227
(503) 413-6200
Additional location
1701 Sw Columbia St Apt 404
Portland, OR 972012592
(602) 403-5363
Additional location
222 Se 8Th Ave Ste 536
Hillsboro, OR 971234218
(503) 352-7272
Mailing address
1701 Sw Columbia St Apt 404
Portland, OR 972012592

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
October 28, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oregon #PA213719

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003439084. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$436
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $365.27
Atricure, INC. 1 $27.30
Abbott Laboratories 1 $22.62
Baxter Healthcare 1 $20.80

By nature of payment

Travel and Lodging
$337
Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
34
Total drug cost
$179
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 13 12 $49
Potassium Chloride Generic 12 11 $62
Furosemide Generic 11 0 $12
Omeprazole Generic 11 11 $57

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Valdivia's medical specialty?
Dr. Samuel Valdivia practices Physician Assistant in Portland, OR.
Where does Dr. Samuel Valdivia practice?
Dr. Samuel Valdivia practices at 501 N Graham St Medical Office Building 2, Portland, OR 97227. Office phone: 5034136200.
What is Dr. Samuel Valdivia's NPI?
Dr. Samuel Valdivia's National Provider Identifier (NPI) is 1003439084, issued by NPPES.
Does Dr. Samuel Valdivia accept Medicare assignment?
Yes. Dr. Samuel Valdivia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.