Doctor profile · Federal record

Dr. John Adair, PA-C

Physician Assistant · Irrigon, OR

  • NPI 1578873477
  • Accepts Medicare
  • MIPS 87.5 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
220 Main Street
Irrigon, OR 97844
(541) 922-5880
fax (541) 922-5881
Additional location
1623 N 1St St
Hermiston, OR 978381106
(458) 300-9014
fax (458) 300-9015
Mailing address
600 Nw 11Th St, Ste E15
Hermiston, OR 978388602

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Profile last updated
August 18, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oregon #PA153109

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578873477. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$134
Transactions
9
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 9 $133.52

By nature of payment

Food and Beverage
$134

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,268
Patients
815
Total drug cost
$48,780
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 447 102 $6,555
Atorvastatin Calcium Generic 402 118 $6,283
Amlodipine Besylate Generic 330 70 $2,957
Lisinopril Generic 292 68 $3,247
Omeprazole Generic 231 59 $3,191
Metoprolol Succinate Generic 225 50 $4,538
Gabapentin Generic 208 48 $6,480
Potassium Chloride Generic 204 48 $4,595
Losartan Potassium Generic 176 46 $2,475
Metformin Hcl Generic 156 44 $2,113

Frequently asked questions

Auto-generated from federal data
What is Dr. John Adair's medical specialty?
Dr. John Adair practices Physician Assistant in Irrigon, OR.
Where does Dr. John Adair practice?
Dr. John Adair practices at 220 Main Street, Irrigon, OR 97844. Office phone: 5419225880.
What is Dr. John Adair's NPI?
Dr. John Adair's National Provider Identifier (NPI) is 1578873477, issued by NPPES.
Does Dr. John Adair accept Medicare assignment?
Yes. Dr. John Adair accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.