Doctor profile · Federal record

Dr. Mara Peterson, MD

Internal Medicine Physician (CMS: Internal Medicine) · Oregon City, OR

  • NPI 1659950194
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Division St
Oregon City, OR 970451527
(503) 650-6270
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
September 30, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD215039

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659950194. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $14.44

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
0
Total drug cost
$21,099
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 19 0 $104
Levothyroxine Sodium Generic 16 0 $276
Spironolactone Generic 14 0 $285
Humalog Kwikpen U-100 (Insulin Lispro) Brand 13 0 $19,793
Metoprolol Succinate Generic 13 0 $132
Tamsulosin Hcl Generic 13 0 $206
Torsemide Generic 12 0 $200
Atorvastatin Calcium Generic 11 0 $103

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mara Peterson's medical specialty?
Dr. Mara Peterson practices Internal Medicine Physician in Oregon City, OR.
Where does Dr. Mara Peterson practice?
Dr. Mara Peterson practices at 1500 Division St, Oregon City, OR 970451527. Office phone: 5036506270.
What is Dr. Mara Peterson's NPI?
Dr. Mara Peterson's National Provider Identifier (NPI) is 1659950194, issued by NPPES.
Does Dr. Mara Peterson accept Medicare assignment?
Yes. Dr. Mara Peterson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.