Doctor profile · Federal record

Dr. Thomas Wimmer, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Rheumatology Physician · Hospitalist Physician · Tualatin, OR

  • NPI 1083725097
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
19185 Sw 90Th Ave
Tualatin, OR 970627558
(503) 813-2000
Additional location
9205 Sw Barnes RD
Portland, OR 972256603
(503) 216-2906
fax (503) 216-4114
Mailing address
500 Ne Multnomah St Ste 100
Portland, OR 972322031

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 22, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Oregon #MD152492 · Washington #MD60063843
Medicaid
OR #500631982

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083725097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
2
Medicare allowed
$21,662
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 95 93 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 52 51 $177

In context: peer comparison

Among 9 peers in Tualatin Internal Medicine Physician, average services per provider: 91. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $123.92
Genentech USA, INC. 1 $15.41

By nature of payment

Food and Beverage
$139

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Wimmer's medical specialty?
Dr. Thomas Wimmer practices Internal Medicine Physician in Tualatin, OR.
Where does Dr. Thomas Wimmer practice?
Dr. Thomas Wimmer practices at 19185 Sw 90Th Ave, Tualatin, OR 970627558. Office phone: 5038132000.
What is Dr. Thomas Wimmer's NPI?
Dr. Thomas Wimmer's National Provider Identifier (NPI) is 1083725097, issued by NPPES.
Does Dr. Thomas Wimmer accept Medicare assignment?
Yes. Dr. Thomas Wimmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Wimmer commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.