Thomas G. Wimmer, MD
Internal Medicine Physician · Tualatin, OR
Thomas G. Wimmer, MD is an internal medicine physician with a practice address in Tualatin, Oregon, and NPI 1083725097, issued on Aug 31, 2006. Check the license (Oregon MD152492, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas G. Wimmer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD152492 OR
MD60063843 WA
Self-reported in NPPES; status is on the state search - Practice location
- 19185 SW 90TH Ave, Tualatin, OR 97062
- Phone
- (503) 813-2000
- Enumerated
- Aug 31, 2006
- Record last updated
- Oct 22, 2025
- Medicaid ID
- 500631982 OR
- Medicare enrollment
- Enrolled (PECOS I20090420000011); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 19185 SW 90TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas G. Wimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD152492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
123 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $139.33
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Kaiser Foundation Health Plan OF The NorthwestVancouver, WA
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas G. Wimmer among 2,116 internal medicine physician records in Oregon
Thomas G. Wimmer, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2008 among the 1,232 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 internal medicine physician records list a practice address in Tualatin
They are 44 of the 863 NPPES records with a practice address in Tualatin, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Tualatin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tammi Boston, MDTualatin, OR 970621033184593
- Jaymee Delaney, MDTualatin, OR 970621003864687
- John Forsythe, MDTualatin, OR 970621134188386
- Jeffrey Fullman, MDTualatin, OR 970621932178951
- Gwen Grewe, M.D.Tualatin, OR 970621326014234
- Tana Haynes, M.D.Tualatin, OR 970621639160369
- Mark McKinstry, MDTualatin, OR 970621073582383
- Suzanne Migchelbrink, MDTualatin, OR 970621174592190
Common questions
What is Thomas G. Wimmer, MD's NPI number?
Thomas G. Wimmer, MD's National Provider Identifier (NPI) is 1083725097, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas G. Wimmer, MD located?
The NPPES record lists a practice address at 19185 SW 90TH Ave, Tualatin, OR, 97062. Phone: (503) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Thomas G. Wimmer, MD's license?
NPPES lists Oregon license number MD152492, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas G. Wimmer, MD prescribe under Medicare Part D?
In 2024, Thomas G. Wimmer, MD had 123 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas G. Wimmer, MD's MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.