Timothy J. Thompson, MD
Internal Medicine Physician · West Allis, WI
Timothy J. Thompson, MD is an internal medicine physician with a practice address in West Allis, Wisconsin, and NPI 1689781791, issued on Aug 24, 2006. Check the license (Wisconsin 40642-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy J. Thompson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 40642-20 WI
MD195582 OR
Self-reported in NPPES; status is on the state search - Practice location
- 7450 W Oklahoma Ave, West Allis, WI 53219
- Phone
- (414) 414-8601
- Enumerated
- Aug 24, 2006
- Record last updated
- Mar 6, 2026
- Fax
- (888) 355-7019
- Medicare enrollment
- Enrolled (PECOS I20101202001195); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 7450 W Oklahoma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen McNerney, FNP-BCFamily Nurse Practitioner1003139072
Verify Timothy J. Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40642-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average internal medicine physician in 2024
5,217 Medicare Part D claims for 653 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium301 claims
- Levothyroxine Sodium203 claims
- Lisinopril178 claims
- Losartan Potassium168 claims
- Amlodipine Besylate159 claims
- Gabapentin157 claims
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.
Industry payments in 2024: $323.66
15 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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 one group practice
- Mercy Health System CorporationLake Geneva, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy J. Thompson among 2,078 internal medicine physician records in Wisconsin
Timothy J. Thompson, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1991 · median 2002 among the 1,098 with a school on file
- Record last updated2026 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 internal medicine physician records list a practice address in West Allis
They are 32 of the 1,362 NPPES records with a practice address in West Allis, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in West Allis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mesfin Abdissa, MDMilwaukee, WI 532201376579417
- Ismael Abu Limon, MDGreenfield, WI 532201467945543
- Robert Brueggeman, M.D.Greenfield, WI 532201255324273
- Cheryl Dominski, M.D.Greenfield, WI 532201285627976
- Suhaib Elobaid, M.DGreenfield, WI 532201730455189
- Michael Girolami, M.D.Greenfield, WI 532201326380726
- Champalal Gupta, M.D.Milwaukee, WI 532181962418236
- Lindsay Jo Hang, M.D.Greenfield, WI 532201770977605
Common questions
What is Timothy J. Thompson, MD's NPI number?
Timothy J. Thompson, MD's National Provider Identifier (NPI) is 1689781791, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. Thompson, MD located?
The NPPES record lists a practice address at 7450 W Oklahoma Ave, West Allis, WI, 53219. Phone: (414) 414-8601. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. Thompson, MD's license?
NPPES lists Wisconsin license number 40642-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy J. Thompson, MD prescribe under Medicare Part D?
In 2024, Timothy J. Thompson, MD had 5,217 Medicare Part D claims for 653 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.