Thomas R. Puetz, M.D.
Gastroenterology Physician · Mequon, WI
Thomas R. Puetz, M.D. is a gastroenterology physician with a practice address in Mequon, Wisconsin, and NPI 1295765287, issued on Jul 4, 2006. Check the license (Wisconsin 32359, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas R. Puetz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 32359 WI
Self-reported in NPPES; status is on the state search - Practice location
- 12203 Corporate Pkwy, Mequon, WI 53092
- Phone
- (262) 387-8200
- Enumerated
- Jul 4, 2006
- Record last updated
- Oct 7, 2025
- Fax
- (262) 387-8271
- Medicaid ID
- 31770900 WI
- Medicare enrollment
- Enrolled (PECOS I20060124000962); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 12203 Corporate Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mikhail Eiseler, DOFamily Medicine Physician1568843696
Verify Thomas R. Puetz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average gastroenterology physician in 2024
1,019 Medicare Part D claims for 441 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Peg 3350-Electrolyte266 claims
- Pantoprazole Sodium186 claims
- Mesalamine56 claims
- Famotidine55 claims
- Motegrity51 claims
- Cholestyramine32 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.
Bills Medicare through one group practice
- Aurora Advanced Healthcare, Inc.Mequon, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas R. Puetz among 340 gastroenterology physician records in Wisconsin
Thomas R. Puetz, M.D. is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% 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, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1990 · median 2003 among the 239 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 gastroenterology physician records list a practice address in Mequon
They are 9 of the 1,048 NPPES records with a practice address in Mequon, and 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Mequon → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Edward Hurtte, MDMequon, WI 530921699336446
- Lilani Perera, MDMequon, WI 530921669559969
- Raman Khanna, M.D.West Bend, WI 530951083645410
- Madhuri Trivedi, M.D.West Bend, WI 530951467415604
- Keely BrowningMequon, WI 530971144676727
- Drew Elgin, M.D.Mequon, WI 530971154358869
- Vijay Khiani, M.D.Mequon, WI 530971518168749
- Eugene Kligman, M.D.Mequon, WI 530971265872998
Common questions
What is Thomas R. Puetz, M.D.'s NPI number?
Thomas R. Puetz, M.D.'s National Provider Identifier (NPI) is 1295765287, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas R. Puetz, M.D. located?
The NPPES record lists a practice address at 12203 Corporate Pkwy, Mequon, WI, 53092. Phone: (262) 387-8200. Providers update this record themselves, so call before visiting.
How can I verify Thomas R. Puetz, M.D.'s license?
NPPES lists Wisconsin license number 32359, 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 Thomas R. Puetz, M.D. prescribe under Medicare Part D?
In 2024, Thomas R. Puetz, M.D. had 1,019 Medicare Part D claims for 441 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.