Thomas C. Puchner, MD
Allergy & Immunology (Internal Medicine) Physician · Fitchburg, WI
Thomas C. Puchner, MD is an allergy & immunology (internal medicine) physician with a practice address in Fitchburg, Wisconsin, and NPI 1134180045, issued on Mar 30, 2006. Check the license (Wisconsin 27062, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas C. Puchner
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 27062 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5763 N Hill CT, Fitchburg, WI 53711
- Phone
- (608) 278-8303
- Enumerated
- Mar 30, 2006
- Record last updated
- Aug 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 22 in Wisconsin → Look up another NPI →
Verify Thomas C. Puchner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 27062Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
41 Medicare Part D claims, against an average of 789 among the 429 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.
Thomas C. Puchner among 22 allergy & immunology (internal medicine) physician records in Wisconsin
Thomas C. Puchner, MD is one of 22 allergy & immunology (internal medicine) physician records with a practice address in Wisconsin. 86% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 41% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Wisconsin
There are 22 allergy & immunology (internal medicine) physician records in Wisconsin.
All 22 in Wisconsin → Every provider in Fitchburg → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- William Busse, MDMadison, WI 537051881661486
- Sujani Kakumanu, M.D.Madison, WI 537921568413839
- Delena Nguyen, MDMadison, WI 537921922757582
- Robert Kriz, MDVerona, WI 535931861468712
- Abhilash Vaishnav, MDDe Pere, WI 541151063529170
- Kelsey Finkel, MDMilwaukee, WI 532261346701505
- Brock Sherman, M.D.Milwaukee, WI 532091225062524
- Mary Rolfes-Lo, M.D.Oak Creek, WI 531541508839838
Common questions
What is Thomas C. Puchner, MD's NPI number?
Thomas C. Puchner, MD's National Provider Identifier (NPI) is 1134180045, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas C. Puchner, MD located?
The NPPES record lists a practice address at 5763 N Hill CT, Fitchburg, WI, 53711. Phone: (608) 278-8303. Providers update this record themselves, so call before visiting.
How can I verify Thomas C. Puchner, MD's license?
NPPES lists Wisconsin license number 27062, 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 C. Puchner, MD prescribe under Medicare Part D?
In 2024, Thomas C. Puchner, MD had 41 Medicare Part D claims; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.