Eric A. Gaumnitz, MD
Gastroenterology Physician · Madison, WI
Eric A. Gaumnitz, MD is a gastroenterology physician with a practice address in Madison, Wisconsin, and NPI 1356318943, issued on Mar 2, 2006. Check the license (Wisconsin 33630, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Eric A. Gaumnitz
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 33630 WI
Self-reported in NPPES; status is on the state search - Practice location
- 451 Junction RD, Madison, WI 53717
- Phone
- (608) 263-8094
- Enumerated
- Mar 2, 2006
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 263-8474
- Medicare enrollment
- Enrolled (PECOS I20100319000675); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at 451 Junction RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Albino, AGNPNurse Practitioner1568238095
- Nicole Amass, NPNurse Practitioner1992769509
- Christopher Anderson, MDInternal Medicine Physician1245869973
- India Anderson-CarterObstetrics & Gynecology Physician1750910667
- Jon Arnason, MDRheumatology Physician1265760433
- William Aughenbaugh, MDDermatology Physician1033178272
Verify Eric A. Gaumnitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average gastroenterology physician in 2024
436 Medicare Part D claims for 225 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Omeprazole127 claims
- Gavilyte-C126 claims
- Famotidine31 claims
- Pantoprazole Sodium20 claims
- Diltiazem 24hr Er (Cd)19 claims
- Dupixent Pen14 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric A. Gaumnitz among 340 gastroenterology physician records in Wisconsin
Eric A. Gaumnitz, MD 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
- Graduated1989 · median 2003 among the 239 with a school on file
- Record last updated2021 · 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).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
All 340 in Wisconsin → Every provider in Madison → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Deepak Gopal, MDMadison, WI 537171518911064
- John Rice, M.D.Madison, WI 537171740493352
- Sumona Saha, M.D.Madison, WI 537171720204605
- Anurag Soni, MDMadison, WI 537171215924816
- Arnold Wald, MDMadison, WI 537171063488419
- Gabrielle Waclawik, MDMadison, WI 537181538622543
- Michael Allan, MDMadison, WI 537151558300822
- Geoffrey Dang-Vu, M.D.Madison, WI 537151548648280
Common questions
What is Eric A. Gaumnitz, MD's NPI number?
Eric A. Gaumnitz, MD's National Provider Identifier (NPI) is 1356318943, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric A. Gaumnitz, MD located?
The NPPES record lists a practice address at 451 Junction RD, Madison, WI, 53717. Phone: (608) 263-8094. Providers update this record themselves, so call before visiting.
How can I verify Eric A. Gaumnitz, MD's license?
NPPES lists Wisconsin license number 33630, 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 Eric A. Gaumnitz, MD prescribe under Medicare Part D?
In 2024, Eric A. Gaumnitz, MD had 436 Medicare Part D claims for 225 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.