Peter Jospeh Eichenseer, M.D.
Gastroenterology Physician · Menomonee Falls, WI
Peter Jospeh Eichenseer, M.D. is a gastroenterology physician with a practice address in Menomonee Falls, Wisconsin, and NPI 1821289141, issued on Aug 5, 2007. Check the license (Wisconsin 61054, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter Jospeh Eichenseer
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 61054 WI
125.052595 IL
Self-reported in NPPES; status is on the state search - Practice location
- W129N7055 Northfield Dr, Menomonee Falls, WI 53051
- Phone
- (262) 253-5400
- Enumerated
- Aug 5, 2007
- Record last updated
- Aug 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (262) 253-3339
- Medicaid ID
- 1821289141 WI
- Medicare enrollment
- Enrolled (PECOS I20130919000529); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at W129N7055 Northfield Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karin Alexander, PAPhysician Assistant1588711121
- Daniel Allison, MDFamily Medicine Physician1518109735
- Anne Amani, FNP-BCFamily Nurse Practitioner1285064162
- Betsy Baranek, PAMedical Physician Assistant1164539649
- Brett Barkimer, M.D.Internal Medicine Physician1255540134
- Jeffrey Bejma, MDUrology Physician1770707358
Verify Peter Jospeh Eichenseer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average gastroenterology physician in 2024
942 Medicare Part D claims for 514 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Gavilyte-G192 claims
- Peg-3350 And Electrolytes129 claims
- Pantoprazole Sodium107 claims
- Omeprazole100 claims
- Cholestyramine37 claims
- Lubiprostone31 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
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncNew Berlin, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Jospeh Eichenseer among 340 gastroenterology physician records in Wisconsin
Peter Jospeh Eichenseer, 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 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2007 · median 2003 among the 239 with a school on file
- Record last updated2013 · 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 Menomonee Falls → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Melissa Earnest, M.D.Menomonee Falls, WI 530511023154903
- Dana LeyMenomonee Falls, WI 530511215433735
- Shaibal Mazumdar, M.D.Menomonee Falls, WI 530511093749566
- Syed Mehdi, M.D.Menomonee Falls, WI 530511518931138
- Michael Strupp, M.D.Summit, WI 530661992144844
- Tatyana Taranukha, M.D.Summit, WI 530661124361639
- Nimish Vakil, M.D.Summit, WI 530661336124585
- Nadia HuqHartford, WI 530271487073862
Common questions
What is Peter Jospeh Eichenseer, M.D.'s NPI number?
Peter Jospeh Eichenseer, M.D.'s National Provider Identifier (NPI) is 1821289141, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Jospeh Eichenseer, M.D. located?
The NPPES record lists a practice address at W129N7055 Northfield Dr, Menomonee Falls, WI, 53051. Phone: (262) 253-5400. Providers update this record themselves, so call before visiting.
How can I verify Peter Jospeh Eichenseer, M.D.'s license?
NPPES lists Wisconsin license number 61054, 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 Peter Jospeh Eichenseer, M.D. prescribe under Medicare Part D?
In 2024, Peter Jospeh Eichenseer, M.D. had 942 Medicare Part D claims for 514 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.