David Gerard Rzepczynski, M.D.
Gastroenterology Physician · Elkhorn, WI
David Gerard Rzepczynski, M.D. is a gastroenterology physician with a practice address in Elkhorn, Wisconsin, and NPI 1497862817, issued on Aug 23, 2006. Check the license (Wisconsin 74250, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Gerard Rzepczynski
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 74250 WI
036-063747 IL
Self-reported in NPPES; status is on the state search - Practice location
- W3985 County Road NN, Elkhorn, WI 53121
- Phone
- (262) 741-2000
- Enumerated
- Aug 23, 2006
- Record last updated
- Oct 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 036-063747 IL
- Medicare enrollment
- Enrolled (PECOS I20040511001561); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →
Also registered at W3985 County Road NN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Earl Banken, RPHPharmacist1922599638
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Verify David Gerard Rzepczynski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average gastroenterology physician in 2024
379 Medicare Part D claims for 172 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Gavilyte-G58 claims
- Sod Sulf-Potass Sulf-Mag Sulf46 claims
- Omeprazole40 claims
- Linzess32 claims
- Peg-3350 And Electrolytes23 claims
- Esomeprazole Magnesium19 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
- Osf Multi-Specialty GroupUrbana, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Gerard Rzepczynski among 340 gastroenterology physician records in Wisconsin
David Gerard Rzepczynski, 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
- Graduated1980 · median 2003 among the 239 with a school on file
- Record last updated2020 · 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 Elkhorn → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Abdullah Fayyad, MDElkhorn, WI 531211568466019
- Jimmy Kim, M.D.Cudahy, WI 531101861587263
- Venelin Kounev, MDCudahy, WI 531101902979750
- Sotirios Vasilopoulos, M.D.Cudahy, WI 531101568432912
- Ramakrishna Venugopalan, MDBurlington, WI 531051265428775
- Peter Han, M.D.Kenosha, WI 531421477583359
- Marc Kennedy, M.D.Kenosha, WI 531421710900667
- Woosuk Park, MDKenosha, WI 531421366453656
Common questions
What is David Gerard Rzepczynski, M.D.'s NPI number?
David Gerard Rzepczynski, M.D.'s National Provider Identifier (NPI) is 1497862817, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Gerard Rzepczynski, M.D. located?
The NPPES record lists a practice address at W3985 County Road NN, Elkhorn, WI, 53121. Phone: (262) 741-2000. Providers update this record themselves, so call before visiting.
How can I verify David Gerard Rzepczynski, M.D.'s license?
NPPES lists Wisconsin license number 74250, 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 David Gerard Rzepczynski, M.D. prescribe under Medicare Part D?
In 2024, David Gerard Rzepczynski, M.D. had 379 Medicare Part D claims for 172 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.