Peter Gierke, M.D.
Internal Medicine Physician · Prairie Du Chien, WI
Peter Gierke, M.D. is an internal medicine physician with a practice address in Prairie Du Chien, Wisconsin, and NPI 1699862698, issued on Oct 10, 2006. Check the license (Wisconsin 65895-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter Gierke
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 65895-20 WI
G83254 CA
37080 IA
Self-reported in NPPES; status is on the state search - Practice location
- 37868 US Highway 18, Prairie Du Chien, WI 53821
- Phone
- (702) 453-3799
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 23, 2025
- Fax
- (702) 453-5741
- Medicaid ID
- 00G832540 CA
- Medicare enrollment
- Enrolled (PECOS I20160823002221); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 37868 US Highway 18
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peggy Corlett, RNRegistered Nurse1275451387
- Matthew CramProfessional Counselor1669963641
- Mattison Duehr, OTOccupational Therapist1518581842
Verify Peter Gierke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65895-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
283 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 14 claims were for opioids.
Most prescribed
- Eliquis34 claims
- Metoprolol Tartrate22 claims
- Omeprazole12 claims
- Atorvastatin Calcium11 claims
- Metoprolol Succinate11 claims
- Pravastatin Sodium11 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.
Peter Gierke among 2,078 internal medicine physician records in Wisconsin
Peter Gierke, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2002 among the 1,098 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Prairie Du Chien
They are 2 of the 150 NPPES records with a practice address in Prairie Du Chien, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Prairie Du Chien → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ralph Tauke, MDPrairie Du Chien, WI 538211295739035
- Thomas Chweh, MDBoscobel, WI 538051073702361
- Thomas Pelz, DOBoscobel, WI 538051760490262
- Patrick Schweiger, MDBoscobel, WI 538051578573275
- Sindhuja Battula, MD, MSMadison, WI 537931336991215
- Hailey Adegboye, MD, PHDMadison, WI 537921366384893
- Hannah Barrus, MDMadison, WI 537921063356541
- Mark HermannMadison, WI 537921679415822
Common questions
What is Peter Gierke, M.D.'s NPI number?
Peter Gierke, M.D.'s National Provider Identifier (NPI) is 1699862698, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Gierke, M.D. located?
The NPPES record lists a practice address at 37868 US Highway 18, Prairie Du Chien, WI, 53821. Phone: (702) 453-3799. Providers update this record themselves, so call before visiting.
How can I verify Peter Gierke, M.D.'s license?
NPPES lists Wisconsin license number 65895-20, 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 Gierke, M.D. prescribe under Medicare Part D?
In 2024, Peter Gierke, M.D. had 283 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.