Peter C. Keenan, M.D.
Family Medicine Physician · Keshena, WI
Peter C. Keenan, M.D. is a family medicine physician with a practice address in Keshena, Wisconsin, and NPI 1043250665, issued on Jun 8, 2006. Check the license (Wisconsin 38809-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter C. Keenan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 38809-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- W3275 Wolf River Road, Keshena, WI 54135
- Phone
- (715) 799-3361
- Enumerated
- Jun 8, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (715) 799-3099
- Medicaid ID
- 32372700 WI
- Medicare enrollment
- Enrolled (PECOS I20040820000051); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at W3275 Wolf River Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter C. Keenan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 38809-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average family medicine physician in 2024
2,595 Medicare Part D claims for 176 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 119 claims were for opioids.
Most prescribed
- Gabapentin151 claims
- Atorvastatin Calcium138 claims
- Lisinopril117 claims
- Albuterol Sulfate Hfa111 claims
- Amlodipine Besylate81 claims
- Duloxetine Hcl77 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
- Menominee Indian Tribe OF WisconsinKeshena, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter C. Keenan among 3,765 family medicine physician records in Wisconsin
Peter C. Keenan, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2007 among the 2,347 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Keshena
They are 10 of the 58 NPPES records with a practice address in Keshena, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Keshena → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mary Callis, MDKeshena, WI 541351730334020
- John Culhane, M.D.Keshena, WI 541351780624395
- Shannon Daun, MDKeshena, WI 541351487636072
- Beth Gillis, MDKeshena, WI 541351245262351
- Joseph Guenther, M.D.Keshena, WI 541351720028343
- Heather Nennig, MDKeshena, WI 541351174902209
- Estelle Ostgard, MDKeshena, WI 541351518213115
- Amy Slagle, M.D.Keshena, WI 541351225078835
Common questions
What is Peter C. Keenan, M.D.'s NPI number?
Peter C. Keenan, M.D.'s National Provider Identifier (NPI) is 1043250665, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter C. Keenan, M.D. located?
The NPPES record lists a practice address at W3275 Wolf River Road, Keshena, WI, 54135. Phone: (715) 799-3361. Providers update this record themselves, so call before visiting.
How can I verify Peter C. Keenan, M.D.'s license?
NPPES lists Wisconsin license number 38809-020, 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 C. Keenan, M.D. prescribe under Medicare Part D?
In 2024, Peter C. Keenan, M.D. had 2,595 Medicare Part D claims for 176 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.