Peter R. Harnish, MD
Family Medicine Physician · Madison, WI
Peter R. Harnish, MD is a family medicine physician with a practice address in Madison, Wisconsin, and NPI 1194777599, issued on May 16, 2006. Check the license (Wisconsin 41405-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter R. Harnish
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 41405-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1821 S Stoughton RD, Madison, WI 53716
- Phone
- (608) 260-6000
- Enumerated
- May 16, 2006
- Record last updated
- Nov 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 260-6366
- Medicaid ID
- 1194777599 WI
- Medicare enrollment
- Enrolled (PECOS I20100304000314); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1821 S Stoughton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter R. Harnish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 41405-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,159 Medicare Part D claims for 534 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 234 claims were for opioids.
Most prescribed
- Atorvastatin Calcium651 claims
- Omeprazole372 claims
- Amlodipine Besylate298 claims
- Levothyroxine Sodium243 claims
- Metformin Hcl Er221 claims
- Lisinopril205 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter R. Harnish among 3,765 family medicine physician records in Wisconsin
Peter R. Harnish, MD 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
- Graduated1998 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 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).
284 family medicine physician records list a practice address in Madison
They are 284 of the 15,014 NPPES records with a practice address in Madison, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Madison → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel Barry, MDMadison, WI 537161255381026
- Calvin Bruce, MDMadison, WI 537161508824665
- Robert Cambray, M.D.Madison, WI 537161194712786
- Derek Clevidence, MD, PHDMonona, WI 537161093774135
- Ann Evensen, MDMonona, WI 537161801855812
- Ellen Flannery, MDMadison, WI 537161194787416
- Gaspar Giorgi, M.D.Madison, WI 537161558323592
- Karen Lentfer, M.D.Madison, WI 537161245289008
Common questions
What is Peter R. Harnish, MD's NPI number?
Peter R. Harnish, MD's National Provider Identifier (NPI) is 1194777599, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter R. Harnish, MD located?
The NPPES record lists a practice address at 1821 S Stoughton RD, Madison, WI, 53716. Phone: (608) 260-6000. Providers update this record themselves, so call before visiting.
How can I verify Peter R. Harnish, MD's license?
NPPES lists Wisconsin license number 41405-020, 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 R. Harnish, MD prescribe under Medicare Part D?
In 2024, Peter R. Harnish, MD had 8,159 Medicare Part D claims for 534 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.