Peter Gertonson, D.O.
Psychiatry Physician · Reedsburg, WI
Peter Gertonson, D.O. is a psychiatry physician with a practice address in Reedsburg, Wisconsin, and NPI 1336529486, issued on Jun 4, 2015. Check the license (Wisconsin 77994-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Peter Gertonson
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 77994-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1900 N Dewey Ave, Reedsburg, WI 53959
- Phone
- (608) 524-6477
- Enumerated
- Jun 4, 2015
- Record last updated
- Jul 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20230821001420); accepts Medicare assignment
- Medical or professional school
- Rocky Vista University College Of Osteopathic Med, 2015
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 1900 N Dewey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debra Adams, CNMNurse Practitioner1245225945
- Diana Anderson, RPHPharmacist1245831445
- Deanna Benish, M.D.Family Medicine Physician1386631000
- Steven Benish, PH.D.Psychologist1164685582
- Diane Bindl, CNMAdvanced Practice Midwife1407841547
- Allison Brey, PA-CPhysician Assistant1528342672
Verify Peter Gertonson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 77994-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average psychiatry physician in 2024
383 Medicare Part D claims for 39 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Fluoxetine Hcl41 claims
- Clonazepam35 claims
- Olanzapine31 claims
- Buspirone Hcl20 claims
- Sertraline Hcl20 claims
- Duloxetine Hcl19 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
- Reedsburg Area Medical Center IncReedsburg, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Gertonson among 929 psychiatry physician records in Wisconsin
Peter Gertonson, D.O. is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 22% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2015 · median 2005 among the 439 with a school on file
- Record last updated2023 · 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 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Wisconsin
There are 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Reedsburg → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kenneth Burg, M.D.Waupun, WI 539631558311613
- Todd Callister, MDWaupun, WI 539631568582807
- Bret Reynolds, M.D.New Lisbon, WI 539501053811307
- Kevin Carrigan, MDMauston, WI 539481053379586
- Linda Diraimondo, M.D.Mauston, WI 539481821159138
- Brigitte Espinoza, M.DMauston, WI 539481710265814
- Sean Ackerman, M.D.Columbus, WI 539251548559305
- Benjamin Kannenberg, MDColumbus, WI 539251861134009
Common questions
What is Peter Gertonson, D.O.'s NPI number?
Peter Gertonson, D.O.'s National Provider Identifier (NPI) is 1336529486, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Peter Gertonson, D.O. located?
The NPPES record lists a practice address at 1900 N Dewey Ave, Reedsburg, WI, 53959. Phone: (608) 524-6477. Providers update this record themselves, so call before visiting.
How can I verify Peter Gertonson, D.O.'s license?
NPPES lists Wisconsin license number 77994-21, 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 Gertonson, D.O. prescribe under Medicare Part D?
In 2024, Peter Gertonson, D.O. had 383 Medicare Part D claims for 39 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.