John Leo Olsen, M.D.
Psychiatry Physician · Manitowoc, WI
John Leo Olsen, M.D. is a psychiatry physician with a practice address in Manitowoc, Wisconsin, and NPI 1033389085, issued on Mar 6, 2008. Check the license (Wisconsin 54385-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Leo Olsen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 54385-020 WI
67965261205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1650 S 41St St, Manitowoc, WI 54220
- Phone
- (920) 320-2436
- Enumerated
- Mar 6, 2008
- Record last updated
- Apr 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20101108001454); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 1650 S 41St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suraiya Afroz, D.O.Rheumatology Physician1750776266
- Jeffrey Allen, MDFamily Medicine Physician1962410514
- Nicole Artamenko, FNP-CFamily Nurse Practitioner1083312409
- Thomas Asuma, ATC, LATAthletic Trainer1881650083
- David Augustine, M.D.Family Medicine Physician1619083185
- Barbara Backus, N.P.Family Nurse Practitioner1013023597
Verify John Leo Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54385-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average psychiatry physician in 2024
2,104 Medicare Part D claims for 147 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Escitalopram Oxalate141 claims
- Trazodone Hcl138 claims
- Aripiprazole132 claims
- Bupropion Xl112 claims
- Lamotrigine99 claims
- Mirtazapine93 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.
Industry payments in 2024: $15.59
1 payment: food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Froedtert Manitowoc Medical Group, LLCSheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Leo Olsen among 929 psychiatry physician records in Wisconsin
John Leo Olsen, M.D. 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 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2006 · median 2005 among the 439 with a school on file
- Record last updated2022 · 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 Manitowoc → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Geralyn Carducci, DOManitowoc, WI 542201790869717
- Cheong Chan, M.D.Manitowoc, WI 542201922395623
- Caroline Poirier, M.D.Manitowoc, WI 542201750564266
- Basil Spyropoulos, M.D.Manitowoc, WI 542201649209594
- Candace Cohen, M.D.Sturgeon Bay, WI 542351811927916
- Anne Miller, MDSturgeon Bay, WI 542351639166457
- Colleen O'Rourke, MDSturgeon Bay, WI 542351568523330
- Priscilla Hidalgo, MDTwo Rivers, WI 542411447416672
Common questions
What is John Leo Olsen, M.D.'s NPI number?
John Leo Olsen, M.D.'s National Provider Identifier (NPI) is 1033389085, issued on Mar 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Leo Olsen, M.D. located?
The NPPES record lists a practice address at 1650 S 41St St, Manitowoc, WI, 54220. Phone: (920) 320-2436. Providers update this record themselves, so call before visiting.
How can I verify John Leo Olsen, M.D.'s license?
NPPES lists Wisconsin license number 54385-020, 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 John Leo Olsen, M.D. prescribe under Medicare Part D?
In 2024, John Leo Olsen, M.D. had 2,104 Medicare Part D claims for 147 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.