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Psychiatry

John L. Olsen, MD

Works at hospitals in Manitowoc, WI · Wisconsin

Summary

John L. Olsen, MD (Psychiatry) is listed by Medicare at 1 hospital in Manitowoc, WI. NPI 1033389085. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John L. Olsen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
20Years since medical school (graduated 2006)
MaleGender (as listed)
Froedtert Manitowoc Medical Group, LLCGroup practice

Quick answers

Which hospitals does John L. Olsen work at?
Medicare's official clinician data lists John L. Olsen at 1 hospital: Holy Family Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John L. Olsen see patients?
Medicare's clinician data lists 2 practice locations, including Sheboygan, WI. Call before your visit to confirm the address.
What is John L. Olsen's specialty?
Medicare lists Psychiatry as the primary specialty.
Does John L. Olsen accept Medicare assignment?
Yes. Medicare's clinician data says John L. Olsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does John L. Olsen offer telehealth?
Medicare's clinician data says John L. Olsen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John L. Olsen?
(920) 320-2436, as listed in official Medicare / NPI Registry data.
What is John L. Olsen's NPI number?
1033389085. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John L. Olsen works

Medicare's Facility Affiliation Data lists John L. Olsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John L. Olsen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John L. Olsen as a member of this group (CMS data updated 2026-10-02).

  • Froedtert Manitowoc Medical Group, LLC156 clinicians in the group

Specialties

Find other Psychiatry doctors in Wisconsin →

Other psychiatrists in Sheboygan

Clinicians with the same Medicare primary specialty in Sheboygan, WI — not a recommendation.

All psychiatrists in Sheboygan →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033389085
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians