Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John James Troyer

Individual provider Certified Registered Nurse Anesthetist · NPI 1023740701

John James Troyer is registered under Certified Registered Nurse Anesthetist (CRNA) in Manitowoc, Wisconsin. Qualified in 2022, 4 years ago. Practices with Froedtert Manitowoc Medical Group, LLC, a 157-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
4
Licensed in
WI
In the registry since
2022
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Practice location Address checks out

Hfm Medical Center 2300 Western Ave
Manitowoc, WI 54220
Phone: (920) 320-2011
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 138502 (WI)

Record details

NPI number1023740701
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 30, 2022
Last updated in NPPESJune 30, 2022
Certification dateJune 21, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Froedtert Manitowoc Medical Group, Llc — 157 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients134
Services billed 175 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Holy Family Memorial Hospital · Manitowoc, WI

Colleagues at Froedtert Manitowoc Medical Group, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 157 clinicians in the practice; 12 are shown here.

Other providers in Manitowoc