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Physician Assistant

Riann S. Collar

Works at hospitals in Appleton, WI · Wisconsin

Summary

Riann S. Collar (Physician Assistant) is listed by Medicare at 1 hospital in Appleton, WI. NPI 1346807146. 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 Riann S. Collar, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
7Years since medical school (graduated 2019)
University Of North Dakota School Of MedicineMedical school
FemaleGender (as listed)
Ascension Medical Group-Southeast Wisconsin IncGroup practice

Quick answers

Which hospitals does Riann S. Collar work at?
Medicare's official clinician data lists Riann S. Collar at 1 hospital: Ascension NE Wisconsin - St Elizabeth Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Riann S. Collar see patients?
Medicare's clinician data lists 1 practice location in Brookfield, WI. Call before your visit to confirm the address.
What is Riann S. Collar's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Riann S. Collar accept Medicare assignment?
Yes. Medicare's clinician data says Riann S. Collar 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 Riann S. Collar offer telehealth?
Medicare's clinician data says Riann S. Collar offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Riann S. Collar?
(414) 302-5400, as listed in official Medicare / NPI Registry data.
What is Riann S. Collar's NPI number?
1346807146. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Riann S. Collar works

Medicare's Facility Affiliation Data lists Riann S. Collar 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 Riann S. Collar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Riann S. Collar as a member of this group (CMS data updated 2026-10-02).

  • Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Wisconsin →

Other physician assistants in Brookfield

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

All physician assistants in Brookfield →

Clinician information

Medical schoolUniversity Of North Dakota School Of Medicine
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346807146
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