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Physician Assistant

Theodore Preiss, PA

Works at hospitals in Big Sky, MT · Bozeman, MT · Ennis, MT · Montana

Summary

Theodore Preiss, PA (Physician Assistant) is listed by Medicare at 3 hospitals in Big Sky, MT, Bozeman, MT and Ennis, MT. NPI 1528193265. 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 Theodore Preiss, 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
35Years since medical school (graduated 1991)
MaleGender (as listed)
Bozeman Health Deaconess HospitalGroup practice

Quick answers

Which hospitals does Theodore Preiss work at?
Medicare's official clinician data lists Theodore Preiss at 3 hospitals: Bozeman Health Big Sky Medical Center, Bozeman Health Deaconess Hospital and Madison Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Theodore Preiss see patients?
Medicare's clinician data lists 4 practice locations, including Bozeman, MT. Call before your visit to confirm the address.
What is Theodore Preiss's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Theodore Preiss accept Medicare assignment?
Yes. Medicare's clinician data says Theodore Preiss 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 Theodore Preiss offer telehealth?
Medicare's clinician data says Theodore Preiss offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Theodore Preiss?
(406) 414-3780, as listed in official Medicare / NPI Registry data.
What is Theodore Preiss's NPI number?
1528193265. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Theodore Preiss works

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

  • 875 S Cottonwood RdBozeman, MT 59718
  • 925 Highland BlvdBozeman, MT 59715
  • 925 Highland Blvd, Suite 1220Bozeman, MT 59715 (406) 414‑3780
  • 937 Highland BlvdBozeman, MT 59715

Group practices

Medicare enrollment lists Theodore Preiss as a member of this group (CMS data updated 2026-10-02).

  • Bozeman Health Deaconess Hospital320 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Montana →

Other physician assistants in Bozeman

Clinicians with the same Medicare primary specialty in Bozeman, MT — not a recommendation.

All physician assistants in Bozeman →

Clinician information

CredentialPA
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528193265
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