Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Physician Assistant

Sophia R. Vivant, PA

Works at hospitals in Plains, MT · Missoula, MT · Deer Lodge, MT … · Montana

Summary

Sophia R. Vivant, PA is a physician assistant at 700 W Kent Ave, Missoula, MT 59801. Phone: (406) 541-3937. Accepts Medicare assignment. In 2024, Sophia R. Vivant had 511 Original Medicare patients and 1,204 services. NPI 1912675216. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Sophia R. Vivant, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sophia R. Vivant accept Medicare assignment?
Yes. Medicare's clinician data says Sophia R. Vivant accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sophia R. Vivant see?
In 2024, CMS data shows 511 Original Medicare patients and 1,204 services for Sophia R. Vivant. This counts Original Medicare only and measures volume, not quality.
What is Sophia R. Vivant's NPI number?
1912675216. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sophia R. Vivant, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients511
Services billed to Medicare1,204
Different services or procedures32
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)303 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)270 services
  3. Diagnostic exam of voice box using a flexible endoscope (31575)256 services
  4. Exam of ear using a microscope (92504)97 services
  5. Removal of impacted ear wax (69210)89 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure60%
  • High cholesterol57%
  • Arthritis38%
  • Ischemic heart disease21%
  • Depression21%
  • Anxiety19%

Hospitals where Sophia R. Vivant works

Medicare's Facility Affiliation Data lists Sophia R. Vivant at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Clark Fork Valley HospitalPlains, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271323
  • Community Medical CenterMissoula, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270023
  • Deer Lodge Medical CenterDeer Lodge, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271314
  • St James HospitalButte, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270017
  • St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014

Practice locations

Addresses where Sophia R. Vivant is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sophia R. Vivant as a member of this group (CMS data updated October 2, 2026).

  • Rocky Mountain Ear Nose and Throat Center PC18 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Montana →

Other physician assistants in Missoula

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

All physician assistants in Missoula →

Other clinicians in Rocky Mountain Ear Nose and Throat Center PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912675216
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians