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Physician Assistant

Kelsey G. Sullivan, PA

Works at hospitals in Missoula, MT · Montana

Summary

Kelsey G. Sullivan, PA is a physician assistant at 601 W Spruce St, Suite K, Missoula, MT 59802. Phone: (406) 327-1950. Accepts Medicare assignment. In 2024, Kelsey G. Sullivan had 117 Original Medicare patients and 236 services. NPI 1518153543. 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.

  • Specialty: Physician assistant
  • Address: 601 W Spruce St, Suite K, Missoula, MT 59802 · Directions
  • Phone: (406) 327‑1950
  • Medicare: Accepts Medicare assignment
  • Hospital: St. Patrick Hospital
  • Group practice: Providence Health and Services Mt
  • School: graduated 2007
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelsey G. Sullivan, 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 Kelsey G. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Kelsey G. Sullivan 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 Kelsey G. Sullivan see?
In 2024, CMS data shows 117 Original Medicare patients and 236 services for Kelsey G. Sullivan. This counts Original Medicare only and measures volume, not quality.
What is Kelsey G. Sullivan's NPI number?
1518153543. 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 Kelsey G. Sullivan, 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 patients117
Services billed to Medicare236
Different services or procedures17
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)96 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)42 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)32 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 services
  5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)11 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 pressure74%
  • Arthritis58%
  • High cholesterol55%
  • Heart failure36%
  • Diabetes35%
  • Chronic kidney disease34%

Hospitals where Kelsey G. Sullivan works

Medicare's Facility Affiliation Data lists Kelsey G. Sullivan 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.

  • St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014

Practice locations

Addresses where Kelsey G. Sullivan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelsey G. Sullivan as a member of this group (CMS data updated October 2, 2026).

  • Providence Health and Services Mt362 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 Providence Health and Services Mt

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

Clinician information

CredentialPA
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518153543
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