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Nurse Practitioner

Karlee R. Hamilton, NP

Works at hospitals in Great Falls, MT · Helena, MT · Montana

Summary

Karlee R. Hamilton, NP is a nurse practitioner at 915 1st Ave S, Great Falls, MT 59401. Phone: (406) 791-9599. Accepts Medicare assignment. In 2024, Karlee R. Hamilton had 58 Original Medicare patients and 146 services. NPI 1184238776. 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 Karlee R. Hamilton, 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 Karlee R. Hamilton accept Medicare assignment?
Yes. Medicare's clinician data says Karlee R. Hamilton 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 Karlee R. Hamilton see?
In 2024, CMS data shows 58 Original Medicare patients and 146 services for Karlee R. Hamilton. This counts Original Medicare only and measures volume, not quality.
What is Karlee R. Hamilton's NPI number?
1184238776. 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 Karlee R. Hamilton, 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 patients58
Services billed to Medicare146
Different services or procedures4
Participating Medicare providerYes
Average age of these patients54

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)114 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)27 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 pressure55%
  • Anxiety50%
  • High cholesterol43%
  • Depression41%
  • Diabetes29%
  • Arthritis19%

Hospitals where Karlee R. Hamilton works

Medicare's Facility Affiliation Data lists Karlee R. Hamilton 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.

  • Benefis Hospitals IncGreat Falls, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270012
  • St Peters HealthHelena, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270003

Practice locations

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

Group practices

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

  • Center for Mental Health13 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Montana →

Other nurse practitioners in Great Falls

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

All nurse practitioners in Great Falls →

Other clinicians in Center for Mental Health

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

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184238776
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