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Nurse Practitioner

Sharon M. Herndon, NP

Works at hospitals in Hamilton, MT · Missoula, MT · Montana

Summary

Sharon M. Herndon, NP is a nurse practitioner at 2230 N Reserve St, Suite 402, Missoula, MT 59808. Phone: (406) 721-0533. Accepts Medicare assignment. In 2024, Sharon M. Herndon had 374 Original Medicare patients and 693 services. NPI 1558884064. 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 Sharon M. Herndon, 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 Sharon M. Herndon accept Medicare assignment?
Yes. Medicare's clinician data says Sharon M. Herndon 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 Sharon M. Herndon see?
In 2024, CMS data shows 374 Original Medicare patients and 693 services for Sharon M. Herndon. This counts Original Medicare only and measures volume, not quality.
What is Sharon M. Herndon's NPI number?
1558884064. 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 Sharon M. Herndon, 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 patients374
Services billed to Medicare693
Different services or procedures39
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)195 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)136 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)53 services
  4. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)36 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)36 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 pressure63%
  • High cholesterol55%
  • Arthritis39%
  • Anxiety22%
  • Diabetes21%
  • Depression20%

Hospitals where Sharon M. Herndon works

Medicare's Facility Affiliation Data lists Sharon M. Herndon 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.

Practice locations

Addresses where Sharon M. Herndon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sharon M. Herndon as a member of these groups (CMS data updated October 2, 2026).

  • RCHP Billings - Missoula LLC69 clinicians in the group
  • Sapphire Community Health Inc40 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Montana →

Other nurse practitioners in Missoula

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

All nurse practitioners in Missoula →

Other clinicians in RCHP Billings - Missoula LLC

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

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558884064
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