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

Nurse Practitioner

Gayle R. Johnson

Works at hospitals in Oskaloosa, IA · Iowa

Summary

Gayle R. Johnson is a nurse practitioner at 112 S Main St, New Sharon Medical Clinic, New Sharon, IA 50207. Phone: (641) 637-2651. Accepts Medicare assignment. In 2024, Gayle R. Johnson had 123 Original Medicare patients and 1,164 services. NPI 1447808092. 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: Nurse practitioner
  • Address: 112 S Main St, New Sharon Medical Clinic, New Sharon, IA 50207 · Directions (3 more locations)
  • Phone: (641) 637‑2651
  • Medicare: Accepts Medicare assignment
  • Hospital: Mahaska Health Partnership
  • Group practice: Mahaska County Hospital
  • School: graduated 2019
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Gayle R. Johnson, 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 Gayle R. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Gayle R. Johnson 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 Gayle R. Johnson see?
In 2024, CMS data shows 123 Original Medicare patients and 1,164 services for Gayle R. Johnson. This counts Original Medicare only and measures volume, not quality.
What is Gayle R. Johnson's NPI number?
1447808092. 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 Gayle R. Johnson, 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 patients123
Services billed to Medicare1,164
Different services or procedures52
Participating Medicare providerYes
Average age of these patients75

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)218 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. Injection, dexamethasone sodium phosphate, 1 mg (J1100)128 services
  4. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)105 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)46 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 pressure70%
  • High cholesterol67%
  • Arthritis42%
  • Diabetes32%
  • Anxiety29%
  • Depression24%

Hospitals where Gayle R. Johnson works

Medicare's Facility Affiliation Data lists Gayle R. Johnson 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.

  • Mahaska Health PartnershipOskaloosa, IA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 161379

Practice locations

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

Group practices

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

  • Mahaska County Hospital128 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Iowa →

Other nurse practitioners in New Sharon

Clinicians with the same Medicare primary specialty in New Sharon, IA — not a recommendation.

All nurse practitioners in New Sharon →

Other clinicians in Mahaska County Hospital

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

Clinician information

Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447808092
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