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Internal Medicine

Stephanie K. Stone, DO

Works at hospitals in American Fork, UT · Provo, UT · Utah

Summary

Dr. Stephanie K. Stone, DO is an internal medicine doctor at 170 N 1100, American Fork, UT 84003. Accepts Medicare assignment. In 2024, Stephanie K. Stone had 219 Original Medicare patients and 463 services. NPI 1821520966. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 170 N 1100, American Fork, UT 84003 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospitals: American Fork Hospital, Intermountain Health Utah Valley Hospital
  • Group practice: Ihc Health Services Inc
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie K. Stone, 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 Stephanie K. Stone accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie K. Stone 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 Stephanie K. Stone see?
In 2024, CMS data shows 219 Original Medicare patients and 463 services for Stephanie K. Stone. This counts Original Medicare only and measures volume, not quality.
What is Stephanie K. Stone's NPI number?
1821520966. 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 Stephanie K. Stone, 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 patients219
Services billed to Medicare463
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)182 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)120 services
  3. Hospital discharge day management, more than 30 minutes (99239)65 services
  4. Hospital discharge day management, 30 minutes or less (99238)52 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)21 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 pressure75%
  • High cholesterol73%
  • Arthritis49%
  • Chronic kidney disease49%
  • Diabetes48%
  • Depression40%

Hospitals where Stephanie K. Stone works

Medicare's Facility Affiliation Data lists Stephanie K. Stone 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 Stephanie K. Stone is enrolled with Medicare (CMS data updated October 2, 2026).

  • 170 N 1100American Fork, UT 84003
  • 700 S Hwy 99, Suite 3Fillmore, UT 84631

Group practices

Medicare enrollment lists Stephanie K. Stone as a member of this group (CMS data updated October 2, 2026).

  • Ihc Health Services Inc3,960 clinicians in the group

Specialties

Find other Internal Medicine doctors in Utah →

Other internal medicine doctors in American Fork

Clinicians with the same Medicare primary specialty in American Fork, UT — not a recommendation.

All internal medicine doctors in American Fork →

Other clinicians in Ihc Health Services Inc

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

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821520966
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