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Dermatology

Sarah G. Hostetler, MD

Works at hospitals in Wausau, WI · Wisconsin

Summary

Dr. Sarah G. Hostetler, MD is a dermatologist at 1901 Westwood Ctr Blvd, Wausau, WI 54401. Phone: (715) 344-1600. Accepts Medicare assignment. In 2024, Sarah G. Hostetler had 615 Original Medicare patients and 2,157 services. NPI 1861654014. 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: Dermatologist (Medicare lists Dermatology)
  • Address: 1901 Westwood Ctr Blvd, Wausau, WI 54401 · Directions (2 more locations)
  • Phone: (715) 344‑1600
  • Medicare: Accepts Medicare assignment
  • Hospital: Aspirus Wausau Hospital
  • Group practice: Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc. (+1 more)
  • Medical school: Ohio State University College Of Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah G. Hostetler, 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 Sarah G. Hostetler accept Medicare assignment?
Yes. Medicare's clinician data says Sarah G. Hostetler 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 Sarah G. Hostetler see?
In 2024, CMS data shows 615 Original Medicare patients and 2,157 services for Sarah G. Hostetler. This counts Original Medicare only and measures volume, not quality.
What is Sarah G. Hostetler's NPI number?
1861654014. 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 Sarah G. Hostetler, 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 patients615
Services billed to Medicare2,157
Different services or procedures49
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)544 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)412 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)280 services
  4. Destruction of precancer skin growth, 1 growth (17000)214 services
  5. Destruction of skin growth, 1-14 growths (17110)175 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 cholesterol75%
  • High blood pressure65%
  • Arthritis37%
  • Diabetes21%
  • Ischemic heart disease19%
  • Anxiety17%

Hospitals where Sarah G. Hostetler works

Medicare's Facility Affiliation Data lists Sarah G. Hostetler 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.

  • Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030

Practice locations

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

Group practices

Medicare enrollment lists Sarah G. Hostetler as a member of these groups (CMS data updated October 2, 2026).

  • Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
  • Aspirus Wausau Hospital Inc237 clinicians in the group

Specialties

Find other Dermatology doctors in Wisconsin →

Other dermatologists in Wausau

Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.

All dermatologists in Wausau →

Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.

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

Clinician information

CredentialMD
Medical schoolOhio State University College Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861654014
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