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Internal Medicine

Ashly N. Fisher, DO

Works at hospitals in Saint Louis, MO · Washington, MO · Missouri

Summary

Dr. Ashly N. Fisher, DO is an internal medicine doctor at 20 The Legends Pkwy, Eureka, MO 63025. Phone: (636) 549-0100. Accepts Medicare assignment. In 2024, Ashly N. Fisher had 117 Original Medicare patients and 339 services. NPI 1255750907. 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: 20 The Legends Pkwy, Eureka, MO 63025 · Directions (1 more location)
  • Phone: (636) 549‑0100
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mercy Hospital South, Mercy Hospital St Louis, Mercy Hospital Washington
  • Group practice: Mercy Clinic East Communities (+1 more)
  • Medical school: Kansas City University Of Med & Biosciences, College Of Osteo Med · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ashly N. Fisher, 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 Ashly N. Fisher accept Medicare assignment?
Yes. Medicare's clinician data says Ashly N. Fisher 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 Ashly N. Fisher see?
In 2024, CMS data shows 117 Original Medicare patients and 339 services for Ashly N. Fisher. This counts Original Medicare only and measures volume, not quality.
What is Ashly N. Fisher's NPI number?
1255750907. 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 Ashly N. Fisher, 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 patients117
Services billed to Medicare339
Different services or procedures20
Participating Medicare providerYes
Average age of these patients72

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)98 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)69 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 services
  4. Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)17 services
  5. Administration of pneumococcal vaccine (G0009)17 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 cholesterol68%
  • High blood pressure65%
  • Arthritis40%
  • Anxiety28%
  • Ischemic heart disease25%
  • Depression21%

Hospitals where Ashly N. Fisher works

Medicare's Facility Affiliation Data lists Ashly N. Fisher 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 Ashly N. Fisher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashly N. Fisher as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Clinic East Communities571 clinicians in the group
  • Aging Well Health Care, LLC238 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Eureka

Clinicians with the same Medicare primary specialty in Eureka, MO — not a recommendation.

All internal medicine doctors in Eureka →

Other clinicians in Mercy Clinic East Communities

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

Clinician information

CredentialDO
Medical schoolKansas City University Of Med & Biosciences, College Of Osteo Med
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255750907
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