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Dermatology

Ashley N. Feneran, DO

Sees patients in Wheaton, IL · Illinois

Summary

Dr. Ashley N. Feneran, DO is a dermatologist at 199 Town Sq, A, Wheaton, IL 60187. Phone: (630) 871-6690. Accepts Medicare assignment. In 2024, Ashley N. Feneran had 585 Original Medicare patients and 2,617 services. NPI 1225303407. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 199 Town Sq, A, Wheaton, IL 60187 · Directions
  • Phone: (630) 871‑6690
  • Medicare: Accepts Medicare assignment
  • Group practice: Dupage Medical Group Ltd
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley N. Feneran, 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 Ashley N. Feneran accept Medicare assignment?
Yes. Medicare's clinician data says Ashley N. Feneran 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 Ashley N. Feneran see?
In 2024, CMS data shows 585 Original Medicare patients and 2,617 services for Ashley N. Feneran. This counts Original Medicare only and measures volume, not quality.
What is Ashley N. Feneran's NPI number?
1225303407. 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 Ashley N. Feneran, 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 patients585
Services billed to Medicare2,617
Different services or procedures70
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)684 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)422 services
  3. Pathology examination of tissue using a microscope, intermediate complexity (88305)303 services
  4. Destruction of precancer skin growth, 1 growth (17000)245 services
  5. Destruction of skin growth, 1-14 growths (17110)177 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 cholesterol73%
  • High blood pressure61%
  • Arthritis41%
  • Ischemic heart disease21%
  • Osteoporosis21%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%

Practice locations

Addresses where Ashley N. Feneran is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashley N. Feneran as a member of this group (CMS data updated October 2, 2026).

  • Dupage Medical Group Ltd1,322 clinicians in the group

Specialties

Find other Dermatology doctors in Illinois →

Other dermatologists in Wheaton

Clinicians with the same Medicare primary specialty in Wheaton, IL — not a recommendation.

All dermatologists in Wheaton →

Other clinicians in Dupage Medical Group Ltd

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

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225303407
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians