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Dermatology

Nichelle K. Madden, DO

Sees patients in Casa Grande, AZ · Mesa, AZ · Phoenix, AZ … · Arizona

Summary

Dr. Nichelle K. Madden, DO is a dermatologist at 1876 E Sabin Dr, Bldg B, Casa Grande, AZ 85122. Phone: (480) 982-3337. Accepts Medicare assignment. In 2024, Nichelle K. Madden had 352 Original Medicare patients and 1,734 services. NPI 1952793408. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 1876 E Sabin Dr, Bldg B, Casa Grande, AZ 85122 · Directions (3 more locations)
  • Phone: (480) 982‑3337
  • Medicare: Accepts Medicare assignment
  • Group practice: AZ Dermatology LLC (+1 more)
  • Medical school: Des Moines University Of Osteopathic Medicine And Health Sciences · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nichelle K. Madden, 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 Nichelle K. Madden accept Medicare assignment?
Yes. Medicare's clinician data says Nichelle K. Madden 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 Nichelle K. Madden see?
In 2024, CMS data shows 352 Original Medicare patients and 1,734 services for Nichelle K. Madden. This counts Original Medicare only and measures volume, not quality.
What is Nichelle K. Madden's NPI number?
1952793408. 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 Nichelle K. Madden, 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 patients352
Services billed to Medicare1,734
Different services or procedures85
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)346 services
  2. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)195 services
  3. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)100 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
  5. Destruction of precancer skin growth, 1 growth (17000)93 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 pressure62%
  • Arthritis41%
  • Ischemic heart disease21%
  • Chronic kidney disease20%
  • Diabetes19%

Practice locations

Addresses where Nichelle K. Madden is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nichelle K. Madden as a member of these groups (CMS data updated October 2, 2026).

  • AZ Dermatology LLC21 clinicians in the group
  • Phoenix Skin II PC9 clinicians in the group

Specialties

Find other Dermatology doctors in Arizona →

Other dermatologists in Casa Grande

Clinicians with the same Medicare primary specialty in Casa Grande, AZ — not a recommendation.

All dermatologists in Casa Grande →

Other clinicians in AZ Dermatology LLC

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

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952793408
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