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Dermatology

Heather M. Wells-Holtey, MD

Sees patients in Mequon, WI · Milwaukee, WI · Wisconsin

Summary

Dr. Heather M. Wells-Holtey, MD is a dermatologist at 12831 N Port Washington Rd, Mequon, WI 53097. Phone: (262) 643-1300. Accepts Medicare assignment. In 2024, Heather M. Wells-Holtey had 409 Original Medicare patients and 1,717 services. NPI 1447320403. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 12831 N Port Washington Rd, Mequon, WI 53097 · Directions (1 more location)
  • Phone: (262) 643‑1300
  • Medicare: Accepts Medicare assignment
  • Group practice: Madison Medical Affiliates Inc
  • Medical school: University Of Wisconsin School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Heather M. Wells-Holtey, 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 Heather M. Wells-Holtey accept Medicare assignment?
Yes. Medicare's clinician data says Heather M. Wells-Holtey 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 Heather M. Wells-Holtey see?
In 2024, CMS data shows 409 Original Medicare patients and 1,717 services for Heather M. Wells-Holtey. This counts Original Medicare only and measures volume, not quality.
What is Heather M. Wells-Holtey's NPI number?
1447320403. 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 Heather M. Wells-Holtey, 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 patients409
Services billed to Medicare1,717
Different services or procedures28
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)573 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)368 services
  3. Destruction of precancer skin growth, 1 growth (17000)242 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)213 services
  5. Destruction of skin growth, 1-14 growths (17110)124 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 pressure61%
  • Arthritis44%
  • Osteoporosis23%
  • Ischemic heart disease22%
  • Anxiety21%

Practice locations

Addresses where Heather M. Wells-Holtey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Heather M. Wells-Holtey as a member of this group (CMS data updated October 2, 2026).

  • Madison Medical Affiliates Inc86 clinicians in the group

Specialties

Find other Dermatology doctors in Wisconsin →

Other dermatologists in Mequon

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

All dermatologists in Mequon →

Other clinicians in Madison Medical Affiliates Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447320403
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