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Dermatology

Yolanda R. Helfrich, MD

Works at hospitals in Kalamazoo, MI · Ann Arbor, MI · Michigan

Summary

Dr. Yolanda R. Helfrich, MD is a dermatologist at 1500 E Medical Ctr Dr, Ann Arbor, MI 48109. Phone: (734) 936-4185. Accepts Medicare assignment. In 2024, Yolanda R. Helfrich had 354 Original Medicare patients and 1,337 services. NPI 1003903873. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Yolanda R. Helfrich, 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 Yolanda R. Helfrich accept Medicare assignment?
Yes. Medicare's clinician data says Yolanda R. Helfrich 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 Yolanda R. Helfrich see?
In 2024, CMS data shows 354 Original Medicare patients and 1,337 services for Yolanda R. Helfrich. This counts Original Medicare only and measures volume, not quality.
What is Yolanda R. Helfrich's NPI number?
1003903873. 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 Yolanda R. Helfrich, 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 patients354
Services billed to Medicare1,337
Different services or procedures34
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)432 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)162 services
  3. Destruction of precancer skin growth, 1 growth (17000)131 services
  4. Biopsy of related skin growth, first growth (11102)115 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 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 blood pressure66%
  • High cholesterol62%
  • Arthritis41%
  • Diabetes22%
  • Depression21%
  • Anxiety21%

Hospitals where Yolanda R. Helfrich works

Medicare's Facility Affiliation Data lists Yolanda R. Helfrich 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 Yolanda R. Helfrich is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Yolanda R. Helfrich as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of Michigan3,346 clinicians in the group

Specialties

Find other Dermatology doctors in Michigan →

Other dermatologists in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All dermatologists in Ann Arbor →

Other clinicians in Regents of the University of Michigan

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003903873
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