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Dermatology

Barbara S. Drozdowski, MD

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

Summary

Dr. Barbara S. Drozdowski, MD is a dermatologist at 441 120th Ave, Holland, MI 49424. Phone: (616) 738-3997. Accepts Medicare assignment. In 2024, Barbara S. Drozdowski had 456 Original Medicare patients and 11,917 services. NPI 1134157720. 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: Dermatologist (Medicare lists Dermatology)
  • Address: 441 120th Ave, Holland, MI 49424 · Directions
  • Phone: (616) 738‑3997
  • Medicare: Accepts Medicare assignment
  • Hospitals: Holland Hospital, Trinity Health Ann Arbor Hospital
  • Group practice: Barbara S. Drozdowski MD, PC
  • Medical school: Wayne State University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Barbara S. Drozdowski, 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 Barbara S. Drozdowski accept Medicare assignment?
Yes. Medicare's clinician data says Barbara S. Drozdowski 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 Barbara S. Drozdowski see?
In 2024, CMS data shows 456 Original Medicare patients and 11,917 services for Barbara S. Drozdowski. This counts Original Medicare only and measures volume, not quality.
What is Barbara S. Drozdowski's NPI number?
1134157720. 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 Barbara S. Drozdowski, 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 patients456
Services billed to Medicare11,917
Different services or procedures49
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Ultrasonic guidance for placement of radiation therapy fields (G6001)849 services
  2. Obtaining data needed to develop the optimal radiation treatment, 1 treatment area (77280)807 services
  3. Superficial and/or low voltage radiation treatment delivery (77401)779 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)529 services
  5. Destruction of precancer skin growth, 2-14 growths (17003)339 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 cholesterol67%
  • High blood pressure64%
  • Arthritis45%
  • Chronic kidney disease21%
  • Anxiety20%
  • Diabetes19%

Hospitals where Barbara S. Drozdowski works

Medicare's Facility Affiliation Data lists Barbara S. Drozdowski 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.

  • Holland HospitalHolland, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230072
  • Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156

Practice locations

Addresses where Barbara S. Drozdowski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Barbara S. Drozdowski as a member of this group (CMS data updated October 2, 2026).

  • Barbara S. Drozdowski MD, PC2 clinicians in the group

Specialties

Find other Dermatology doctors in Michigan →

Other dermatologists in Holland

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

All dermatologists in Holland →

Other clinicians in Barbara S. Drozdowski MD, PC

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134157720
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