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Dermatology

Zachary Kwapnoski, MD

Sees patients in Santa Rosa, CA · Ukiah, CA · California

Summary

Dr. Zachary Kwapnoski, MD is a dermatologist at 2725 Mendocino Ave, Santa Rosa, CA 95403. Phone: (707) 545-4537. Accepts Medicare assignment. NPI 1013531987. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 2725 Mendocino Ave, Santa Rosa, CA 95403 · Directions (1 more location)
  • Phone: (707) 545‑4537
  • Medicare: Accepts Medicare assignment
  • Group practice: Redwood Fam Dermatology Medical Associates - A Medical Corporation
  • Medical school: Nebraska College Of Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary Kwapnoski, 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 Zachary Kwapnoski accept Medicare assignment?
Yes. Medicare's clinician data says Zachary Kwapnoski 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.
What is Zachary Kwapnoski's NPI number?
1013531987. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Zachary Kwapnoski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary Kwapnoski as a member of this group (CMS data updated October 2, 2026).

  • Redwood Fam Dermatology Medical Associates - A Medical Corporation17 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in Santa Rosa

Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.

All dermatologists in Santa Rosa →

Other clinicians in Redwood Fam Dermatology Medical Associates - A Medical Corporation

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

Clinician information

CredentialMD
Medical schoolNebraska College Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013531987
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians