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Dermatology

Marc K. Rubenzik, MD

Sees patients in San Diego, CA · California

Summary

Dr. Marc K. Rubenzik, MD is a dermatologist at 4647 Zion Ave, San Diego, CA 92120. Phone: (619) 528-5000. Accepts Medicare assignment. NPI 1326240557. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 4647 Zion Ave, San Diego, CA 92120 · Directions (1 more location)
  • Phone: (619) 528‑5000
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: University Of Arizona College Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Marc K. Rubenzik, 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 Marc K. Rubenzik accept Medicare assignment?
Yes. Medicare's clinician data says Marc K. Rubenzik 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 Marc K. Rubenzik's NPI number?
1326240557. 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 Marc K. Rubenzik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marc K. Rubenzik as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All dermatologists in San Diego →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326240557
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