Alexa J. Karkenny, MD

Practice locations

Addresses where Alexa J. Karkenny is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 E 210th StBronx, NY 10467 (718) 920‑4321

Group practices

Medicare enrollment lists Alexa J. Karkenny as a member of this group (CMS data updated October 2, 2026).

• Montefiore Medical Center2,820 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in Bronx

Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.

• Nicholas A. Bavaro, MD
• Ferdinand J. Chan, MD
• Craig Lomita, MD
• Mohamed A. Ahmed, MD
• Ronald Huang, MD
• Benjamin Levy, MD
• Steven A. Renzoni, MD
• Karthikeyan Chinnakkannu, MD

All orthopedic surgeons in Bronx →

Other clinicians in Montefiore Medical Center

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

• Myreille Polycarpe, MD
• Charlene N. Abraham
• Esther Rong, MD
• Galia Spassova, PT
• Kenedy Degracia
• Vineet R. Jain, MD

Clinician information

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