Leonard Kessler, MD
Oncology
21+ years in practiceNPI: 1942209135Licensed in NY
About
Bio coming soon.
Are you Leonard Kessler, MD?
Claim your profile
Verify your identity, update your credentials, and take ownership of your listing on PBCMMG.
Credentials & Recognition
Specialties
Oncology
NPI sub-specialties
Internal Medicine, Hematology & Oncology207RH0003X
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
21+ years
Estimated from NPI enumeration date
Frequently Asked Questions about Dr. Leonard Kessler, MD
Where does Dr. Leonard Kessler, MD practice?+
Dr. Leonard Kessler, MD practices in New York, NY. 242 MERRICK RD
SUITE 301
ROCKVILLE CENTRE, NY 115705254.
What is Dr. Leonard Kessler, MD's phone number?+
Dr. Leonard Kessler, MD's practice phone is 516-536-1455. Office contact information is verified on the PBCMMG profile.
What does Dr. Leonard Kessler, MD specialize in?+
Dr. Leonard Kessler, MD's primary specialty is Oncology.
Is Dr. Leonard Kessler, MD board certified?+
Board certification status for Dr. Leonard Kessler, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Leonard Kessler, MD been practicing?+
Dr. Leonard Kessler, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Leonard Kessler, MD's NPI number?+
Dr. Leonard Kessler, MD's National Provider Identifier (NPI) is 1942209135, registered in the federal NPPES registry.
Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards
See an error? info@pbcmmg.com
Are you Leonard Kessler, MD?
Claim & complete your profile →Verify identity, upload proof, and update credentials. Approval typically 1-2 business days.