Leonard Kessler, MD - Internal Medicine in Rockville Centre, NY

Leonard Kessler, MD is a Internal Medicine - Hematology & Oncology physician based in Rockville Centre, New York. Leonard Kessler is licensed to practice in New York (license number 127415) and his current practice location is 242 Merrick Rd, Suite 301, Rockville Centre, New York. He can be reached at his office (for appointments etc.) via phone at (516) 536-1455.

NPI number for Leonard Kessler is 1942209135 and his current mailing address is 242 Merrick Rd, Suite 301, Rockville Centre, New York. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1942209135.

Contact Information

Leonard Kessler, MD
242 Merrick Rd, Suite 301,
Rockville Centre, NY 11570-5254
(516) 536-1455
(516) 536-1598



Physician's Profile

Full NameLeonard Kessler
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location242 Merrick Rd, Rockville Centre, New York
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1942209135
  • Provider Enumeration Date: 07/19/2005
  • Last Update Date: 12/07/2009

Medical Identifiers

Medical identifiers for Leonard Kessler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942209135NPI-NPPES
00479570MedicaidNY
W15181OtherGROUP#

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 127415 (New York)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Leonard Kessler is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Leonard Kessler, MD
242 Merrick Rd, Suite 301,
Rockville Centre, NY 11570-5254

Ph: (516) 536-1455
Leonard Kessler, MD
242 Merrick Rd, Suite 301,
Rockville Centre, NY 11570-5254

Ph: (516) 536-1455

News Archive

African study finds link between difficult childhood and teenage drinking

An African study has found a link between a difficult childhood and alcohol consumption as a teenager. Researchers writing in BioMed Central's open access journal Child and Adolescent Psychiatry and Mental Health studied the association between adverse childhood experiences and drunkenness among 9,189 adolescents aged 12-19 years living in Burkina Faso, Ghana, Malawi, and Uganda.

Many older adults with HIV have unprotected sex

One out of three sexually active older adults infected with HIV has unprotected sex, according to a study by Ohio University researchers.

Antioxidant supplements beta carotene, vitamin A and E may increase risk of death

Contradicting claims of disease prevention, an analysis of previous studies indicates that the antioxidant supplements beta carotene, vitamin A, and vitamin E may increase the risk of death, according to a meta-analysis and review article in the February 28 issue of JAMA: The Journal of the American Medical Association.

No surprise - teens in the UK need more sunshine!

A British scientist suggests that some adolescents in Britain might not be getting enough sunlight to satisfy their body's requirement for vitamin D throughout the year.

Read more News

› Verified 3 days ago


Internal Medicine Doctors in Rockville Centre, NY

Manish B Undavia, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 242 Merrick Rd, Suite 402, Rockville Centre, NY 11570
Phone: 516-763-2800    
Richard Horowitz, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 242 Merrick Rd, Suite 402, Rockville Centre, NY 11570
Phone: 516-763-2800    
Nenad Grlic, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 N. Village Avenue, Rockville Centre, NY 11571
Phone: 516-705-1818    
Mary K Leung, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 242 Merrick Rd Ste 301, Rockville Centre, NY 11570
Phone: 516-536-1455    Fax: 516-536-1598
Richard M. Lee, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 242 Merrick Rd, Suite 301, Rockville Centre, NY 11570
Phone: 516-536-1455    Fax: 516-536-1598
Varvara Alexiadis, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 242 Merrick Rd, Ste 403, Rockville Centre, NY 11570
Phone: 516-536-3700    Fax: 516-536-4309
Dr. Ellen Haig, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Lincoln Ave, Suite 201, Rockville Centre, NY 11570
Phone: 516-536-0600    Fax: 516-536-0694

Find & Compare Providers Near You: Find and compare doctors, nursing homes, hospitals, and other health care providers in your area that accept Medicare. Get information like: Find a doctor or clinician that accepts Medicare near you.

Doctors and clinicians: Doctors and clinicians include doctors, clinicians and groups who are qualified to practice in many specialties. Each specialty focuses on certain parts of the body, periods of life, conditions, or primary care. The doctors, clinicians, and groups listed here typically work in an office or clinic setting. Also those who currently accept Medicare are included.

Hospitals: Find information about Medicare-certified hospitals and long-term care hospitals in your area, including Veterans Administration medical centers and military hospitals, across the country. Long-term care hospitals serve critically ill and medically complex patients who require extended hospital care.

Data provided: Information on www.medicareusa.org is built using open data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA).

© 2024 MedicareUsa. All rights reserved. Maintained by the Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services.