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SISSELMAN MEDICAL GROUP, PC

At Sisselman Medical Group, PC, we pride ourselves on providing the best possible patient care, while using today's latest medical technology and diagnostic testing. Our teams at our Commack and Massapequa offices are committed to treating each patient as if she/he were a member of our own family. Sisselman Medical Group, PC is a state-of-the-art medical practice catering to the needs of men, women, and families throughout the Long Island area. Dr. Stephen Sisselman is Board Certified in Internal Medicine, and Dr. Jill Sisselman is Board Certified in Family Medicine. They care for patients ages 12 and up, and their care encompasses Adolescents and Women's Health as well. They provide the latest technology and compassionate care. With offices in both Massapequa and Commack, our offices are sure to be convenient to both you and your family.

SISSELMAN MEDICAL GROUP, PC

At Sisselman Medical Group, PC, we pride ourselves on providing the best possible patient care, while using today's latest medical technology and diagnostic testing. Our teams at our Commack and Massapequa offices are committed to treating each patient as if she/he were a member of our own family. Sisselman Medical Group, PC is a state-of-the-art medical practice catering to the needs of men, women, and families throughout the Long Island area. Dr. Stephen Sisselman is Board Certified in Internal Medicine, and Dr. Jill Sisselman is Board Certified in Family Medicine. They care for patients ages 12 and up, and their care encompasses Adolescents and Women's Health as well. They provide the latest technology and compassionate care. With offices in both Massapequa and Commack, our offices are sure to be convenient to both you and your family.

Our Services

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After-Hours Care

Sisselman Medical Group should be your first call for care. We have same day appointments available for sick visits, and urgent care is often fragmented care and may not be any shorter a wait than with us. We are open some mornings before 8 am and some evenings until 7 pm and every Saturday from 8 am till 1 pm.

We have a provider with access to your chart available 24 hours a day. For care that cannot wait until we re-open, our on-call answering service can be reached at 1-800-474-1125 to connect you with one of our providers.

Our Services

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Why Choose Us

Dr. Stephen Sisselman is Board Certified in Internal Medicine, and Dr. Jill Sisselman is Board Certified in Family Medicine. They care for patients ages 12 and up, and their care encompasses Adolescents and Women's Health as well. They provide the latest technology and compassionate care. With offices in both Massapequa and Commack, our offices are sure to be convenient to both you and your family.

Why Choose Us | Sisselman Medical Group

Why Choose Us

Dr. Stephen Sisselman is Board Certified in Internal Medicine, and Dr. Jill Sisselman is Board Certified in Family Medicine. They care for patients ages 12 and up, and their care encompasses Adolescents and Women's Health as well. They provide the latest technology and compassionate care. With offices in both Massapequa and Commack, our offices are sure to be convenient to both you and your family.

Why Choose Us | Sisselman Medical Group

About us

Personalized Treatment


Each patient is unique, and so should your treatment

Caring Physicians


We take pride in the care we provide each of our patients

Experience Says it All


Our staff has all of the right experience and knowledge

Two Convenient Locations


Offices in Massapequa and Commack  for your convenience

Insurances Accepted


We work with almost all major insurance carriers

Pay Online


We make payments easy

What People Say About Us

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