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Dr. Jennifer DeMarco, DO

Concierge Family Medicine physician, Rockville Centre, NY

SignatureMD

Dr. DeMarco is a concierge family medicine physician who has partnered with SignatureMD and has practiced in Rockville Centre since 2001.

2000 N. Village Avenue, Suite 314, Rockville Centre, NY 11570
At a glance
Practice model
Concierge medicine through SignatureMD
Board certification
Family medicine

Facts on this page last checked October 2026. How we check doctors

About Dr. DeMarco

Dr. DeMarco studied at the NYIT College of Osteopathic Medicine. She completed a family practice internship and residency at Long Beach Medical Center in 2001. She has practiced medicine in Rockville Centre since 2001, in the Ryan Building at Mercy Medical Center, and has an additional office in Amityville.

She uses nutrition and supplements, essential oils and osteopathic manipulation to treat the body, mind and spirit, alongside traditional medicine. She has a passion for patient counseling, including a strong interest in supporting people affected by addiction. She volunteers her time raising awareness of the benefits of Fertility Awareness Based Methods.

In her downtime she enjoys sailing with friends, coaching boys' basketball and singing in a rock band.

Membership and fees

Dr. DeMarco has partnered with SignatureMD to offer a concierge medicine program.

SignatureMD members can reach their concierge doctor by phone, email or text at any time, can usually be seen the same day or the next business day, and get access to a prescription savings program.

Services

Osteopathic manipulation Nutrition and supplements Essential oils Patient counseling Addiction support
What family medicine doctors commonly treat

Education and credentials

Degree
DO
Medical school
NYIT College of Osteopathic Medicine
Residency
Family Practice internship and residency, Long Beach Medical Center (2001)
Board certification
Family medicine
Professional memberships
American Osteopathic Association, American College of Osteopathic Family Physicians
NPI
1265611131

Hospital and practice affiliations

Partnered with SignatureMD for concierge medicine

Location

2000 N. Village Avenue, Suite 314, Rockville Centre, NY 11570
SignatureMD practice page
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Questions patients ask

Does Dr. DeMarco offer a concierge membership?

Yes, Dr. DeMarco is a concierge family medicine physician who has partnered with SignatureMD to offer a concierge medicine program.

What do SignatureMD members get?

SignatureMD members can reach their concierge doctor by phone, email or text at any time. They can usually be seen the same day or the next business day, and they get access to a prescription savings program.

Is Dr. DeMarco board certified?

Yes, Dr. DeMarco is a board-certified family physician.

Where did Dr. DeMarco train?

Dr. DeMarco studied at the NYIT College of Osteopathic Medicine and completed a family practice internship and residency at Long Beach Medical Center.

Where is Dr. DeMarco's office?

Dr. DeMarco has practiced in Rockville Centre since 2001, in the Ryan Building at Mercy Medical Center, and has an additional office in Amityville.

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