We have Moved from Glen Oaks to Bay side
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  • LocationMt. Sinai: (631) 928-2600, (631) 928-9355
  • LocationBay Side: (718) 347-3500
  • LocationSelden: (631) 696-2000
icon Medical Associates
5499 Nesconset Hwy
Mt Sinai, NY 11766
Phone: (631) 928-2600, (631) 928-9355
Fax: 631-928-9351
icon Medical Associates
243 Boyle Rd,
Selden, NY 11784
Phone: (631) 696-2000
Fax: 631-696-2003
icon Medical Associates
214-22 73rd Avenue
Bay Side, NY 11364
Phone: (718) 347-3500
Fax: 718-776-3723

Meet Our specialists

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Director of Operations

Quality and Compliance at Medical Associates


About Us

Medical Associates is a multispecialty group founded in 2003. We have a team of board certified physicians supported by trained staff to provide the best primary preventive care to the patients. Our physicians have earned a reputation in the healthcare industry for their clinical expertise. At Medical Associates, we use latest healthcare technology to deliver effective medical care. We specialize in primary medical care, preventive care, annual physicals, and more. The ultimate goal of our healthcare team is to provide medical counsel and care to help you live well.

List of our certified professionals include Dr. Rajesh Raina, the founder of Medical Associates who has completed his Residency at the University of Medicine and Dentistry. He was also elected as “Chief of the Department of Medicine” while working in Escanaba, MI.

Dr. Marc Rybstein, specialized Cardiologist with many board certifications and Dr. Laura Rivera, board certified family physician.

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Glaucoma is an eye-disorder that causes blindness. This disease damages the optic nerve of the eye that is mainly caused to abnormal high pressure inside the eye. However, the main problem related

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latest news

Antibiotics may impact cancer treatment efficacy

There is mounting laboratory evidence that in the increasingly complex, targeted treatment of cancer, judicious use of antibiotics also is needed to ensure these infection fighters don’t have the unintended consequence of also hampering cancer treatment, scientists report.

05/03/2018 12:29:58 PM read more

Short-term increases in inhaled steroid doses do not prevent asthma flare-ups in children

Researchers have found that temporarily increasing the dosage of inhaled steroids when asthma symptoms begin to worsen does not effectively prevent severe flare-ups, and may be associated with slowing a child’s growth, challenging a common medical practice involving children

05/03/2018 12:28:00 PM read more

How to Talk So Your Doctor Will Listen

You show up five minutes early for your doctor’s appointment and wind up waiting 20 in the lobby and another 10 in the exam room. As you hear your doctor approach, talking in the hallway, you ready yourself. If

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Excellent in all ways Always best to make early appointment before the crowds arrive. I have seen many doctors before but Dr. Raina cares about this patient’s
health and takes time to discuss all.

November 13, 2014 by Lloyd K.
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