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About

Mount Sinai South Nassau (formerly South Nassau Communities Hospital) is a nonprofit, acute-care teaching hospital in Oceanside, NY, with a strong presence in Long Beach. It is part of Mount Sinai Health System and offers comprehensive medical services, including emergency care, cardiology, oncology, orthopedics, bariatrics, and radiation/radiosurgery (Novalis Tx and Gamma Knife Perfexion). The hospital serves the Long Beach area with outpatient centers and multiple locations nearby. It is designated as a Stroke Center and a Comprehensive Community Cancer Center, and operates as an Equal Opportunity Employer. Key contact: info@southnassau.org; main phone: 516-632-3000.

Clinic Type

Primary Care

Address

761 Franklin Boulevard, Long Beach, NY 11561

Phone

516-544-2351

Email

info@snch.org

Opening Hours

Monday–Friday: 9am – 5pm

Services Offered

  • Routine physical exams
  • Well woman exams
  • Hypertension screening
  • Asthma screening
  • Osteopathic manipulation
  • Lifestyle education
  • School physicals
  • Adolescent care
  • Geriatric care
  • Preventive medicine
  • EKG testing for heart conditions
  • Laboratory
  • Respiratory care

Technology & Equipment

  • EKG testing
  • Laboratory services

Insurance & Payment

We are an approved provider for most major insurance plans. If uninsured, programs exist to assist with reduced-rate care and facilitated-insurance enrollment.

Languages Spoken

  • English

FAQs

What are the hours?

Office Hours: Monday–Friday 9am–5pm.

No Insurance?

At Mount Sinai South Nassau - Long Beach, Primary Care, we offer quality health care you can afford. We are an approved provider for most major insurance plans. But if you do not have insurance, we have programs for eligible patients that assist with reduced-rate care based on your ability to pay, as well as connections to facilitated-insurance enrollment programs.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Family Medicine): 2.2/5 (77 reviews)
  • Birdeye (Long Beach Emergency Department): 3.3/5 (12 reviews)
  • Yahoo Local (Mount Sinai South Nassau/General): 2.0/5 (178 reviews)

Patients praise

  • Praise for specific doctors' bedside manners and caring demeanor
  • Effective communication with patients by some providers
  • Appreciation for clean and modern facilities
  • Positive experiences with emergency room staff in certain cases

Common complaints

  • Long wait times
  • Dissatisfaction with billing and administrative processes
  • Concerns regarding clinical accuracy and diagnostic thoroughness
  • Inconsistent bedside manner among some staff members

"Dr Rehm and her staff are exceptional. Communication between the group and me is awesome, especially through the app. Dr Rehm gets right back to you."

LocalityBiz Review

"Subject: Formal Complaint – Inaccurate Blood Pressure Readings, Excessive Wait Times, and Declining Trust in Care... I have experienced repeated issues that raise serious concerns about both clinical accuracy and patient care standards."

Birdeye Review

"A few days ago I had the unfortunate experience of having to be rushed to the emergency room at this hospital. I have nothing but praise for the emergency room staff of doctors and nurses."

Yahoo Local Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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