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About

Summary: Katz Institute for Women's Health is Northwell Health’s nonprofit network of women’s health experts. It brings together obstetricians/gynecologists and a broad team (osteopathic doctors, dietitians, nurse practitioners, psychologists, researchers, etc.) to provide comprehensive, specialty women’s care at every life stage. The institute emphasizes empowering and guiding women through their health needs and is part of Northwell Health’s Hospitals and Health Care division. For location-specific care (Smithtown), note the broader Northwell Women’s Health offerings in the region, including closer-to-home specialty care options on Long Island (e.g., Women’s Health services associated with Northwell Health Physician Partners). If you’re seeking Women’s Specialty Care in Smithtown, contact Northwell Health Smithtown-area obstetrics/gynecology or Women’s Health specialists within the Katz Institute network for location details and appointment options.

Clinic Type

OB-GYN

Address

222 Middle Country Road, Suite 210-212, Smithtown, NY 11787

Phone

(631) 775-3290

Email

foundation@northwell.edu

Opening Hours

Sunday Closed; Monday 8:00am–?; Tuesday 8:00am–5:00pm; Wednesday 8:00am–5:00pm; Thursday 8:00am–5:00pm; Friday 8:00am–4:30pm; Saturday Closed

Emergency Care

For a Northwell ambulance, call (833) 259-2367.

Services Offered

  • obstetric services
  • gynecologic services
  • women’s health care
  • Katz Institute for Women’s Health

Insurance & Payment

Languages Spoken

FAQs

What are the office hours?

Sunday Closed; Monday 8:00am - 7:00pm; Tuesday 8:00am - 5:00pm; Wednesday 8:00am - 5:00pm; Thursday 8:00am - 5:00pm; Friday 8:00am - 4:30pm; Saturday Closed

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD Care: 4 out of 5 stars (average for Dr. Felicia Callan) (13 ratings (for Dr. Felicia Callan))
  • LocalityBiz (often aggregates reviews for local health practices): Mixed (ranging from 1 to 5 stars) (Various individual reviews)

Patients praise

  • compassionate and professional providers
  • thorough communication and patient listening skills
  • friendly office staff members

Common complaints

  • long wait times for appointments
  • perceived lack of patient-centered care/disorganization
  • difficulty with patient record transfers
  • concerns regarding medical diagnosis accuracy

"I cannot say enough good things about this practice, especially my favorite nurse practitioner Lisa Appelt. She is so smart and her bedside manner is top-notch."

Review on LocalityBiz

"Absolutely terrible experience. Dr. Kanganis' office is very disorganized. I waited at least 1 hour for each scheduled appointment. The office is ALWAYS running late."

Review on LocalityBiz

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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