ColumbiaDoctors at NewYork-Presbyterian The One
1111 Westchester Avenue
White Plains, NY 10604
New and Existing Patients
Book Online
Already a patient?
Login or sign-upto Connect Patient Portal to make an appointment
Locations and Appointments
Book Online
New Patients
Insurances Accepted
Before your appointment, please contact the doctor's office or your insurance provider to verify that your insurance is accepted. This list of insurances can change, and the insurance plans listed may not be accepted at all office locations for this provider.
AETNA
Affinity Health Plan
Amida Care
CIGNA
ElderServe
Emblem/GHI
Emblem/Hip
Empire Blue Cross Blue Shield Healthplus
Empire Blue Cross/Blue Shield
Fidelis Care
Healthfirst
Healthspring (Cigna Medicare)
Local 1199
Magnacare (National)
Medicare
Multiplan
MVP Health Care
UnitedHealthcare
VNSNY CHOICE
WellCare
World Trade Center Health Plan
Dr. Cassandra Simmons is the Chief of General Obstetrics & Gynecology at NewYork-Presbyterian/Columbia University Irving Medical Center (CUIMC). In this role, Dr. Simmons directs clinical operations for the division of General Ob/Gyn, with the goal to deliver the highest quality of care to patients.
Before joining the faculty at CUIMC, Dr. Simmons practiced as an Ob/Gyn in many states across the country, including California, Georgia, New Jersey, and the New York Metropolitan Area. This diverse breadth of professional experience has given her an idea of what Ob/Gyn care could, and should, look like for patients. Informed by these experiences, Dr. Simmons emphasizes the im...
Expertise
- Abnormal Pap Smear
- Abnormal Uterine Bleeding
- Birth Control
- Colposcopy
- Contraception
- Contraceptive Care
- Family Planning
- General Gynecology
- Gynecologic Exams
- Gynecologic Hormonal Disorders
- Gynecology
- Heavy Menstrual Bleeding
- Intrauterine Device (IUD)
- Intrauterine Device (IUD) and Contraceptive Implant Placements and Removals
- Irregular Periods/Menstrual Cycles
- Menopause
- Menstrual Disorders
- Nexplanon Implant Placement and Removal
- Obstetrics
- Ovarian Cyst
- Pap Smear
- Pregnancy
- Pregnancy Care
- Premenstrual Syndrome (PMS)
- Prenatal Care
- Routine Gynecologic Care
- Sexually Transmitted Infections
- UTI (Urinary Tract Infection)
- Women's Health
Titles & Positions
- Assistant Professor of Obstetrics and Gynecology at CUMC
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center
- NewYork-Presbyterian Westchester
Titles & Positions
- Assistant Professor of Obstetrics and Gynecology at CUMC
4.9/5 (198)
Reviews
Dr. Simmons is very thorough and professional. She answered all my questions.
February 12, 2026
Excellent!!
February 10, 2026
Dr. Simmons is a leader and a trusted physician.
February 03, 2026