Summary

MSK radiation oncologist Richard Gewanter specializes in treating prostate cancer, bladder cancer, lung cancer, and breast cancer. He sees patients at MSK Nassau and at MSK's Manhattan location.

Office Location

Memorial Sloan Kettering Cancer Center

1101 Hempstead TpkeUniondale, NY 11553
Mon7:30 am - 5:30 pm
Tue7:30 am - 5:30 pm
Wed7:30 am - 5:30 pm
Thu7:30 am - 5:30 pm
Fri7:30 am - 5:30 pm
SatClosed
SunClosed

Quick Facts

  • accepting new patients
  • 4
  • 31 years of experience
  • 30 insurance plans accepted
  • speaks English
  • New York Presbyterian/Columbia University Medical Center
  • 3 specialties
  • 15 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Insurance Plans Accepted by Richard M. Gewanter

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna Medicare Advantage (City of NY retirees only starting 9/1/23)
  • Blue Cross Blue Shield Federal Employee Program
  • Blue Cross Blue Shield New York
  • Blue Cross Blue Shield states outside of NY/NJ
  • Blue Cross Health Plus
  • Carrum Health
  • Cigna
  • ConnectiCare
  • Emblem
  • Emblem Essential
  • Emblem Medicare Advantage
  • Empire Blue Cross Medicare Advantage
  • Empire Essential
  • Empire Plan / NYSHIP (Blue Cross/UnitedHealthcare split plan)
  • Fidelis
  • Fidelis Managed Medicaid & HARP
  • Fidelis Medicare Advantage
  • First Health
  • Healthfirst
  • Healthfirst Managed Medicaid
  • Healthfirst Medicare Advantage
  • HealthSmart
  • Horizon Blue Cross Blue Shield New Jersey (HMO)
  • Horizon Blue Cross Blue Shield New Jersey (PPO)
  • Horizon Blue Cross Blue Shield New Jersey Omnia Tier I (EPO)
  • Horizon Blue Cross Blue Shield New Jersey Omnia Tier II (EPO)
  • Horizon Medicare Advantage
  • Husky CT Medicaid
  • MagnaCare

Medical Specialties

Richard M. Gewanter has the following 3 specialties

Specialty Expertise

Richard M. Gewanter has the following 15 areas of expertise

  • Brain Cancer
  • Breast Cancer
  • Cancer
  • Female Genital Cancer
  • Gastrointestinal Cancer
  • Head and Neck Cancer
  • Intensity-Modulated Radiotherapy
  • Lung Cancer
  • Lymphoma
  • Metastatic Breast Cancer
  • Oncologist
  • Prostate Cancer (Prostatic Neoplasm)
  • Radiation Oncologist
  • Radiation Therapy
  • Soft Tissue Cancer (Sarcoma)

Certifications, License, & Education

31 Years Experience

Richard M. Gewanter holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at New York Presbyterian/Columbia University Medical Center in 2002.

Medical School

Graduated from Albert Einstein College of Medicine in 1995.

NPI Number

Richard M. Gewanter's NPI number is 1992750582.

Other Providers at Memorial Sloan Kettering Cancer

Frequently Asked Questions

Is Richard Gewanter accepting new patients?
Richard Gewanter is accepting new patients on Vitals. View Richard Gewanter's profile on Vitals to make an appointment.
What languages does Richard Gewanter speak?
Richard Gewanter speaks English.
Does Richard Gewanter accept my insurance?
You can see the insurance plans that Richard Gewanter accepts on their Vitals profile.
Which hospitals is Richard Gewanter affiliated with?
Richard Gewanter is affiliated with Memorial Sloan Kettering Cancer Center.
Where is Richard Gewanter's office located?
Richard Gewanter's office is located at 1101 Hempstead Tpke, Uniondale, NY, 11553.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.