Summary

Dr. Richard Feldstein is a gastroenterologist and internal medicine physician who earned his medical degree from St. Georges University. He completed his residency training at St. Lukes-Roosevelt Hospital Center and has been practicing medicine for 24 years. Dr. Feldstein speaks both English and Spanish to better serve his diverse patient community.

Dr. Feldstein is affiliated with Saint Catherine Of Siena Medical Center and practices in Commack and Smithtown, New York. He specializes in treating colon polyps, hemorrhoids, and gastritis. His expertise includes performing pathology tests and surgical pathology procedures to help diagnose digestive conditions. Patients have given him an average rating of 4.1 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 24 years of experience
  • speaks English, Spanish
  • St Lukes-Roosevelt Hospital Center
  • 7 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Richard Charles Feldstein has 3 locations

Robert M Lazar Md Pc

1092 Jericho Tpke Ste 2SCommack, NY 11725
Mon9:00 am - 3:00 pm
Tue9:00 am - 3:00 pm
Wed9:00 am - 3:00 pm
Thu9:00 am - 3:00 pm
Fri9:00 am - 1:00 pm
SatClosed
SunClosed

North Shore Surgi Center

989 W Jericho TpkeSmithtown, NY 11787
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Richard Charles Feldstein, MDTheresa Obonyano, APRNDr. Kristen Kyong Lee, MDDr. Divya Mallam, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.3 
24 Years of Experience 17 Years of Experience 16 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Commack , NYSacramento , CANew York , NYNew York , NY
Med School: St Georges University Med School: The University of Texas Health Science Center at Houston Med School: Cornell University Med School: State University of New York (SUNY) Downstate Health Sciences University College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Richard Charles Feldstein

  • Accepts Medicare

Medical Specialties

Dr. Richard Charles Feldstein has the following 2 specialties

Specialty Expertise

Dr. Richard Charles Feldstein has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

24 Years Experience

Dr. Richard Charles Feldstein 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 St Lukes-Roosevelt Hospital Center.

Medical School

Graduated from St Georges University in 2008 and St Georges University School Of Medicine in 2002.

NPI Number

Dr. Feldstein's NPI number is 1851533699.

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Frequently Asked Questions

Where is Dr. Richard Feldstein's office located?
Dr. Richard Feldstein's office is located at 1092 Jericho Tpke Ste 2S, Commack, NY, 11725.
Is Dr. Richard Feldstein accepting new patients?
Dr. Richard Feldstein is accepting new patients on Vitals. View Dr. Richard Feldstein's profile on Vitals to make an appointment.
What languages does Dr. Richard Feldstein speak?
Dr. Richard Feldstein speaks English and Spanish.
Does Dr. Richard Feldstein accept virtual/telehealth appointments?
Dr. Richard Feldstein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Richard Feldstein affiliated with?
Dr. Richard Feldstein is affiliated with Saint Catherine Of Siena Medical Center.

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