Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Oleg Katcher, MD

Individual provider Gastroenterology Physician · NPI 1598701468

Dr. Oleg Katcher, MD is a Gastroenterology in Brooklyn, New York. Graduated from Icahn School of Medicine at Mount Sinai in 1997, 29 years ago. Practices with Oleg Katcher MD PC, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
29
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1765 E 19th St
Brooklyn, NY 11229-2233
Phone: (718) 360-5953
Fax: (718) 758-4380
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 211769 (NY)

Record details

NPI number1598701468
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 21, 2006
Last updated in NPPESJune 15, 2020
Certification dateJune 15, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1997 (29 years in practice)
Group practice Oleg Katcher Md Pc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Brooklyn