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

Dr. Richard Charles Feldstein, MD, MSC

Individual provider Gastroenterology Physician · NPI 1851533699

Dr. Richard Charles Feldstein, MD, MSC is a Gastroenterology in Commack, New York. Qualified in 2002, 24 years ago. Practices with Robert M Lazar MD PC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
24
Licensed in
NY
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1092 Jericho Tpke Ste 2S
Commack, NY 11725-3016
Phone: (631) 543-8660
Fax: (631) 543-8661
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 003361 (NY)

Record details

NPI number1851533699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MSC
Sole proprietorYes
NPI enumeratedMarch 25, 2009
Last updated in NPPESFebruary 4, 2022
Certification dateFebruary 4, 2022

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Robert M Lazar Md Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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