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

Dr. Mitchell I Weinstein, DO

Individual provider Gastroenterology Physician · NPI 1942292206

Dr. Mitchell I Weinstein, DO is an Internal Medicine in West Islip, New York. Qualified in 1984, 42 years ago. Practices with Island Gastroenterology Consultants PC, a 13-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Licensed in
NY
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

631 Montauk Hwy Ste 2
West Islip, NY 11795-4400
Phone: (631) 321-3840
Fax: (631) 321-3842
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 162637 (NY)

Record details

NPI number1942292206
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 22, 2005
Last updated in NPPESJanuary 10, 2022
Certification dateJanuary 10, 2022
Mailing address631 Montauk Hwy Ste 2, West Islip, NY 11795-4400

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Island Gastroenterology Consultants Pc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in West Islip