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

Dr. Robert I Greenblatt, MD

Individual provider Gastroenterology Physician · NPI 1861580433

Dr. Robert I Greenblatt, MD is a Gastroenterology in Union, New Jersey. Graduated from University of Southern California Keck School of Medicine in 1979, 47 years ago. Practices with Rf Ledon MD PC, a 17-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
47
Trained at
University of Southern California Keck School of Medicine
Licensed in
NJ
In the registry since
2006
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

2333 Morris Ave Ste B6
Union, NJ 07083-5752
Phone: (908) 964-1144
Fax: (908) 964-7646
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 25MA04478800 (NJ)

Record details

NPI number1861580433
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 10, 2006
Last updated in NPPESDecember 13, 2011
Mailing address2333 Morris Ave, Suite B6, Union, NJ 07083-5714

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Rf Ledon Md Pc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Union