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

Neil Robert Greenspan, MD

Individual provider Gastroenterology Physician · NPI 1023007556

Neil Robert Greenspan, MD is a Gastroenterology in Providence, Rhode Island. Graduated from Columbia University College of Physicians and Surgeons in 1984, 42 years ago. Practices with University Gastroenterology, LLC, a 99-clinician group and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
42
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
RI
In the registry since
2005
Specialties on file
2
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

44 W River St
Providence, RI 02904-2609
Phone: (401) 274-4800
Fax: (401) 454-0410
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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 07758 (RI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 07758 (RI)

Record details

NPI number1023007556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2005
Last updated in NPPESOctober 15, 2025
Certification dateOctober 15, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1984 (42 years in practice)
Group practice University Gastroenterology, Llc — 99 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Providence