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Robert S Wiesen, MD

Gastroenterology Physician in Somerville, NJ · enumerated 2006 · practices at Gastromed Healthcare, P.A..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1437103678

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Registry record

Entity type Individual (Type 1)
Name Robert S Wiesen
Credential MD
Sex Male
Practice address 286 E Main St, Somerville, NJ, 08876
Phone (908) 231-1999
Fax (908) 231-1612
Enumeration date May 20, 2006
Last updated in NPPES Feb 24, 2010

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 25MA07943500 (NJ) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Robert Wiesen?
The National Provider Identifier (NPI) for Robert Wiesen is 1437103678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Wiesen practice?
The practice location on file with NPPES is in Somerville, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-24.