Jonathan Peter Nass, M.D.

Internal Medicine

South Weymouth, MA

Specialty

Internal Medicine

Credential

M.D.

NPI

1558587998

Affiliated Facility

Weymouth Endoscopy Llc

1085 Main St, South Weymouth, MA 02190

(781) 331-2922

Medicare★ 4.0 Google (4)95% Patient Rating

View Facility Profile

About this profile: Surgeon information is sourced from the CMS National Plan and Provider Enumeration System (NPPES) NPI Registry and reflects the practice address on file as of February 2026. Facility affiliation is based on matching practice address to CMS-certified ambulatory surgery center locations.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Internal Medicine

This surgeon specializes in internal medicine procedures performed in an outpatient ambulatory surgical setting.

NUCC Taxonomy: 207R00000X

Affiliated Surgery Center

Weymouth Endoscopy Llc

View quality scores & reviews →