Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

FREDERICK Y F NG MD
NPI 1841281052
Internal Medicine in Stoughton, MA

Active since November 04, 2005
907 SUMNER ST, SUITE 202, STOUGHTON, MA 02072(781) 297-8020(781) 297-8025 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Frederick Y F Ng Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FREDERICK Y F NG MD (NPI 1841281052) is an individual internal medicine provider in Stoughton, Massachusetts, licensed in Massachusetts (36293) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1841281052
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFREDERICK Y F NGCredential: MD
Location Address907 SUMNER ST, SUITE 202Stoughton, MA 02072
Mailing Address77 Warren Street, 5th FlrBrighton, MA 02135 · (617) 562-5359 · Fax (617) 562-5415
Fax(781) 297-8025
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1841281052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 36293
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

907 SUMNER ST, Stoughton, MA 02072

Other Identifiers 1

Medicaid2016435MA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
907 SUMNER ST, GUARDIAN ANESTHESIA INC
STOUGHTON, MA 02072
Internal Medicine
907 SUMNER ST, SUITE 202
STOUGHTON, MA 02072
Anesthesiology
907 SUMNER ST, M201
STOUGHTON, MA 02072
Nurse Anesthetist, Certified Registered
907 SUMNER ST, SUITE M 201
STOUGHTON, MA 02072
Anesthesiology
907 SUMNER ST, M201
STOUGHTON, MA 02072
Anesthesiology
907 SUMNER ST, M201
STOUGHTON, MA 02072
Anesthesiology
907 SUMNER ST, M201
STOUGHTON, MA 02072
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
907 SUMNER ST, SUITE M107
STOUGHTON, MA 02072

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frederick Ng's NPI number?

The NPI number for Frederick Ng is 1841281052. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Frederick Ng located?

Frederick Ng practices at 907 Sumner St Suite 202, Stoughton, MA 02072. The listed phone number is (781) 297-8020.

What is Frederick Ng's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Frederick Ng was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.