WILLIAM C SIEGEL MD
NPI 1336120757
Internal Medicine - Cardiovascular Disease in Brockton, MA

Active since November 11, 2005
89.43/100
CMS Quality Rating
110 LIBERTY STREET, BROCKTON, MA 02301(508) 894-0400(508) 941-0332 Get Directions Write a Review

NPPES record last updated: February 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William C Siegel Md NPPES

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

WILLIAM C SIEGEL MD (NPI 1336120757) is an individual cardiovascular disease provider in Brockton, Massachusetts, licensed in Massachusetts (50750) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1336120757
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameWILLIAM C SIEGELCredential: MD
Location Address110 LIBERTY STREETBrockton, MA 02301
Mailing Address680 Centre StBrockton, MA 02302-3308 · (508) 894-0400 · Fax (508) 894-0459
Fax(508) 941-0332
Sole ProprietorNo
Enumeration DateNovember 11, 2005
Last NPPES UpdateFebruary 16, 2021
NPPES CertifiedFebruary 16, 2021
NPI 1336120757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MA · 50750
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
110 LIBERTY STREET, Brockton, MA 02301

Other Identifiers 1

Medicaid3073556MA

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.43/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.41
Promoting Interoperability100
Improvement Activities40
Cost72.68

Other Providers at the Same Location NPPES 11

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

Nurse Practitioner
110 LIBERTY STREET
BROCKTON, MA 02301
Internal Medicine
110 LIBERTY STREET
BROCKTON, MA 02301
Internal Medicine
110 LIBERTY STREET
BROCKTON, MA 02301
Internal Medicine
110 LIBERTY STREET
BROCKTON, MA 02301
Nurse Practitioner
110 LIBERTY STREET
BROCKTON, MA 02301
Psychiatry & Neurology (Neurology)
110 LIBERTY STREET
BROCKTON, MA 02301
Nurse Practitioner
110 LIBERTY STREET
BROCKTON, MA 02301
Family Medicine
110 LIBERTY STREET
BROCKTON, MA 02301

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 William Siegel's NPI number?

The NPI number for William Siegel is 1336120757. It was assigned to this individual provider in the NPPES registry on November 11, 2005.

Where is William Siegel located?

William Siegel practices at 110 Liberty Street, Brockton, MA 02301. The listed phone number is (508) 894-0400.

What is William Siegel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for William Siegel was last updated on February 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.