1. Home
  2. Directory
  3. Massachusetts
  4. Worcester
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MORRIS SPIERER MD
NPI 1285685883
Internal Medicine - Critical Care Medicine in Worcester, MA

Active since May 16, 2006
123 SUMMER STREET, WORCESTER, MA 01608(508) 368-3120(508) 368-3121 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Morris Spierer Md NPPES

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

MORRIS SPIERER MD (NPI 1285685883) is an individual critical care medicine provider in Worcester, Massachusetts, licensed in Massachusetts (36568) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1285685883
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMORRIS SPIERERCredential: MD
Location Address123 SUMMER STREETWorcester, MA 01608
Mailing Address630 Plantation St, Wot 12th Floor Attn Physician ServicesWorcester, MA 01605 · (508) 368-5529 · Fax (508) 368-5530
Phone(508) 368-3120
Fax(508) 368-3121
Sole ProprietorNo
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1285685883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MA · 36568
Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 36568 (MA)
123 SUMMER STREET, Worcester, MA 01608
Open in Google Maps ↗

Other Identifiers 13

Other7336195Aetna Us Healthcare
Other7924337Cigna Health Plan
Other27095Childrens Medical Securit
Other784088Mvp Health Care
OtherAA7079Harvard Pilgrim Healthcar
Other934645First Health
Other27095Healthy Start
Medicaid3099920MA
Other4800064Evercare
OtherN01620Blue Shield Hmo Blue
Other9900050Fallon Community Health P
OtherN01620Blue Care Elect
OtherN01620Blue Shield Indemnity

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.

DANIEL M STEIGMAN MD
Internal Medicine (Pulmonary Disease)
123 SUMMER STREET, SUITE 390
WORCESTER, MA 01608
Worcester County (508) 368-3120
TARUN JAYATHILAGAR MD
Student in an Organized Health Care Education/Training Program
123 SUMMER STREET, ST VINCENT HOSPITAL
WORCESTER, MA 01608
Worcester County (508) 363-5000
KHUSHI GOYAL MD
Student in an Organized Health Care Education/Training Program
123 SUMMER STREET, ST. VINCENT HOSPITAL
WORCESTER, MA 01608
Worcester County (508) 363-5000
GREGORY T WILLIAMS MD
Internal Medicine (Infectious Disease)
123 SUMMER STREET, SUITE 220 S
WORCESTER, MA 01608
Worcester County (508) 368-3122
ROBERT C HARIZI MD
Internal Medicine (Cardiovascular Disease)
123 SUMMER STREET
WORCESTER, MA 01608
Worcester County (508) 368-3130
CENTRAL MASS PEDIATRIC GI & NUTRITION, P.C.
Pediatrics (Pediatric Gastroenterology)
123 SUMMER STREET, SUITE 630
WORCESTER, MA 01608
Worcester County (508) 363-7344
IMAN MOULA MD
Student in an Organized Health Care Education/Training Program
123 SUMMER STREET, ST VINCENT HOSPITAL
WORCESTER, MA 01608
Worcester County (508) 363-5000
KEVIN B MARTIN MD
Internal Medicine (Pulmonary Disease)
123 SUMMER STREET, SUITE 390
WORCESTER, MA 01608
Worcester County (508) 368-3120

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 Morris Spierer's NPI number?

The NPI number for Morris Spierer is 1285685883. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Morris Spierer located?

Morris Spierer practices at 123 Summer Street, Worcester, MA 01608. The listed phone number is (508) 368-3120.

What is Morris Spierer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

When was this NPI record last updated?

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