STEPHEN J DREWNIAK MD
NPI 1609812486
Internal Medicine - Gastroenterology in Boston, MA

Active since June 21, 2006
1153 CENTRE ST, STE 45, BOSTON, MA 02130(617) 522-9996(617) 524-6599 Get Directions Write a Review

NPPES record last updated: December 5, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Stephen J Drewniak Md NPPES

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

STEPHEN J DREWNIAK MD (NPI 1609812486) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (43997) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1609812486
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameSTEPHEN J DREWNIAKCredential: MD
Location Address1153 CENTRE ST, STE 45Boston, MA 02130
Mailing Address1153 Centre St, Ste 45Boston, MA 02130 · (617) 522-9996 · Fax (617) 524-6599
Fax(617) 524-6599
Sole ProprietorNo
Enumeration DateJune 21, 2006
Last NPPES UpdateDecember 5, 2011
NPI 1609812486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MA · 43997
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1153 CENTRE ST, Boston, MA 02130

Other Identifiers 3

Medicaid6188028MA
Medicare UPINA56965
Medicare ID-Type UnspecifiedJ03242

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.

Social Worker (Clinical)
1153 CENTRE ST, 2ND FLOOR
BOSTON, MA 02130
Nurse Practitioner (Adult Health)
1153 CENTRE ST, FAULKNER HOSPITAL , DEPT OF PREADMISSION TESTING
BOSTON, MA 02130
Pharmacist
1153 CENTRE ST
BOSTON, MA 02130
Surgery (Surgical Oncology)
1153 CENTRE ST, FAULKNER BREAST CENTRE
BOSTON, MA 02130
Physician Assistant
1153 CENTRE ST
JAMAICA PLAIN, MA 02130
Social Worker (Clinical)
1153 CENTRE ST
BOSTON, MA 02130
Physician Assistant
1153 CENTRE ST
BOSTON, MA 02130
Internal Medicine
1153 CENTRE ST
JAMAICA PLAIN, MA 02130

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 Stephen Drewniak's NPI number?

The NPI number for Stephen Drewniak is 1609812486. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Stephen Drewniak located?

Stephen Drewniak practices at 1153 Centre St Ste 45, Boston, MA 02130. The listed phone number is (617) 522-9996.

What is Stephen Drewniak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Stephen Drewniak was last updated on December 5, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.