Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Stephen J Drewniak, MD

Individual provider Gastroenterology Physician · NPI 1609812486

Stephen J Drewniak, MD is a Gastroenterology Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1153 Centre St Ste 45
Boston, MA 02130
Phone: (617) 522-9996
Fax: (617) 524-6599
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 43997 (MA)

Record details

NPI number1609812486
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESDecember 5, 2011
Mailing address1153 Centre St, Ste 45, Boston, MA 02130

Other providers in Boston