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

Dr. John G Cowl, MD

Individual provider Psychiatry Physician · NPI 1235277492

Dr. John G Cowl, MD is a Psychiatry Physician in Duxbury, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
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

113 Tremont St
Duxbury, MA 02332-4753
Phone: (781) 934-6226
Fax: (781) 934-7037
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 152619 (MA)

Record details

NPI number1235277492
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 1, 2007
Last updated in NPPESJuly 11, 2007
Mailing addressPo Box 187, North Pembroke, MA 02358-0187

Other providers in Duxbury