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

John A Duncan, MD

Individual provider Pediatric Endocrinology Physician · NPI 1811987985

John A Duncan, MD is a Pediatric Endocrinology Physician in Melbourne, Florida. Licensed in Florida. Registered with an NPI since 2005.

Licensed in
FL
In the registry since
2005
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

1223 Gateway Dr 1G
Melbourne, FL 32901-2607
Phone: (321) 723-0072
Fax: (321) 952-0850
Show map & directions

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

Specialties & licences

Pediatric Endocrinology Physician (primary) Taxonomy 2080P0205X · Licence ME37339 (FL)

Record details

NPI number1811987985
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 28, 2005
Last updated in NPPESJuly 21, 2022
Mailing address3300 S Fiske Blvd, Rockledge, FL 32955-4306