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

Dr. Gregory Jon Melkonian, MD

Individual provider Orthopaedic Surgery Physician · NPI 1891711693

Dr. Gregory Jon Melkonian, MD is an Orthopaedic Surgery Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6021
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Orthopaedic Surgery Physician (primary) Taxonomy 207XP3100X · Licence 226761 (MA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 226761 (MA)

Record details

NPI number1891711693
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESOctober 10, 2012
Mailing address300 Longwood Ave, Boston Children'S Hospital, Boston, MA 02115-5724

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