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

Nana Girgis McMahon, MD, PC

Organization Pediatric Adolescent Medicine Physician · NPI 1033243316

Nana Girgis McMahon, MD, PC is a Pediatric Adolescent Medicine Physician in Concord, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

131 Old Road To 9 Acre Cor Ste 470
Concord, MA 01742-4181
Phone: (978) 369-5050
Fax: (978) 371-7292
Show map & directions

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

Specialties & licences

Pediatric Adolescent Medicine Physician (primary) Taxonomy 2080A0000X · Licence 47202 (MA)

Record details

NPI number1033243316
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nana McMahon — Owner · (978) 369-5050
NPI enumeratedMarch 16, 2007
Last updated in NPPESAugust 22, 2020
Mailing address131 Old Road To 9 Acre Cor, Suite 470, Concord, MA 01742-4181