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 provides Pediatric Adolescent Medicine Physician services 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