OrganizationActive
Nana Girgis Mcmahon, MD, PC
NPI 1033243316 · Pediatric Adolescent Medicine Physician · Concord, MA
Provider details
- NPI number
- 1033243316
- Entity type
- Organization
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nana Mcmahon, Owner(978) 369-5050
- License
- 47202 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
131 Old Road to 9 Acre Cor
Suite 470
Concord, MA 01742-4181
Phone: (978) 369-5050
Fax: (978) 371-7292
Street-level locationGet directions
Mailing address
131 Old Road to 9 Acre Cor
Concord, MA 01742-4181
Registry dates
- Enumerated
- 2007-03-16
- Last updated
- 2020-08-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.