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

Dr. John Ahern

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1699397141

Dr. John Ahern is a Family Practice in Cambridge, Massachusetts. Qualified in 2015, 11 years ago. Practices with Cambridge Public Health Commission, a 649-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2020
Specialties on file
2

Practice location Address checks out

163 Gore St
Cambridge, MA 02141-1119
Phone: (617) 665-3000
Show map & directions

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

Additional practice locations (1)

  • 195 Canal St, Malden, MA 02148-6701 — (781) 338-0500

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 1014642 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (MA)

Record details

NPI number1699397141
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 7, 2020
Last updated in NPPESMay 24, 2023
Certification dateMay 24, 2023
Mailing address195 Canal St, Malden, MA 02148-6701

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Cambridge Public Health Commission — 649 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cambridge