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

Dr. John David Cahoy, MD/PHD

Individual provider Orthopaedic Surgery Physician · NPI 1952626350

Dr. John David Cahoy, MD/PHD is an Orthopedic Surgery in Concord, Massachusetts. Graduated from Stanford University School of Medicine in 2010, 16 years ago. Practices with Orthopedic Affiliates Inc, an 18-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Trained at
Stanford University School of Medicine
Licensed in
MA
In the registry since
2010
Specialties on file
2

Practice location Address checks out

54 Baker Avenue Ext Ste 200
Concord, MA 01742-2137
Phone: (978) 369-5391
Fax: (978) 369-7661
Show map & directions

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

Specialties & licences

Pediatric Orthopaedic Surgery Physician (primary) Taxonomy 207XP3100X · Licence 266960 (MA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 266960 (MA)

Record details

NPI number1952626350
Entity typeIndividual (Type 1)
GenderMale
Credentials MD/PHD
Sole proprietorNo
NPI enumeratedMarch 30, 2010
Last updated in NPPESApril 22, 2020
Certification dateApril 22, 2020

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Orthopedic Affiliates Inc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Concord