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

Dr. John J O'Connor III, MD

Individual provider Orthopaedic Surgery Physician · NPI 1487687364

Dr. John J O'Connor III, MD is an Orthopedic Surgery in Concord, New Hampshire. Graduated from Harvard Medical School in 1982, 44 years ago. Practices with Northeast Orthopaedic Alliance PLLC, a 289-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
44
Trained at
Harvard Medical School
Licensed in
NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

264 Pleasant St
Concord, NH 03301-2551
Phone: (603) 224-3368
Fax: (603) 224-7815
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 7750 (NH)
Sports Medicine (Orthopaedic Surgery) Physician Taxonomy 207XX0005X · Licence 7750 (NH)

Record details

NPI number1487687364
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJune 10, 2024
Certification dateJune 10, 2024

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1982 (44 years in practice)
Group practice Northeast Orthopaedic Alliance Pllc — 289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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