Orthopaedic Surgery, Sports Medicine
JAMES KARLSON MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1114915261 · enumerated 2005-10-12 · record updated 2019-08-07. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 300 MOUNT AUBURN ST, SUITE 505, CAMBRIDGE, MA, 02138-5600 (617) 491-6766 Fax (617) 491-2552 Google Maps Apple Maps OpenStreetMap
- Mailing address 20 GUEST ST STE 225, BRIGHTON, MA, 02135-2065 (617) 738-8642 Fax (617) 202-4172 Google Maps Apple Maps OpenStreetMap
Specialties
- Orthopaedic Surgery, Sports Medicine 207XX0005X · Primary · License 74009 MA
In this directory
MA Middlesex County Cambridge Orthopaedic Surgery, Sports Medicine
Locations and evidence
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Practice location
CAMBRIDGE, MA, 021385600
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.