HealthcareDiscovery.AI / Doctors / Massachusetts / Concord / Surgery

Surgery in Concord, Massachusetts

Data updated monthly · Last refresh September 2026

8 Surgery providers practice in Concord. Listings are drawn from federal public records and are not endorsements.

Surgery providers in Concord

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Andrea Resciniti, MD
Concord, MA · No drug or device payments recorded (2025) · (978) 371-7433
Dr. Atif Khan, MD
Concord, MA · $149 in drug and device payments (2025) · (978) 287-3547
Dr. Brian Callahan, M.D.
Concord, MA · No drug or device payments recorded (2025) · (978) 287-3547
Dr. C William Kaiser, M.D.
Concord, MA · No drug or device payments recorded (2025) · (508) 662-3465
Dr. Jane Tsao, M.D.
Concord, MA · No drug or device payments recorded (2025) · (978) 287-4505
Dr. Laura Doyon, MD
Concord, MA · No drug or device payments recorded (2025) · Telehealth · (978) 287-3532
Dr. Steven Margolis, M.D.
Concord, MA · No drug or device payments recorded (2025) · (978) 369-6762
Dr. Susan Cahill, M.D.
Concord, MA · No drug or device payments recorded (2025) · (978) 369-4468

Common questions

How many Surgery providers are in Concord, Massachusetts?

There are 8 Surgery providers with active NPI records practicing in Concord, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Concord Surgery across Massachusetts

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.