HealthcareDiscovery.AI / Doctors / Massachusetts / Holden / Emergency Medicine

Emergency Medicine in Holden, Massachusetts

Data updated monthly · Last refresh September 2026

6 Emergency Medicine providers practice in Holden. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Holden

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. Allison Darvish, DO
Holden, MA · $23 in drug and device payments (2025) · (774) 239-8503
Dr. Donald Jackel, DO
Holden, MA · No drug or device payments recorded (2025) · (508) 829-3800
Dr. Peter Rugg, MD
Holden, MA · No drug or device payments recorded (2025) · (508) 829-3800
Dr. Richard Freniere, DO
Holden, MA · No drug or device payments recorded (2025) · (508) 829-3800
Dr. Rock Jean-guillaume, D.O.
Holden, MA · No drug or device payments recorded (2025) · (508) 829-3800
Dr. William O'callahan, MD
Holden, MA · No drug or device payments recorded (2025) · (508) 829-3800

Common questions

How many Emergency Medicine providers are in Holden, Massachusetts?

There are 6 Emergency Medicine providers with active NPI records practicing in Holden, 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 Holden Emergency Medicine across Massachusetts

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.