Margaret Callahan, MD

Addiction Medicine · Internal Medicine

17+ years in practiceNPI: 1508098534Licensed in CTLicensed in NY

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Credentials & Recognition

Specialties

Addiction MedicineInternal Medicine

NPI sub-specialties

Internal Medicine, Medical Oncology207RX0202X

Internal Medicine, Medical Oncology207RX0202X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

17+ years

Estimated from NPI enumeration date

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Frequently Asked Questions about Dr. Margaret Callahan, MD

Where does Dr. Margaret Callahan, MD practice?+
Dr. Margaret Callahan, MD practices in Connecticut, CT. 263 FARMINGTON AVE FARMINGTON, CT 06030.
What is Dr. Margaret Callahan, MD's phone number?+
Dr. Margaret Callahan, MD's practice phone is 860-679-2100. Office contact information is verified on the PBCMMG profile.
What does Dr. Margaret Callahan, MD specialize in?+
Dr. Margaret Callahan, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine.
Is Dr. Margaret Callahan, MD board certified?+
Board certification status for Dr. Margaret Callahan, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Margaret Callahan, MD been practicing?+
Dr. Margaret Callahan, MD has been in active practice for 17+ years, based on NPI enumeration and state licensing records.
What is Dr. Margaret Callahan, MD's NPI number?+
Dr. Margaret Callahan, MD's National Provider Identifier (NPI) is 1508098534, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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