Mary Callsen, MD
Addiction Medicine · Internal Medicine
20+ years in practiceNPI: 1639137573Licensed in MD
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Credentials & Recognition
Specialties
Practice Signals
Editorial signals beyond credentials. Patient transparency over opacity. See methodology.
Mid-Level (PA/NP) Use
Doctor-led visits
Years in Practice
20+ years
Estimated from NPI enumeration date
Other Addiction Medicine Doctors near Maryland
View all →Frequently Asked Questions about Dr. Mary Callsen, MD
Where does Dr. Mary Callsen, MD practice?+
Dr. Mary Callsen, MD practices in Maryland, MD. 7315 WISCONSIN AVE
BETHESDA, MD 208143202.
What is Dr. Mary Callsen, MD's phone number?+
Dr. Mary Callsen, MD's practice phone is 240-235-9100. Office contact information is verified on the PBCMMG profile.
What does Dr. Mary Callsen, MD specialize in?+
Dr. Mary Callsen, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine.
Is Dr. Mary Callsen, MD board certified?+
Board certification status for Dr. Mary Callsen, 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. Mary Callsen, MD been practicing?+
Dr. Mary Callsen, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Mary Callsen, MD's NPI number?+
Dr. Mary Callsen, MD's National Provider Identifier (NPI) is 1639137573, 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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