Christopher Callahan, MD

Addiction Medicine · Internal Medicine · Geriatrics

20+ years in practiceNPI: 1104867043Licensed in IN

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineGeriatrics

NPI sub-specialties

Internal Medicine, Geriatric Medicine207RG0300X

Internal Medicine207R00000X

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

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Frequently Asked Questions about Dr. Christopher Callahan, MD

Where does Dr. Christopher Callahan, MD practice?+
Dr. Christopher Callahan, MD practices in Indiana, IN. 1633 N CAPITOL AVE STE 322 INDIANAPOLIS, IN 462021476.
What is Dr. Christopher Callahan, MD's phone number?+
Dr. Christopher Callahan, MD's practice phone is 317-962-2929. Office contact information is verified on the PBCMMG profile.
What does Dr. Christopher Callahan, MD specialize in?+
Dr. Christopher Callahan, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Geriatrics.
Is Dr. Christopher Callahan, MD board certified?+
Board certification status for Dr. Christopher 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. Christopher Callahan, MD been practicing?+
Dr. Christopher Callahan, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Christopher Callahan, MD's NPI number?+
Dr. Christopher Callahan, MD's National Provider Identifier (NPI) is 1104867043, 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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