Daniel Callahan, MD

Depression Treatment · Anxiety Treatment · Pain Medicine · Psychiatry · Pulmonology · Sleep Medicine

21+ years in practiceNPI: 1598761223Licensed in GA

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Credentials & Recognition

Specialties

Depression TreatmentAnxiety TreatmentPain MedicinePsychiatryPulmonologySleep Medicine

NPI sub-specialties

Internal Medicine, Pulmonary Disease207RP1001X

Internal Medicine, Sleep Medicine207RS0012X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

4.1 / 5.0

22 reviews

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#27

Top Pain Medicine Doctors in Indiana, 2026

Pain Medicine · Indiana · 2026

#36

Top Depression Treatment Specialists in Indiana, 2026

Depression Treatment · Indiana · 2026

#37

Top Pain Medicine Doctors in Illinois, 2026

Pain Medicine · Illinois · 2026

#50

Top Psychiatrists in Indiana, 2026

Psychiatry · Indiana · 2026

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Frequently Asked Questions about Dr. Daniel Callahan, MD

Where does Dr. Daniel Callahan, MD practice?+
Dr. Daniel Callahan, MD practices in Illinois, IL. 3400 OLD MILTON PKWY # C STE 425 ALPHARETTA, GA 300053707.
What is Dr. Daniel Callahan, MD's phone number?+
Dr. Daniel Callahan, MD's practice phone is 770-343-8760. Office contact information is verified on the PBCMMG profile.
What does Dr. Daniel Callahan, MD specialize in?+
Dr. Daniel Callahan, MD's primary specialty is Psychiatry, with additional focus on Depression Treatment, Anxiety Treatment, Pain Medicine.
Is Dr. Daniel Callahan, MD board certified?+
Board certification status for Dr. Daniel 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. Daniel Callahan, MD been practicing?+
Dr. Daniel Callahan, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Daniel Callahan, MD's NPI number?+
Dr. Daniel Callahan, MD's National Provider Identifier (NPI) is 1598761223, 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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