Psychiatrist

Peter Gallagher, MD

8555 Taft St, Merrillville, Indiana, 46410-6123

About Peter Gallagher

Peter Gallagher is a psychiatrist based in Merrillville, Indiana who is specialized in Psychiatry. Active license number of Peter Gallagher is 01059467A for Psychiatry in Indiana. His current practice location is 8555 Taft St, Merrillville. Patients can contact him at 219-769-4005 or can fax him at 219-769-2508. Peter Gallagher, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1174517841.

Peter Gallagher specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Peter Gallagher's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Peter Gallagher
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 8555 Taft St,
Merrillville, IN - 46410-6123
Fax 219-769-2508

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1174517841
NPI Enumeration Date: 08 Sep, 2005
NPI Last Update On: 13 Jul, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Peter Gallagher are as mentioned below.

License NumberSpecializationStateStatus
01059467APsychiatry IndianaPrimary

Other Medical Identifiers

Other professional identifiers associated with Peter Gallagher such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
000000342636OtherIndianaANTHEM BC/BS

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Peter Gallagher
8400 Louisiana St,
Merrillville, IN - 46410-6385
Phone: 219-757-1928
Fax: 219-757-1950

Book an Appointment with Peter Gallagher

To schedule an appointment, contact Peter Gallagher at 8555 Taft St, Merrillville, Indiana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Peter Gallagher:

Peter Gallagher is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Peter Gallagher is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Peter Gallagher practices at 8555 Taft St, Merrillville, Indiana, 46410-6123.

To schedule an appointment with Peter Gallagher, please contact the office at 219-769-4005.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.