Psychiatrist

John G. Denegre, MD

1020 N 27th St, Billings, Montana, 59101-0760

About John G. Denegre

John G. Denegre is a psychiatrist based in Billings, Montana who is specialized in Psychiatry. Active license number of John G. Denegre is 8675 for Psychiatry in Montana. His current practice location is 1020 N 27th St, Billings. Patients can contact him at 406-238-2500. John G. Denegre, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1134230972.

John G. Denegre 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

John G. Denegre'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 John G. Denegre
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 1020 N 27th St,
Billings, MT - 59101-0760

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 Number1134230972
NPI Enumeration Date: 31 Aug, 2006
NPI Last Update On: 30 Apr, 2013

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 John G. Denegre are as mentioned below.

License NumberSpecializationStateStatus
8675Psychiatry MontanaPrimary

Other Medical Identifiers

Other professional identifiers associated with John G. Denegre such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
1145900800OtherWyomingMDCD PIN
0018139OtherMontanaMDCD PIN
000019911OtherMontanaBCBS PIN

Mailing Address

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

John G. Denegre
Po Box 35100,
Billings, MT - 59107-5100
Phone: 406-238-2500

Book an Appointment with John G. Denegre

To schedule an appointment, contact John G. Denegre at 1020 N 27th St, Billings, Montana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John G. Denegre:

John G. Denegre 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, John G. Denegre 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.

John G. Denegre practices at 1020 N 27th St, Billings, Montana, 59101-0760.

To schedule an appointment with John G. Denegre, please contact the office at 406-238-2500.

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