Psychiatrist | Sleep Medicine Psychiatry

Geoffrey B Hartwig, MD

415 S 28th Ave, Hattiesburg, Mississippi, 39401-7246

About Geoffrey B Hartwig

Geoffrey B Hartwig is a psychiatrist based in Hattiesburg, Mississippi who is specialized in Sleep Medicine Psychiatry. Active license number of Geoffrey B Hartwig is 09059 for Sleep Medicine Psychiatry in Mississippi. His current practice location is 415 S 28th Ave, Hattiesburg. Patients can contact him at 601-268-5620 or can fax him at 601-268-5851. Geoffrey B Hartwig, MD, specializes in Sleep Medicine Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1235141888.

Geoffrey B Hartwig specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Practice Information

Geoffrey B Hartwig'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 Geoffrey B Hartwig
Specialization Sleep Medicine Psychiatry
Credentials MD
Gender Male
Practice Address: 415 S 28th Ave,
Hattiesburg, MS - 39401-7246
Fax 601-268-5851

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 Number1235141888
NPI Enumeration Date: 12 Aug, 2006
NPI Last Update On: 30 Jan, 2015

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 Geoffrey B Hartwig are as mentioned below.

License NumberSpecializationStateStatus
09059Sleep Medicine Psychiatry MississippiPrimary

Other Medical Identifiers

Other professional identifiers associated with Geoffrey B Hartwig such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00019370MedicaidMississippi
409113663OtherRAILROAD MEDICARE
1558946OtherMississippiAMERICAN ADMIN GROUP
1589586MedicaidLouisiana

Mailing Address

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

Geoffrey B Hartwig
415 S 28th Ave,
Hattiesburg, MS - 39401-7246
Phone: 601-579-5463
Fax: 601-579-5240

Book an Appointment with Geoffrey B Hartwig

To schedule an appointment, contact Geoffrey B Hartwig at 415 S 28th Ave, Hattiesburg, Mississippi or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Geoffrey B Hartwig:

Geoffrey B Hartwig is a psychiatrist specializing in Sleep Medicine Psychiatry. He specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Yes, Geoffrey B Hartwig 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.

Geoffrey B Hartwig practices at 415 S 28th Ave, Hattiesburg, Mississippi, 39401-7246.

To schedule an appointment with Geoffrey B Hartwig, please contact the office at 601-268-5620.

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