Psychologist | Health Service Psychology

Thomas Leo Diana, PH.D.

66 E 3rd St, Winona, Minnesota, 55987-3478

About Thomas Leo Diana

Thomas Leo Diana is a psychologist based in Winona, Minnesota who is specialized in Health Service Psychology. Active license number of Thomas Leo Diana is LP1219 for Health Service Psychology in Minnesota. His current practice location is 66 E 3rd St, Winona. Patients can contact him at 507-452-1021 or can fax him at 507-452-1504. Thomas Leo Diana, PH.D., specializes in Health Service Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1093874281.

Thomas Leo Diana is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Practice Information

Thomas Leo Diana'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 Thomas Leo Diana
Specialization Health Service Psychology
Credentials PH.D.
Gender Male
Practice Address: 66 E 3rd St,
Winona, MN - 55987-3478
Fax 507-452-1504

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 Number1093874281
NPI Enumeration Date: 06 Dec, 2006
NPI Last Update On: 22 Jan, 2010

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 Thomas Leo Diana are as mentioned below.

License NumberSpecializationStateStatus
LP1219Health Service Psychology MinnesotaPrimary

Other Medical Identifiers

Other professional identifiers associated with Thomas Leo Diana such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
731291041000OtherMinnesotaPREFERRED ONE
126921OtherMinnesotaUCARE
200048200MedicaidMinnesota
78G63DIOtherMinnesotaBCBS-MN
HP41036OtherMinnesotaHEALTHPARTNERS

Mailing Address

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

Thomas Leo Diana
66 E 3rd St,
Winona, MN - 55987-3478
Phone: 507-452-1021
Fax: 507-452-1504

Book an Appointment with Thomas Leo Diana

To schedule an appointment, contact Thomas Leo Diana at 66 E 3rd St, Winona, Minnesota or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Thomas Leo Diana:

Thomas Leo Diana is a psychologist specializing in Health Service Psychology. He is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Yes, Thomas Leo Diana 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.

Thomas Leo Diana practices at 66 E 3rd St, Winona, Minnesota, 55987-3478.

To schedule an appointment with Thomas Leo Diana, please contact the office at 507-452-1021.

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