Thomas Ryan O'leary is a Bethesda, Maryland based psychiatrist who is specialized in Psychiatry. His current practice location is 4494 North Palmer Road, Bethesda. Patients can reach him at 301-295-0537. Thomas Ryan O'leary NPI number (Unique professional ID assigned by NPPES) is 1699300814.
Thomas Ryan O'leary 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.
Complete Profile:
Thomas Ryan O'leary speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Thomas Ryan O'leary |
| Specialization: | Psychiatry |
| Gender: | Male |
| Practice Address: | 4494 North Palmer Road, Bethesda,
Maryland, 20889-0001 |
| Phone: | 301-295-0537 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1699300814 |
| NPI Enumeration Date: | 09 Mar, 2020 |
| NPI Last Update On: | 29 Sep, 2025 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Thomas Ryan O'leary
4494 North Palmer Road,
Bethesda, Maryland |
| Zip: | 20889-0001 |
| Phone Number: | 301-295-0537 |
Patients can reach Thomas Ryan O'leary at
4494 North Palmer Road, Bethesda, Maryland or can
call to book an appointment on 301-295-0537.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.