William O'sullivan is a Fernandina Beach, Florida based counselor who is specialized as Professional Counselor. His current practice location is 1890 S 14th St Ste 110, Fernandina Beach. Patients can book an appointment with him at 904-599-8320.
William O'sullivan is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.
Complete Profile:
William O'sullivan speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | William O'sullivan |
| Specialization: | Professional Counselor |
| Gender: | Male |
| Accepts Medicare Assignment: | No |
| Practice Address: | 1890 S 14th St Ste 110, Fernandina Beach,
Florida, 32034-4718 |
| Phone: | 904-599-8320 |
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: | 1801408877 |
| NPI Enumeration Date: | 20 Aug, 2020 |
| NPI Last Update On: | 20 Aug, 2020 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 1890 S 14th St Ste 110,
Fernandina Beach, Florida |
| Zip: | 32034-4718 |
| Phone Number: | 904-599-8320 |
Patients can reach William O'sullivan at
1890 S 14th St Ste 110, Fernandina Beach, Florida or can
call to book an appointment on 904-599-8320.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.