Professional Therapist

William O'sullivan

1890 S 14th St Ste 110, Fernandina Beach, Florida, 32034-4718

About William O'sullivan

William O'sullivan is a therapist based in Fernandina Beach, Florida who is specialized in Professional Counselor. His current practice location is 1890 S 14th St Ste 110, Fernandina Beach. Patients can reach him at 904-599-8320. William O'sullivan NPI number (Unique professional ID assigned by NPPES) is 1801408877.

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.

Practice Information

William O'sullivan speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William O'sullivan
Specialization Professional Counselor
Gender Male
Practice Address: 1890 S 14th St Ste 110,
Fernandina Beach, FL - 32034-4718

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 Number1801408877
NPI Enumeration Date: 20 Aug, 2020
NPI Last Update On: 20 Aug, 2020

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William O'sullivan are as mentioned below.

License NumberSpecializationStateStatus
Professional Counselor FloridaPrimary

Mailing Address

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

William O'sullivan
1890 S 14th St Ste 110,
Fernandina Beach, FL - 32034-4718
Phone: 904-599-8320

Book an Appointment with William O'sullivan

To schedule an appointment, contact William O'sullivan at 1890 S 14th St Ste 110, Fernandina Beach, Florida or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William O'sullivan:

William O'sullivan is a therapist specializing in Professional Counselor. He 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.

Yes, William O'sullivan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

William O'sullivan practices at 1890 S 14th St Ste 110, Fernandina Beach, Florida, 32034-4718.

To schedule an appointment with William O'sullivan, please contact the office at 904-599-8320.

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