Mental Health Therapist

Nathaniel M Grassi, MS

836 Prudential Dr Ste 1507, Jacksonville, Florida, 32207-8342

About Nathaniel M Grassi

Nathaniel M Grassi is a therapist based in Jacksonville, Florida who is specialized in Mental Health Counselor. Active license number of Nathaniel M Grassi is MH25377 for Mental Health Counselor in Florida. Her current practice location is 836 Prudential Dr Ste 1507, Jacksonville. Patients can reach her at 904-376-3800. Nathaniel M Grassi is MS in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1881371615.

Nathaniel M Grassi is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Nathaniel M Grassi 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 Nathaniel M Grassi
Specialization Mental Health Counselor
Credentials MS
Gender Female
Practice Address: 836 Prudential Dr Ste 1507,
Jacksonville, FL - 32207-8342

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 Number1881371615
NPI Enumeration Date: 03 Jul, 2023
NPI Last Update On: 27 Apr, 2026

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 Nathaniel M Grassi are as mentioned below.

License NumberSpecializationStateStatus
MH25377Mental Health 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.

Nathaniel M Grassi
Po Box 748519,
Atlanta, GA - 30374-8519
Phone: 904-376-3800

Book an Appointment with Nathaniel M Grassi

To schedule an appointment, contact Nathaniel M Grassi at 836 Prudential Dr Ste 1507, Jacksonville, Florida or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Nathaniel M Grassi:

Nathaniel M Grassi is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Nathaniel M Grassi is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Nathaniel M Grassi practices at 836 Prudential Dr Ste 1507, Jacksonville, Florida, 32207-8342.

To schedule an appointment with Nathaniel M Grassi, please contact the office at 904-376-3800.

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