Psychologist | Clinical Psychology

Dr. Danielle Leah Rosnov-castelar, PH.D.

8140 Ashton Ave, Suite 200, Manassas, Virginia, 20109-5698

About Dr. Danielle Leah Rosnov-castelar

Dr. Danielle Leah Rosnov-castelar is a psychologist based in Manassas, Virginia who is specialized in Clinical Psychology. Active license number of Dr. Danielle Leah Rosnov-castelar is 0810004178 for Clinical Psychology in Virginia. Her current practice location is 8140 Ashton Ave, Suite 200, Manassas. Patients can contact her at 703-330-9933 or can fax her at 703-368-8454. Dr. Danielle Leah Rosnov-castelar, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1255669917.

Dr. Danielle Leah Rosnov-castelar is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Danielle Leah Rosnov-castelar'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 Dr. Danielle Leah Rosnov-castelar
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 8140 Ashton Ave, Suite 200
Manassas, VA - 20109-5698
Fax 703-368-8454

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 Number1255669917
NPI Enumeration Date: 18 Nov, 2009
NPI Last Update On: 18 Nov, 2009

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 Dr. Danielle Leah Rosnov-castelar are as mentioned below.

License NumberSpecializationStateStatus
0810004178Clinical Psychology VirginiaPrimary

Mailing Address

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

Dr. Danielle Leah Rosnov-castelar
8140 Ashton Ave, Suite 200
Manassas, VA - 20109-5698
Phone: 703-330-9933
Fax: 703-368-8454

Book an Appointment with Dr. Danielle Leah Rosnov-castelar

To schedule an appointment, contact Dr. Danielle Leah Rosnov-castelar at 8140 Ashton Ave, Suite 200, Manassas, Virginia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Danielle Leah Rosnov-castelar:

Dr. Danielle Leah Rosnov-castelar is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Danielle Leah Rosnov-castelar 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.

Dr. Danielle Leah Rosnov-castelar practices at 8140 Ashton Ave, Suite 200, Manassas, Virginia, 20109-5698.

To schedule an appointment with Dr. Danielle Leah Rosnov-castelar, please contact the office at 703-330-9933.

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