Dr. Donna D Hatziyianis Guarton
PH.D. | Clinical Psychologist
18 Mansfield Dr, Massapequa Park
New York, 11762-4034
516-448-0443 Maps & DirectionsDr. Donna D Hatziyianis Guarton is a Massapequa Park, New York based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Donna D Hatziyianis Guarton is 011485-1 for Clinical Psychology in New York. Her current practice location is 18 Mansfield Dr, Massapequa Park. Patients can reach her at 516-448-0443. Dr. Donna D Hatziyianis Guarton is PH.D. in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1265306385.
Dr. Donna D Hatziyianis Guarton 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.
Complete Profile:
Dr. Donna D Hatziyianis Guarton speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Donna D Hatziyianis Guarton |
| Specialization: | Clinical Psychology |
| Gender: | Female |
| Credentials: | PH.D. |
| Practice Address: | 18 Mansfield Dr, Massapequa Park,
New York, 11762-4034 |
| Phone: | 516-448-0443 |
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: | 1265306385 |
| NPI Enumeration Date: | 01 Oct, 2025 |
| NPI Last Update On: | 01 Oct, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Donna D Hatziyianis Guarton are as mentioned below.
| License Number | Specialization | State | Status | |
| 011485-1 | Clinical Psychology | New York | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Donna D Hatziyianis Guarton
18 Mansfield Dr,
Massapequa Park, New York |
| Zip: | 11762-4034 |
| Phone Number: | 544-804-4316 |
Patients can reach Dr. Donna D Hatziyianis Guarton at
18 Mansfield Dr, Massapequa Park, New York or can
call to book an appointment on 516-448-0443.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.