Psychologist

Dr. Melissa Castillo, PHD

777 W Putnam Ave Ste 300, Greenwich, Connecticut, 06830-5000

About Dr. Melissa Castillo

Dr. Melissa Castillo is a psychologist based in Greenwich, Connecticut who is specialized in Psychology. Active license number of Dr. Melissa Castillo is 003993 for Clinical Psychology in Connecticut. Her current practice location is 777 W Putnam Ave Ste 300, Greenwich. Patients can contact her at 203-649-8200 or can fax her at 203-648-8211. Dr. Melissa Castillo, PHD, specializes in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1548496458.

Dr. Melissa Castillo is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Melissa Castillo'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. Melissa Castillo
Specialization Psychology
Credentials PHD
Gender Female
Practice Address: 777 W Putnam Ave Ste 300,
Greenwich, CT - 06830-5000
Fax 203-648-8211

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 Number1548496458
NPI Enumeration Date: 05 Jun, 2009
NPI Last Update On: 18 Jan, 2023

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. Melissa Castillo are as mentioned below.

License NumberSpecializationStateStatus
003993Clinical Psychology ConnecticutPrimary
Student in an Organized Health Care Education/Training Program Secondary

Other Medical Identifiers

Other professional identifiers associated with Dr. Melissa Castillo such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
004040655MedicaidConnecticut

Mailing Address

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

Dr. Melissa Castillo
777 W Putnam Ave Ste 300,
Greenwich, CT - 06830-5000
Phone: 203-649-8200
Fax: 203-649-8211

Book an Appointment with Dr. Melissa Castillo

To schedule an appointment, contact Dr. Melissa Castillo at 777 W Putnam Ave Ste 300, Greenwich, Connecticut or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Melissa Castillo:

Dr. Melissa Castillo 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. Melissa Castillo 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. Melissa Castillo practices at 777 W Putnam Ave Ste 300, Greenwich, Connecticut, 06830-5000.

To schedule an appointment with Dr. Melissa Castillo, please contact the office at 203-649-8200.

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