Psychiatrist | 46+ years experience

Robert S Castroll, MD

222 Middle Country Rd, Suite 210, Smithtown, New York, 11787-2814

About Robert S Castroll

Robert S Castroll is a psychiatrist based in Smithtown, New York with 46 years of experience in Psychiatry. He completed his graduation from University Of Kansas School Of Med (kc/wich/sal) in 1980. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Robert S Castroll is 147428 for Psychiatry in New York. His current practice location is 222 Middle Country Rd, Suite 210, Smithtown. Patients can contact him at 631-265-6868 or can fax him at 631-265-6890. Robert S Castroll, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1407929003.

Robert S Castroll specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Robert S Castroll'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 Robert S Castroll
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 46+ years
Medical School Attended University Of Kansas School Of Med (kc/wich/sal)
Graduation Year 1980
Gender Male
Practice Address: 222 Middle Country Rd, Suite 210
Smithtown, NY - 11787-2814
Fax 631-265-6890

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.

PAC ID 7416135207
Enrollment ID I20111228000339
NPI Number1407929003
NPI Enumeration Date: 15 Nov, 2006
NPI Last Update On: 28 Jan, 2008

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 Robert S Castroll are as mentioned below.

License NumberSpecializationStateStatus
147428Psychiatry New YorkPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Robert S Castroll is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
North Shore Psychiatric Consultants Pc (1456240928)6

Other Medical Identifiers

Other professional identifiers associated with Robert S Castroll such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00870553MedicaidNew York

Mailing Address

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

Robert S Castroll
222 Middle Country Rd, Suite 210
Smithtown, NY - 11787-2814
Phone: 631-265-6868
Fax: 631-265-6890

Book an Appointment with Robert S Castroll

To schedule an appointment, contact Robert S Castroll at 222 Middle Country Rd, Suite 210, Smithtown, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Robert S Castroll:

Robert S Castroll is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Robert S Castroll completed his education (MD) from University Of Kansas School Of Med (kc/wich/sal) in 1980.

Robert S Castroll has approximately 46 years of experience in Psychiatry.

Yes, Robert S Castroll accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Robert S Castroll 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.

Robert S Castroll practices at 222 Middle Country Rd, Suite 210, Smithtown, New York, 11787-2814.

To schedule an appointment with Robert S Castroll, please contact the office at 631-265-6868.

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