Mrs. Barbara Giannelli-o'brien

LCSW | Mental Health Counselor | 36+ years Exp


  3771 Nesconset Hwy Ste 208a, South Setauket
     New York, 11720-1154
  631-751-9600    Maps & Directions
Mrs. Barbara Giannelli-o'brien is a South Setauket, New York based counselor with 36 years of experience in Mental Health Counselor. She completed her graduation from State University Of New York At Stony Brook, School Of Medicine in 1989. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Mrs. Barbara Giannelli-o'brien is R040503-1 for Mental Health Counselor in New York. Her current practice location is 3771 Nesconset Hwy Ste 208a, South Setauket. Patients can book an appointment with her at 631-751-9600.
Mrs. Barbara Giannelli-o'brien 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.
Complete Profile:
Mrs. Barbara Giannelli-o'brien speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Mrs. Barbara Giannelli-o'brien
Specialization: Mental Health Counselor
Gender:Female
Credentials: LCSW
Experience: 36+ years
Medical School Attended:State University Of New York At Stony Brook, School Of Medicine
Graduation Year:1989
Accepts Medicare Assignment:Yes
Practice Address:3771 Nesconset Hwy Ste 208a, South Setauket,
New York, 11720-1154
Phone:631-751-9600
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.
PAC ID: 5294723201
Enrollment ID: I20040506000054
NPI Number: 1144239484
NPI Enumeration Date: 05 Aug, 2006
NPI Last Update On: 08 Jul, 2007

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mrs. Barbara Giannelli-o'brien are as mentioned below.
License NumberSpecializationStateStatus
R040503-1Mental Health Counselor New YorkPrimary
Other Medical Identifiers:
Other legacy medical identifiers associated with Mrs. Barbara Giannelli-o'brien such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
21387OtherNevadaVYTRA VALUE OPTIONS
Medicare Quality Reporting:
Medicare Quality Reporting consists of various programs like PQRS, EHR, MHI etc.
PQRS She does not participate in the Physician Quality Reporting System Incentive Program.
EHR She does not participate in the Electronic Health Record Incentive Program.
MHI She does not participate in the Million Hearts Initiative Program.
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 3771 Nesconset Hwy Ste 208a,
South Setauket, New York
Zip: 11720-1154
Phone Number: 631-751-9600
Patients can reach Mrs. Barbara Giannelli-o'brien at 3771 Nesconset Hwy Ste 208a, South Setauket, New York or can call to book an appointment on 631-751-9600.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.

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