Mr. William Xavier Kelly

M.A., LMHC, LADC1 | Addiction (Substance Use Disorder) Counselor


  275 Millway, Barnstable
     Massachusetts, 02630-1102
  860-324-9720    Maps & Directions
Mr. William Xavier Kelly is a Barnstable, Massachusetts based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Mr. William Xavier Kelly is 7274 for Mental Health Counselor in Massachusetts. His current practice location is 275 Millway, Barnstable. Patients can book an appointment with him at 860-324-9720.
Mr. William Xavier Kelly is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.
Complete Profile:
Mr. William Xavier Kelly 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: Mr. William Xavier Kelly
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Male
Credentials: M.A., LMHC, LADC1
Accepts Medicare Assignment:No
Practice Address:275 Millway, Barnstable,
Massachusetts, 02630-1102
Phone:860-324-9720
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: 1851519441
NPI Enumeration Date: 22 Apr, 2007
NPI Last Update On: 09 Mar, 2010

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mr. William Xavier Kelly are as mentioned below.
License NumberSpecializationStateStatus
7274Mental Health Counselor MassachusettsPrimary
000668Addiction (Substance Use Disorder) Counselor ConnecticutSecondary
001149Marriage & Family Therapist ConnecticutSecondary
001719Professional Counselor ConnecticutSecondary
2304Addiction (Substance Use Disorder) Counselor MassachusettsSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 311 Village Grn N, Suite 160
Plymouth, Massachusetts
Zip: 02360-7761
Phone Number: 860-324-9720
Patients can reach Mr. William Xavier Kelly at 275 Millway, Barnstable, Massachusetts or can call to book an appointment on 860-324-9720.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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