Antoinette Lancaster

LPC, NCC, MAC | Addiction (Substance Use Disorder) Counselor


  1629 K St Nw, Suite 300, Washington
     District Of Columbia, 20006-1602
  202-239-5563    240-204-8153 Maps & Directions
Antoinette Lancaster is a Washington, District Of Columbia based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Antoinette Lancaster is PRC14152 for Professional Counselor in District Of Columbia. Her current practice location is 1629 K St Nw, Suite 300, Washington. Patients can book an appointment with her at 202-239-5563.
Antoinette Lancaster is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her 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:
Antoinette Lancaster 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: Antoinette Lancaster
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Female
Credentials: LPC, NCC, MAC
Accepts Medicare Assignment:No
Practice Address:1629 K St Nw, Suite 300, Washington,
District Of Columbia, 20006-1602
Phone:202-239-5563
Fax:240-204-8153
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: 1124360516
NPI Enumeration Date: 23 Mar, 2013
NPI Last Update On: 22 Jul, 2014

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Antoinette Lancaster are as mentioned below.
License NumberSpecializationStateStatus
PRC14152Professional Counselor District Of ColumbiaPrimary
CACII1131Addiction (Substance Use Disorder) Counselor District Of ColumbiaSecondary
LC5764Professional Counselor MarylandSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 14303 Kenlon Ln,
Accokeek, Maryland
Zip: 20607-3745
Phone Number: 240-388-7795
Fax Number: 240-388-7795
Patients can reach Antoinette Lancaster at 1629 K St Nw, Suite 300, Washington, District Of Columbia or can call to book an appointment on 202-239-5563.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.

Comments/ Reviews: