Addiction Therapist

Dr. Antoinette Lancaster, LPC, LCPC, MAC

6178 Oxon Hill Rd Ste 204, Oxon Hill, Maryland, 20745-3162

About Dr. Antoinette Lancaster

Dr. Antoinette Lancaster is a therapist based in Oxon Hill, Maryland who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Dr. Antoinette Lancaster is PRC14152 for Professional Counselor in District Of Columbia. Her current practice location is 6178 Oxon Hill Rd Ste 204, Oxon Hill. Patients can reach her at 202-239-5563 or can fax her at 240-204-8153. Dr. Antoinette Lancaster, LPC, LCPC, MAC, specializes in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1124360516.

Dr. 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.

Practice Information

Dr. Antoinette Lancaster specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Dr. Antoinette Lancaster
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LPC, LCPC, MAC
Gender Female
Practice Address: 6178 Oxon Hill Rd Ste 204,
Oxon Hill, MD - 20745-3162
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 Number1124360516
NPI Enumeration Date: 23 Mar, 2013
NPI Last Update On: 21 Nov, 2025

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. Antoinette Lancaster are as mentioned below.

License NumberSpecializationStateStatus
PRC14152Professional Counselor District Of ColumbiaPrimary
CACII1131Addiction (Substance Use Disorder) Counselor District Of ColumbiaSecondary
LC5764Professional Counselor MarylandSecondary

Mailing Address

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

Dr. Antoinette Lancaster
14303 Kenlon Ln,
Accokeek, MD - 20607-3745
Phone: 240-388-7795
Fax: 240-388-7795

Book an Appointment with Dr. Antoinette Lancaster

To schedule an appointment, contact Dr. Antoinette Lancaster at 6178 Oxon Hill Rd Ste 204, Oxon Hill, Maryland or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Antoinette Lancaster:

Antoinette Lancaster is a therapist specializing in Professional Counselor. She is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, Antoinette Lancaster 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.

Antoinette Lancaster practices at 6178 Oxon Hill Rd Ste 204, Oxon Hill, Maryland, 20745-3162.

To schedule an appointment with Antoinette Lancaster, please contact the office at 202-239-5563.

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