Addiction Therapist

Mrs. Gwendolyn Marcella Blacknall, LGADC

65 Duke St Ste 203, Prince Frederick, Maryland, 20678-6128

About Mrs. Gwendolyn Marcella Blacknall

Mrs. Gwendolyn Marcella Blacknall is a therapist based in Prince Frederick, Maryland who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Mrs. Gwendolyn Marcella Blacknall is LGA2466 for Addiction (Substance Use Disorder) Counselor in Maryland. Her current practice location is 65 Duke St Ste 203, Prince Frederick. Patients can reach her at 443-824-4818. Mrs. Gwendolyn Marcella Blacknall is LGADC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1275171217.

Mrs. Gwendolyn Marcella Blacknall 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

Mrs. Gwendolyn Marcella Blacknall speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Mrs. Gwendolyn Marcella Blacknall
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LGADC
Gender Female
Practice Address: 65 Duke St Ste 203,
Prince Frederick, MD - 20678-6128

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 Number1275171217
NPI Enumeration Date: 19 Dec, 2019
NPI Last Update On: 19 Dec, 2019

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mrs. Gwendolyn Marcella Blacknall are as mentioned below.

License NumberSpecializationStateStatus
LGA2466Addiction (Substance Use Disorder) Counselor MarylandPrimary

Mailing Address

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

Mrs. Gwendolyn Marcella Blacknall
65 Duke St,
Prince Frederick, MD - 20678-6128
Phone: 443-404-5751

Book an Appointment with Mrs. Gwendolyn Marcella Blacknall

To schedule an appointment, contact Mrs. Gwendolyn Marcella Blacknall at 65 Duke St Ste 203, Prince Frederick, Maryland or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mrs. Gwendolyn Marcella Blacknall:

Mrs. Gwendolyn Marcella Blacknall is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She 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.

Yes, Mrs. Gwendolyn Marcella Blacknall is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mrs. Gwendolyn Marcella Blacknall practices at 65 Duke St Ste 203, Prince Frederick, Maryland, 20678-6128.

To schedule an appointment with Mrs. Gwendolyn Marcella Blacknall, please contact the office at 443-824-4818.

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