Dr. David Glenn Markwell

PHD, LPC, NCC | Professional Counselor


  4343 Shallowford Rd Ste 220, Marietta
     Georgia, 30062-5077
  770-993-9700    770-993-9800 Maps & Directions
Dr. David Glenn Markwell is a Marietta, Georgia based counselor who is specialized as Professional Counselor. Active license number of Dr. David Glenn Markwell is 3565 for Professional Counselor in Georgia. His current practice location is 4343 Shallowford Rd Ste 220, Marietta. Patients can book an appointment with him at 770-993-9700.
Dr. David Glenn Markwell is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He 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.
Complete Profile:
Dr. David Glenn Markwell 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: Dr. David Glenn Markwell
Specialization: Professional Counselor
Gender:Male
Credentials: PHD, LPC, NCC
Accepts Medicare Assignment:No
Practice Address:4343 Shallowford Rd Ste 220, Marietta,
Georgia, 30062-5077
Phone:770-993-9700
Fax:770-993-9800
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: 1336173541
NPI Enumeration Date: 11 Jul, 2006
NPI Last Update On: 23 Feb, 2022

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. David Glenn Markwell are as mentioned below.
License NumberSpecializationStateStatus
3565Professional Counselor GeorgiaPrimary
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. David Glenn Markwell such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
201137OtherGeorgiaBLUE CROSS BLUE SHIELD
2013OtherTRICARE
376933122CMedicaidGeorgia
285087495OtherUNITED BEHAVORIAL
477177000OtherGeorgiaMAGELLAN
7007423OtherGeorgiaAETNA
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 4343 Shallowford Rd Ste 220,
Marietta, Georgia
Zip: 30062-5077
Phone Number: 770-993-9700
Fax Number: 770-993-9800
Patients can reach Dr. David Glenn Markwell at 4343 Shallowford Rd Ste 220, Marietta, Georgia or can call to book an appointment on 770-993-9700.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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