Mark Matthew Sieg I

CAP, LCSW | Addiction (Substance Use Disorder) Counselor


  5826 27th Ave S, Gulfport
     Florida, 33707-5221
  727-301-0016    Maps & Directions
Mark Matthew Sieg I is a Gulfport, Florida based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Mark Matthew Sieg I is SW16209 for Social Worker in Florida. His current practice location is 5826 27th Ave S, Gulfport. Patients can book an appointment with him at 727-301-0016.
Mark Matthew Sieg I 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:
Mark Matthew Sieg I 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: Mark Matthew Sieg I
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Male
Credentials: CAP, LCSW
Accepts Medicare Assignment:No
Practice Address:5826 27th Ave S, Gulfport,
Florida, 33707-5221
Phone:727-301-0016
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: 1548831522
NPI Enumeration Date: 09 Jul, 2021
NPI Last Update On: 09 Jul, 2021

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mark Matthew Sieg I are as mentioned below.
License NumberSpecializationStateStatus
SW16209Social Worker FloridaPrimary
2544Addiction (Substance Use Disorder) Counselor FloridaSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 5826 27th Ave S,
Gulfport, Florida
Zip: 33707-5221
Phone Number: 727-301-0016
Patients can reach Mark Matthew Sieg I at 5826 27th Ave S, Gulfport, Florida or can call to book an appointment on 727-301-0016.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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