Mark A Williamson

MD | Psychiatry | Child & Adolescent | 40+ years Exp


  5901 Long Dr, Houston
     Texas, 77087-1003
  713-970-7000    713-970-7246 Maps & Directions
Mark A Williamson is a Houston, Texas based psychiatrist with 40 years of experience in Child & Adolescent. He completed his graduation from University Of Texas Medical Branch At Galveston in 1984. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Mark A Williamson is H4855 for Psychiatry in Texas. His current practice location is 5901 Long Dr, Houston. Patients can reach him at 713-970-7000 or can fax him at 713-970-7246. Mark A Williamson is MD in Child & Adolescent and his NPI number (Unique professional ID assigned by NPPES) is 1760591028.
Mark A Williamson has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Complete Profile:
Mark A Williamson speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: Mark A Williamson
Specialization: Child & Adolescent
Gender:Male
Credentials: MD
Experience: 40+ years
Medical School Attended:University Of Texas Medical Branch At Galveston
Graduation Year:1984
Accepts Medicare Assignment:Yes
Practice Address:5901 Long Dr, Houston,
Texas, 77087-1003
Phone:713-970-7000
Fax:713-970-7246
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.
PAC ID: 2961472444
Enrollment ID: I20071128000418
NPI Number: 1760591028
NPI Enumeration Date: 30 Aug, 2006
NPI Last Update On: 29 Jan, 2019

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 A Williamson are as mentioned below.
License NumberSpecializationStateStatus
H4855Psychiatry TexasPrimary
H4855Child & Adolescent TexasSecondary
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name with which Mark A Williamson is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
The Harris Center For Mental Health And Idd (9739088790)76
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Mark A Williamson
9401 Southwest Fwy,
Houston, Texas
Zip: 77074-1407
Phone Number: 713-970-7000
Fax Number: 713-970-7246
Patients can reach Mark A Williamson at 5901 Long Dr, Houston, Texas or can call to book an appointment on 713-970-7000.
Comments/ Reviews:

*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 11 November, 2024.