Psychologist | Clinical Psychology

Mary Todd Williamson, PHD

3217 S Providence Rd, Columbia, Missouri, 65203-3639

About Mary Todd Williamson

Mary Todd Williamson is a psychologist based in Columbia, Missouri who is specialized in Clinical Psychology. Active license number of Mary Todd Williamson is PY01775 for Clinical Psychology in Missouri. Her current practice location is 3217 S Providence Rd, Columbia. Patients can contact her at 573-884-7733 or can fax her at 573-884-5559. Mary Todd Williamson, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1821041021.

Mary Todd Williamson is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Mary Todd Williamson's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Mary Todd Williamson
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 3217 S Providence Rd,
Columbia, MO - 65203-3639
Fax 573-884-5559

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1821041021
NPI Enumeration Date: 18 May, 2006
NPI Last Update On: 25 Sep, 2008

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 Mary Todd Williamson are as mentioned below.

License NumberSpecializationStateStatus
PY01775Clinical Psychology MissouriPrimary

Other Medical Identifiers

Other professional identifiers associated with Mary Todd Williamson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
680007308OtherMissouriRR MEDICARE
P00415787OtherMissouriRAILROAD MEDICARE
498143601MedicaidMissouri

Mailing Address

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

Mary Todd Williamson
Po Box 7687,
Columbia, MO - 65205-7687
Phone: 573-882-2259

Book an Appointment with Mary Todd Williamson

To schedule an appointment, contact Mary Todd Williamson at 3217 S Providence Rd, Columbia, Missouri or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mary Todd Williamson:

Mary Todd Williamson is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Mary Todd Williamson 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.

Mary Todd Williamson practices at 3217 S Providence Rd, Columbia, Missouri, 65203-3639.

To schedule an appointment with Mary Todd Williamson, please contact the office at 573-884-7733.

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