Psychologist

Alison Witmer Thir, PSY.D

134 Main St Ste 202, Prince Frederick, Maryland, 20678-6150

About Alison Witmer Thir

Alison Witmer Thir is a psychologist based in Prince Frederick, Maryland who is specialized in Psychology. Active license number of Alison Witmer Thir is 04728 for Clinical Psychology in Maryland. Her current practice location is 134 Main St Ste 202, Prince Frederick. Patients can contact her at 301-744-7775. Alison Witmer Thir, PSY.D, specializes in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1073846705.

Alison Witmer Thir is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Alison Witmer Thir'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 Alison Witmer Thir
Specialization Psychology
Credentials PSY.D
Gender Female
Practice Address: 134 Main St Ste 202,
Prince Frederick, MD - 20678-6150

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 Number1073846705
NPI Enumeration Date: 14 Sep, 2009
NPI Last Update On: 13 Jun, 2023

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 Alison Witmer Thir are as mentioned below.

License NumberSpecializationStateStatus
04728Clinical Psychology MarylandPrimary
Counselor Secondary

Other Medical Identifiers

Other professional identifiers associated with Alison Witmer Thir such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
589561802MedicaidMaryland

Mailing Address

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

Alison Witmer Thir
3120 Mayberry Ave,
Huntingtown, MD - 20639-3910
Phone: 703-568-0900

Book an Appointment with Alison Witmer Thir

To schedule an appointment, contact Alison Witmer Thir at 134 Main St Ste 202, Prince Frederick, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Alison Witmer Thir:

Alison Witmer Thir 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, Alison Witmer Thir 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.

Alison Witmer Thir practices at 134 Main St Ste 202, Prince Frederick, Maryland, 20678-6150.

To schedule an appointment with Alison Witmer Thir, please contact the office at 301-744-7775.

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