Mental Health Therapist | 28+ years experience

Peter D. Williamson, LCSW

138 W 25th St Ste 802a7, New York, New York, 10001-7405

About Peter D. Williamson

Peter D. Williamson is a therapist based in New York, New York with 28 years of experience in Mental Health Counselor. He completed his graduation in 1998. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Peter D. Williamson is 0718501 for Mental Health Counselor in New York. His current practice location is 138 W 25th St Ste 802a7, New York. Patients can reach him at 646-427-8746. Peter D. Williamson, LCSW, specializes in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1245399567.

Peter D. Williamson is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Peter D. Williamson specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Peter D. Williamson
Specialization Mental Health Counselor
Credentials LCSW
Accepts Medicare Assignment Yes
Experience 28+ years
Graduation Year 1998
Gender Male
Practice Address: 138 W 25th St Ste 802a7,
New York, NY - 10001-7405

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 0941216873
Enrollment ID I20060301000326
NPI Number1245399567
NPI Enumeration Date: 06 Dec, 2006
NPI Last Update On: 05 Apr, 2024

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 Peter D. Williamson are as mentioned below.

License NumberSpecializationStateStatus
0718501Mental Health Counselor New YorkPrimary

Mailing Address

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

Peter D. Williamson
29 Claremont Ave # 6n,
New York, NY - 10027-6814
Phone: 646-610-9767
Fax: 212-663-7716

Book an Appointment with Peter D. Williamson

To schedule an appointment, contact Peter D. Williamson at 138 W 25th St Ste 802a7, New York, New York or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Peter D. Williamson:

Peter D. Williamson is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Peter D. Williamson has approximately 28 years of experience in Mental Health Counselor.

Yes, Peter D. Williamson accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Peter D. 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.

Peter D. Williamson practices at 138 W 25th St Ste 802a7, New York, New York, 10001-7405.

To schedule an appointment with Peter D. Williamson, please contact the office at 646-427-8746.

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