Mental Health Therapist

William John Laffan, LCPC-C

165 Lancaster St, Portland, Maine, 04101-2406

About William John Laffan

William John Laffan is a therapist based in Portland, Maine who is specialized in Mental Health Counselor. Active license number of William John Laffan is XL6897 for Professional Counselor in Maine. His current practice location is 165 Lancaster St, Portland. Patients can reach him at 207-874-1030 or can fax him at 207-874-1044. William John Laffan is LCPC-C in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1790551414.

William John Laffan 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

William John Laffan speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William John Laffan
Specialization Mental Health Counselor
Credentials LCPC-C
Gender Male
Practice Address: 165 Lancaster St,
Portland, ME - 04101-2406
Fax 207-874-1044

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 Number1790551414
NPI Enumeration Date: 04 Dec, 2023
NPI Last Update On: 08 Oct, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William John Laffan are as mentioned below.

License NumberSpecializationStateStatus
XL6897Professional Counselor MainePrimary
XL6897Mental Health Counselor MaineSecondary

Mailing Address

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

William John Laffan
165 Lancaster St,
Portland, ME - 04101-2406
Phone: 207-874-1030
Fax: 207-874-1044

Book an Appointment with William John Laffan

To schedule an appointment, contact William John Laffan at 165 Lancaster St, Portland, Maine or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William John Laffan:

William John Laffan is a therapist specializing in Professional Counselor. He is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, William John Laffan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

William John Laffan practices at 165 Lancaster St, Portland, Maine, 04101-2406.

To schedule an appointment with William John Laffan, please contact the office at 207-874-1030.

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