William John Laffan

LCPC-C | Mental Health Counselor


  165 Lancaster St, Portland
     Maine, 04101-2406
  207-874-1030    207-874-1044 Maps & Directions
William John Laffan is a Portland, Maine based counselor who is specialized as 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 book an appointment with him at 207-874-1030.
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.
Complete Profile:
William John Laffan speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: William John Laffan
Specialization: Mental Health Counselor
Gender:Male
Credentials: LCPC-C
Accepts Medicare Assignment:No
Practice Address:165 Lancaster St, Portland,
Maine, 04101-2406
Phone:207-874-1030
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 Number: 1790551414
NPI Enumeration Date: 04 Dec, 2023
NPI Last Update On: 08 Oct, 2025

Medical Licenses:
Doctors can have 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
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 165 Lancaster St,
Portland, Maine
Zip: 04101-2406
Phone Number: 207-874-1030
Fax Number: 207-874-1044
Patients can reach William John Laffan at 165 Lancaster St, Portland, Maine or can call to book an appointment on 207-874-1030.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.