WILLIAM JOHN LAFFAN LCPC-C
NPI 1790551414
Counselor - Professional in Portland, ME

Active since December 04, 2023
165 LANCASTER ST, PORTLAND, ME 04101(207) 874-1030(207) 874-1044 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 8, 2025, Dec 7, 2023 (2 updates tracked since 2023).

About William John Laffan Lcpc-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM JOHN LAFFAN LCPC-C (NPI 1790551414) is an individual professional provider in Portland, Maine, licensed in Maine (XL6897) and active in the NPI registry since December 2023. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790551414
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameWILLIAM JOHN LAFFANCredential: LCPC-C
Location Address165 LANCASTER STPortland, ME 04101-2406
Mailing Address165 Lancaster StPortland, ME 04101-2406 · (207) 874-1030 · Fax (207) 874-1044
Fax(207) 874-1044
Sole ProprietorNo
Enumeration DateDecember 4, 2023
Last NPPES UpdateOctober 8, 20252 updates tracked since enumeration
NPPES CertifiedOctober 8, 2025
NPI 1790551414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in ME · XL6897
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License XL6897 (ME)
165 LANCASTER ST, Portland, ME 04101

Other Names 1

Former Name (1)William John Anderson

Secondary Practice Locations 2

Location 1474 Main StSpringvale, ME 04083-1409 · Phone (844) 292-0111 · Fax (207) 490-5263
Location 212 Union StRockland, ME 04841-2739 · Phone (207) 701-4481

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Nurse Practitioner (Psychiatric/Mental Health)
165 LANCASTER ST
PORTLAND, ME 04101
Counselor (Professional)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Psychiatry & Neurology (Child & Adolescent Psychiatry)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Laffan's NPI number?

The NPI number for William Laffan is 1790551414. It was assigned to this individual provider in the NPPES registry on December 4, 2023. The provider is also known as William John Anderson.

Where is William Laffan located?

William Laffan practices at 165 Lancaster St, Portland, ME 04101. The listed phone number is (207) 874-1030.

What is William Laffan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for William Laffan was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.