Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William John Laffan, LCPC-C

Individual provider Mental Health Counselor · NPI 1790551414

William John Laffan, LCPC-C is a Mental Health Counselor in Portland, Maine. Works from 3 locations. Licensed in Maine.

Licensed in
ME
In the registry since
2023
Specialties on file
2

Practice location Address checks out

165 Lancaster St
Portland, ME 04101-2406
Phone: (207) 874-1030
Fax: (207) 874-1044
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 12 Union St, Rockland, ME 04841-2739 — (207) 701-4481
  • 474 Main St, Springvale, ME 04083-1409 — (844) 292-0111

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence XL6897 (ME)
Mental Health Counselor Taxonomy 101YM0800X · Licence XL6897 (ME)

Record details

NPI number1790551414
Entity typeIndividual (Type 1)
GenderMale
Credentials LCPC-C
Sole proprietorNo
NPI enumeratedDecember 4, 2023
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025

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