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

3Rivers, Inc

Organization Developmentally Disabled Services Day Training Agency · NPI 1063473866

3Rivers, Inc is a Developmentally Disabled Services Day Training Agency in Gardiner, Maine. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

25 Winter St
Gardiner, ME 04345-1905
Phone: (207) 582-8021
Fax: (207) 582-2457
Show map & directions

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

Specialties & licences

Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility (primary) Taxonomy 320900000X
Developmentally Disabled Services Day Training Agency Taxonomy 251C00000X

Record details

NPI number1063473866
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ann-Marie Mayberry — Ceo · (207) 523-5171
NPI enumeratedMarch 31, 2006
Last updated in NPPESJuly 16, 2025
Certification dateJuly 16, 2025
Mailing address15 Saunders Way Ste 500g, Westbrook, ME 04092-4834

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