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

Aid to the Developmentally Disabled, Inc

Organization Mental Illness Intermediate Care Facility · NPI 1174770291

Aid to the Developmentally Disabled, Inc is a Mental Illness Intermediate Care Facility in Riverhead, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
Specialties on file
7
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

901 E Main St Ste 508
Riverhead, NY 11901-2680
Phone: (631) 727-6220
Fax: (631) 727-6553
Show map & directions

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

Specialties & licences

Mental Illness Intermediate Care Facility (primary) Taxonomy 310500000X · Licence 7569431 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569430 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569433 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569432 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569435 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569434 (NY)
Mental Illness Intermediate Care Facility Taxonomy 310500000X · Licence 7569731 (NY)

Record details

NPI number1174770291
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donald Rieb — Executive Director · (631) 727-6220
Other names Add, Inc
NPI enumeratedAugust 20, 2008
Last updated in NPPESApril 3, 2009
Mailing address901 E Main St, Suite 508, Riverhead, NY 11901-2680