NPPES file of Aug 9, 2026

Developmental Disabilities Institute

Developmental Disabilities Institute holds 14 active organization NPIs in the federal registry, with practice locations in 7 New York cities. 9 list intellectual disabilities intermediate care facility as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Smithtown has the most NPIs, 5

  1. Smithtown5
  2. Huntington4
  3. Greenlawn1
  4. Melville1
  5. Mount Sinai1
  6. Riverhead1
  7. Ronkonkoma1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2008 and 2014

Developmental Disabilities Institute NPIs by year issued2006: 2, 2007: 0, 2008: 6, 2009: 1, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 4024620062007200820092010201120122013201464211
Developmental Disabilities Institute NPIs by year issued2006: 2, 2007: 0, 2008: 6, 2009: 1, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 4024620062007200820092010201120122013201464211
Developmental Disabilities Institute NPIs by year issued2006: 2, 2007: 0, 2008: 6, 2009: 1, 2010: 0, 2011: 0, 2012: 1, 2013: 0, 2014: 4024620062007200820092010201120122013201464211

Source: CMS NPPES, enumeration dates.

6 NPIs were issued in 2008 alone, more than in any other year; none in 4 of the years between.

Smithtown locations

The city with the most Developmental Disabilities Institute NPIs. The full list of all 14 follows.

NPILocationPrimary taxonomyIssued
170081929999 HOLLYWOOD DR, SmithtownIntellectual and/or Developmental Disabilities Community Based Residential Treatment FacilityJul 8, 2006
159893082899 HOLLYWOOD DR, SmithtownIntellectual Disabilities Intermediate Care FacilityApr 28, 2008
139691062675 LANDING MEADOW RD, SmithtownDevelopmental Disabilities Clinic/CenterApr 28, 2008
148782046099 HOLLYWOOD DR, SmithtownIntellectual Disabilities Intermediate Care FacilityApr 30, 2008
172022996699 HOLLYWOOD DR, SmithtownCommunity Health Clinic/CenterMar 18, 2009
All 14 locations, by city
NPILocationPrimary taxonomyIssued
170005133118 ALVORD CT, GreenlawnIntellectual Disabilities Intermediate Care FacilityApr 24, 2008
111433185725 LITTLE PLAINS RD, HuntingtonIntellectual Disabilities Intermediate Care FacilityJun 19, 2014
157897828425 LITTLE PLAINS RD, HuntingtonIntellectual Disabilities Intermediate Care FacilityJun 23, 2014
174069545125 LITTLE PLAINS RD, HuntingtonIntellectual Disabilities Intermediate Care FacilityJun 23, 2014
165978636625 LITTLE PLAINS RD, HuntingtonIntellectual Disabilities Intermediate Care FacilityJun 23, 2014
1780859561197 OLD SOUTH PATH, MelvilleIntellectual Disabilities Intermediate Care FacilityApr 23, 2008
1063687762699 MT SINAI RD, Mount SinaiIntellectual Disabilities Intermediate Care FacilityApr 24, 2008
1144273996883 E MAIN ST, RiverheadCommunity Health Clinic/CenterMay 19, 2006
121520716290 AIRPARK DR., RonkonkomaEarly Intervention Provider AgencyJan 10, 2012
170081929999 HOLLYWOOD DR, SmithtownIntellectual and/or Developmental Disabilities Community Based Residential Treatment FacilityJul 8, 2006
159893082899 HOLLYWOOD DR, SmithtownIntellectual Disabilities Intermediate Care FacilityApr 28, 2008
139691062675 LANDING MEADOW RD, SmithtownDevelopmental Disabilities Clinic/CenterApr 28, 2008
148782046099 HOLLYWOOD DR, SmithtownIntellectual Disabilities Intermediate Care FacilityApr 30, 2008
172022996699 HOLLYWOOD DR, SmithtownCommunity Health Clinic/CenterMar 18, 2009

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Developmental Disabilities Institute have 14 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Developmental Disabilities Institute's NPIs list practice locations in 7 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.