Registry data as of Aug 27, 2026

First Step Therapy

First Step Therapy holds 19 active organization NPIs in the federal registry, with practice locations in 12 cities in 5 states. 11 list behavior analyst 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 →

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

Find a location's NPI

Kissimmee, FL has the most NPIs, 6

  1. Kissimmee, FL6
  2. Tampa, FL2
  3. Frederiksted, VI2
  4. Gilbert, AZ1
  5. Eustis, FL1
  6. Lakeland, FL1
  7. Leesburg, FL1
  8. Longwood, FL1

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

Most NPIs were issued in 2023 and 2024

First Step Therapy NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 2, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 1, 2023: 4, 2024: 7, 2025: 102468200720092011201320152017201920212023202542024: 71121111
First Step Therapy NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 2, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 1, 2023: 4, 2024: 7, 2025: 102468200720092011201320152017201920212023202542024: 71121111
First Step Therapy NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 2, 2017: 1, 2018: 0, 2019: 0, 2020: 0, 2021: 1, 2022: 1, 2023: 4, 2024: 7, 2025: 10246820072010201320162019202220252023: 42024: 71121111

Source: CMS NPPES, enumeration dates.

7 NPIs were issued in 2024 alone, more than in any other year; none in 11 of the years between.

Kissimmee, FL locations

The city with the most First Step Therapy NPIs. The full list of all 19 follows.

NPILocationPrimary taxonomyIssued
18314200331200 N CENTRAL AVE, Kissimmee, FLClinic/CenterJan 27, 2010
18712621471200 N CENTRAL AVE STE 110, Kissimmee, FLSpeech-Language AssistantSep 9, 2021
11641787521200 N CENTRAL AVE STE 110, Kissimmee, FLEarly Intervention Provider AgencyFeb 23, 2022
14076197521200 N CENTRAL AVE, Kissimmee, FLBehavior AnalystJan 31, 2024
10632753374543 PLEASANT HILL RD, Kissimmee, FLBehavior AnalystJan 31, 2024
19329660254543 PLEASANT HILL RD STE A-C, Kissimmee, FLBehavior AnalystMar 5, 2024
All 19 locations, by state and city
NPILocationPrimary taxonomyIssued
15380296321515 N GILBERT RD STE 107-605, Gilbert, AZMental Health Clinic/Center (Including Community Mental Health Center)Nov 12, 2025
1356129159437 W ARDICE AVE SUITE 481, Eustis, FLBehavior AnalystSep 21, 2023
18314200331200 N CENTRAL AVE, Kissimmee, FLClinic/CenterJan 27, 2010
18712621471200 N CENTRAL AVE STE 110, Kissimmee, FLSpeech-Language AssistantSep 9, 2021
11641787521200 N CENTRAL AVE STE 110, Kissimmee, FLEarly Intervention Provider AgencyFeb 23, 2022
14076197521200 N CENTRAL AVE, Kissimmee, FLBehavior AnalystJan 31, 2024
10632753374543 PLEASANT HILL RD, Kissimmee, FLBehavior AnalystJan 31, 2024
19329660254543 PLEASANT HILL RD STE A-C, Kissimmee, FLBehavior AnalystMar 5, 2024
1366220352520 S FLORIDA AVE, Lakeland, FLBehavior AnalystSep 20, 2023
1609654698606 S 9TH ST, Leesburg, FLBehavior AnalystSep 20, 2023
11642854902639 W SR 434, Longwood, FLBehavior AnalystJan 31, 2024
15086470589367 TREVARTHON RD, Orlando, FLBehavior AnalystOct 11, 2023
16298280901750 N 50TH ST, Tampa, FLBehavior AnalystMar 26, 2024
17309108523550 W WATERS AVE STE 110, Tampa, FLBehavior AnalystAug 10, 2024
1275396244400 NORTH LAKE HOWARD, Winter Haven, FLBehavior AnalystFeb 2, 2024
19029837943909 OLEANDER DR SUITE D, Wilmington, NCPhysical TherapistNov 1, 2006
17407004912955 BRIGHTON 4TH STREET, GROUND 2, Brooklyn, NYSpeech-Language PathologistJun 23, 2017
192246739847 AA- 2 STONEY GROUND COURT, Frederiksted, VIPreferred Provider OrganizationFeb 15, 2016
128509390647 AA-STONEY GROUND, Frederiksted, VIRehabilitation HospitalFeb 23, 2016

Related names

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 First Step Therapy have 19 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. First Step Therapy's NPIs list practice locations in 12 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.