Registry data as of Aug 27, 2026

Ally Behavior

Ally Behavior holds 34 active organization NPIs in the federal registry, with practice locations in 7 Maryland cities. 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

Baltimore has the most NPIs, 13

  1. Baltimore13
  2. Columbia6
  3. Frederick6
  4. White Marsh3
  5. Beltsville2
  6. Odenton2
  7. Rockville2

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

Most NPIs were issued in 2025 and 2026

Ally Behavior NPIs by year issued2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 3, 2024: 4, 2025: 21, 2026: 5010203020192020202120222023202420252026215134
Ally Behavior NPIs by year issued2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 3, 2024: 4, 2025: 21, 2026: 5010203020192020202120222023202420252026215134
Ally Behavior NPIs by year issued2019: 1, 2020: 0, 2021: 0, 2022: 0, 2023: 3, 2024: 4, 2025: 21, 2026: 5010203020192020202120222023202420252026215134

Source: CMS NPPES, enumeration dates.

21 NPIs were issued in 2025 alone, more than in any other year; none in 3 of the years between.

Baltimore locations

The city with the most Ally Behavior NPIs. The full list of all 34 follows.

NPILocationPrimary taxonomyIssued
11844295655020 CAMPBELL BLVD STE I, BaltimoreOccupational TherapistFeb 18, 2025
15086619925020 CAMPBELL BLVD STE I, BaltimoreBehavior AnalystFeb 18, 2025
13561301325020 CAMPBELL BLVD STE I, BaltimorePediatrics PhysicianMay 6, 2025
18815737726340 SECURITY BLVD STE 200, BaltimoreBehavior AnalystAug 27, 2025
14178363056340 SECURITY BLVD STE 200, BaltimoreOccupational TherapistAug 27, 2025
13966242843301 BOSTON ST STE 240, BaltimoreBehavior AnalystAug 27, 2025
11148060073301 BOSTON ST STE 240, BaltimoreOccupational TherapistAug 27, 2025
17300546856340 SECURITY BLVD STE 200, BaltimoreBehavior AnalystOct 9, 2025
All 34 locations, by city
NPILocationPrimary taxonomyIssued
11844295655020 CAMPBELL BLVD STE I, BaltimoreOccupational TherapistFeb 18, 2025
15086619925020 CAMPBELL BLVD STE I, BaltimoreBehavior AnalystFeb 18, 2025
13561301325020 CAMPBELL BLVD STE I, BaltimorePediatrics PhysicianMay 6, 2025
18815737726340 SECURITY BLVD STE 200, BaltimoreBehavior AnalystAug 27, 2025
14178363056340 SECURITY BLVD STE 200, BaltimoreOccupational TherapistAug 27, 2025
13966242843301 BOSTON ST STE 240, BaltimoreBehavior AnalystAug 27, 2025
11148060073301 BOSTON ST STE 240, BaltimoreOccupational TherapistAug 27, 2025
17300546856340 SECURITY BLVD STE 200, BaltimoreBehavior AnalystOct 9, 2025
15380344833301 BOSTON ST STE 240, BaltimoreBehavior AnalystOct 9, 2025
11744980266340 SECURITY BLVD STE 200, BaltimoreOccupational TherapistOct 9, 2025
10633879183301 BOSTON ST STE 240, BaltimoreOccupational TherapistOct 9, 2025
14471203245020 CAMPBELL BLVD STE I, BaltimorePsychologistNov 6, 2025
11047585985020 CAMPBELL BLVD STE I, BaltimorePsychologistJun 1, 2026
10035213524600 POWDER MILL RD STE 250, BeltsvilleBehavior AnalystJan 20, 2023
14772349534600 POWDER MILL RD STE 250, BeltsvilleOccupational TherapistJul 27, 2023
14076024519256 BENDIX RD STE 102, ColumbiaBehavior AnalystApr 29, 2024
11440532249256 BENDIX RD STE 102, ColumbiaOccupational TherapistAug 23, 2024
13965407798818 CENTRE PARK DR STE 200, ColumbiaOccupational TherapistFeb 18, 2025
10632174538818 CENTRE PARK DR STE 200, ColumbiaBehavior AnalystFeb 18, 2025
14773508588818 CENTRE PARK DR STE 200, ColumbiaPediatrics PhysicianFeb 25, 2025
11946908678818 CENTRE PARK DR STE 200, ColumbiaPsychologistOct 10, 2025
1649078361351 BALLENGER CENTER DR STE 201&102, FrederickBehavior AnalystMar 6, 2025
1558169276351 BALLENGER CENTER DR STE 102, FrederickOccupational TherapistMar 6, 2025
1861345530351 BALLENGER CENTER DR STE 102, FrederickOccupational TherapistFeb 20, 2026
1033062708351 BALLENGER CENTER DR STE 102, FrederickBehavior AnalystFeb 20, 2026
1275465650351 BALLENGER CENTER DR STE 102, FrederickPediatrics PhysicianJun 1, 2026
1851223234351 BALLENGER CENTER DR STE 102, FrederickPsychologistJun 1, 2026
10137157392288 BLUE WATER BLVD STE 310, OdentonBehavior AnalystMar 6, 2025
15682602892288 BLUE WATER BLVD STE 310, OdentonOccupational TherapistMar 6, 2025
17104474121390 PICCARD DR STE 100, RockvilleBehavior AnalystMar 20, 2019
11944066601390 PICCARD DR STE 100, RockvilleOccupational TherapistJul 27, 2023
169950790510839 PHILADELPHIA RD STE B&C, White MarshBehavior AnalystAug 15, 2024
173091282510839 PHILADELPHIA RD STE B&C, White MarshOccupational TherapistAug 23, 2024
153896691610839 PHILADELPHIA RD STE B&C, White MarshPediatrics PhysicianFeb 25, 2025

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 Ally Behavior have 34 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Ally Behavior'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.