Companies · From the federal registry
The federal NPI registry lists 13 active records registered to Ally Behavior LLC, across 1 state.1 Each carries the Behavior Analyst taxonomy code, 103K00000X — for some organizations it is the primary code, for others one of several.2 Every address and phone number below comes from that registry and nowhere else.
| Records in the registry | 131 |
|---|---|
| States | 1 — Maryland1 |
| Where | Maryland 131 |
| Earliest registration | 20 March 20191 |
| Taxonomy | 103K00000X — Behavior Analyst1 |
Sorted by state, then city. The NPI column links to each organization's own record in the federal registry, so every line here can be checked against the source in one click.
| City | Address | Phone | NPI | Registered |
|---|---|---|---|---|
| Baltimore, MD | 3301 Boston St Ste 24021224 | (240) 342-2666 | 1396624284 | 27 August 2025 |
| Baltimore, MD | 3301 Boston St Ste 24021224 | (240) 342-2666 | 1538034483 | 9 October 2025 |
| Baltimore, MD | 5020 Campbell Blvd Ste I21236 | (240) 342-2666 | 1508661992 | 18 February 2025 |
| Baltimore, MD | 6340 Security Blvd Ste 20021207 | (240) 342-2666 | 1881573772 | 27 August 2025 |
| Baltimore, MD | 6340 Security Blvd Ste 20021207 | (240) 342-2666 | 1730054685 | 9 October 2025 |
| Beltsville, MD | 4600 Powder Mill Rd Ste 25020705 | (301) 477-7194 | 1003521352 | 20 January 2023 |
| Columbia, MD | 8818 Centre Park Dr Ste 20021045 | (301) 265-5617 | 1063217453 | 18 February 2025 |
| Columbia, MD | 9256 Bendix Rd Ste 10221045 | (240) 342-2666 | 1407602451 | 29 April 2024 |
| Frederick, MD | 351 Ballenger Center Dr Ste 10221703 | (240) 342-2666 | 1033062708 | 20 February 2026 |
| Frederick, MD | 351 Ballenger Center Dr Ste 201&10221703 | (240) 342-2666 | 1649078361 | 6 March 2025 |
| Odenton, MD | 2288 Blue Water Blvd Ste 31021113 | (240) 342-2666 | 1013715739 | 6 March 2025 |
| Rockville, MD | 1390 Piccard Dr Ste 10020850 | (301) 327-5199 | 1710447412 | 20 March 2019 |
| White Marsh, MD | 10839 Philadelphia Rd Ste B&C21162 | (240) 342-2666 | 1699507905 | 15 August 2024 |
npidata_pfile_20050523-20260712.csv.file dated 12 July 2026; downloaded 2 August 2026. CMS replaces this page's listing each month, so it shows the current file rather than this one.