NPI 1134423742 · live from the CMS NPI Registry
Douglas L. Allen, MHP
Counselor, Addiction (Substance Use Disorder) in Chicago, IL. National Provider Identifier 1134423742, active.
NPI record
| NPI | 1134423742 Type 1 · individual |
|---|---|
| Status | Active |
| Primary specialty | Counselor, Addiction (Substance Use Disorder) 101YA0400X |
| Practice location | 53 W Jackson Blvd # 1210, Chicago, IL 60604 |
| Practice phone | 312-912-7008 |
| Mailing address | 226 W Ontario St, Chicago, IL 60654 |
| Enumerated | December 23, 2010 |
| Last updated | July 25, 2026 |
| Sole proprietor | No |
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Behavior Analyst | 103K00000X | — |
| Counselor, Addiction (Substance Use Disorder) primary | 101YA0400X | 21082 (IL) |
Source: CMS NPPES NPI Registry. NPI data is self-reported by providers; license numbers are not verified by CMS.