Douglas Allen, MHP
NPI 1134423742 · Addiction (Substance Use Disorder) Counselor · Chicago, IL
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Allen, MHP is a Addiction (Substance Use Disorder) Counselor provider in Chicago, IL (NPI 1134423742).
Provider details
- NPI number
- 1134423742
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MHP
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Analyst103K00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 450 W 14th StChicago Heights, IL 60411-2463Phone: (708) 754-8815
Registry dates
- Enumerated
- 2010-12-23
- Last updated
- 2020-04-14
- Certified
- 2020-04-14
Frequently asked questions
- What is Douglas Allen's NPI number?
- Douglas Allen's National Provider Identifier (NPI) is 1134423742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Allen's specialty?
- Douglas Allen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Douglas Allen located?
- Douglas Allen's practice location on file with NPPES is 226 W Ontario St Ste 400c, Chicago, IL 60654-3619.
- What is Douglas Allen's phone number?
- The practice phone number listed in the NPPES registry for Douglas Allen is (312) 912-7008.
- Does Douglas Allen accept Medicare?
- Douglas Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Allen's NPI active?
- Yes — Douglas Allen's NPI (1134423742) is active in the NPPES registry as of the last update on 2020-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.