Mark Hagler, L.C.P.C.
NPI 1477669125 · Mental Health Counselor · Northbrook, IL
Mark Hagler, L.C.P.C. is a Mental Health Counselor provider in Northbrook, IL (NPI 1477669125).
Provider details
- NPI number
- 1477669125
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.C.P.C.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Hagler's NPI number?
- Mark Hagler's National Provider Identifier (NPI) is 1477669125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hagler's specialty?
- Mark Hagler is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Hagler located?
- Mark Hagler's practice location on file with NPPES is 3444 Dundee Rd, Northbrook, IL 60062-2201.
- What is Mark Hagler's phone number?
- The practice phone number listed in the NPPES registry for Mark Hagler is (847) 559-0110.
- Is Mark Hagler's NPI active?
- Yes — Mark Hagler's NPI (1477669125) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.