IndividualActive
John-Marc Bilezikian
NPI 1578834453 · Mental Health Counselor · Westmont, IL
John-Marc Bilezikian is a Mental Health Counselor provider in Westmont, IL (NPI 1578834453).
Provider details
- NPI number
- 1578834453
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
422 N Cass Ave
Westmont, IL 60559-1502
Phone: (630) 682-7400
Fax: (630) 690-5282
Street-level locationGet directions
Mailing address
111 N County Farm Rd
Wheaton, IL 60187-3977
Registry dates
- Enumerated
- 2012-01-24
- Last updated
- 2012-01-24
Frequently asked questions
- What is John-Marc Bilezikian's NPI number?
- John-Marc Bilezikian's National Provider Identifier (NPI) is 1578834453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John-Marc Bilezikian's specialty?
- John-Marc Bilezikian is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John-Marc Bilezikian located?
- John-Marc Bilezikian's practice location on file with NPPES is 422 N Cass Ave, Westmont, IL 60559-1502.
- What is John-Marc Bilezikian's phone number?
- The practice phone number listed in the NPPES registry for John-Marc Bilezikian is (630) 682-7400.
- Is John-Marc Bilezikian's NPI active?
- Yes — John-Marc Bilezikian's NPI (1578834453) is active in the NPPES registry as of the last update on 2012-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.