Bill Chatzivasiliadis, LCPC
NPI 1639206287 · Professional Counselor · Orland Park, IL
Bill Chatzivasiliadis, LCPC is a Professional Counselor provider in Orland Park, IL (NPI 1639206287).
Provider details
- NPI number
- 1639206287
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC
- 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
- 2007-02-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bill Chatzivasiliadis's NPI number?
- Bill Chatzivasiliadis's National Provider Identifier (NPI) is 1639206287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bill Chatzivasiliadis's specialty?
- Bill Chatzivasiliadis is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Bill Chatzivasiliadis located?
- Bill Chatzivasiliadis's practice location on file with NPPES is 14310 S Union Ave, Orland Park, IL 60462-2494.
- What is Bill Chatzivasiliadis's phone number?
- The practice phone number listed in the NPPES registry for Bill Chatzivasiliadis is (708) 428-4066.
- Is Bill Chatzivasiliadis's NPI active?
- Yes — Bill Chatzivasiliadis's NPI (1639206287) 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.