IndividualActive
Marc Tantillo
NPI 1477827004 · Mental Health Counselor · Grayslake, IL
Marc Tantillo is a Mental Health Counselor provider in Grayslake, IL (NPI 1477827004).
Provider details
- NPI number
- 1477827004
- 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(73/100 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
100 S Atkinson Rd Ste 202
Grayslake, IL 60030-7819
Phone: (847) 548-9425
Fax: (847) 548-9404
Street-level locationGet directions
Mailing address
100 S Atkinson Rd Ste 202
Grayslake, IL 60030-7819
Registry dates
- Enumerated
- 2012-02-29
- Last updated
- 2012-02-29
Frequently asked questions
- What is Marc Tantillo's NPI number?
- Marc Tantillo's National Provider Identifier (NPI) is 1477827004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Tantillo's specialty?
- Marc Tantillo is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marc Tantillo located?
- Marc Tantillo's practice location on file with NPPES is 100 S Atkinson Rd Ste 202, Grayslake, IL 60030-7819.
- What is Marc Tantillo's phone number?
- The practice phone number listed in the NPPES registry for Marc Tantillo is (847) 548-9425.
- Is Marc Tantillo's NPI active?
- Yes — Marc Tantillo's NPI (1477827004) is active in the NPPES registry as of the last update on 2012-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.