Giannasi Mental Health Counselors Limited
NPI 1790109726 · Mental Health Counselor · Downers Grove, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giannasi Mental Health Counselors Limited is a Mental Health Counselor organization in Downers Grove, IL (NPI 1790109726).
Provider details
- NPI number
- 1790109726
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Robert Giannasi, President(847) 989-2546
- License
- 180008683 (IL)
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
12 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2014-02-11
- Last updated
- 2014-02-11
Frequently asked questions
- What is Giannasi Mental Health Counselors Limited's NPI number?
- Giannasi Mental Health Counselors Limited's National Provider Identifier (NPI) is 1790109726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Giannasi Mental Health Counselors Limited?
- Giannasi Mental Health Counselors Limited is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Giannasi Mental Health Counselors Limited located?
- Giannasi Mental Health Counselors Limited's practice location on file with NPPES is 1000 Maple Ave, Downers Grove, IL 60515-4965.
- What is Giannasi Mental Health Counselors Limited's phone number?
- The practice phone number listed in the NPPES registry for Giannasi Mental Health Counselors Limited is (847) 989-2546.
- Does Giannasi Mental Health Counselors Limited accept Medicare?
- Giannasi Mental Health Counselors Limited is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Giannasi Mental Health Counselors Limited?
- The authorized official listed on Giannasi Mental Health Counselors Limited's NPPES record is Robert Giannasi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Giannasi Mental Health Counselors Limited's NPI active?
- Yes — Giannasi Mental Health Counselors Limited's NPI (1790109726) is active in the NPPES registry as of the last update on 2014-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.