Melanie Grzesik-Duffy, MA, LCPC
NPI 1346528585 · Mental Health Counselor · Mokena, IL
Melanie Grzesik-Duffy, MA, LCPC is a Mental Health Counselor provider in Mokena, IL (NPI 1346528585).
Provider details
- NPI number
- 1346528585
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MA, LCPC
- Sex
- Female
- 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
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
Mailing address
Registry dates
- Enumerated
- 2011-07-21
- Last updated
- 2021-05-17
- Certified
- 2021-05-17
Frequently asked questions
- What is Melanie Grzesik-Duffy's NPI number?
- Melanie Grzesik-Duffy's National Provider Identifier (NPI) is 1346528585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie Grzesik-Duffy's specialty?
- Melanie Grzesik-Duffy is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Melanie Grzesik-Duffy located?
- Melanie Grzesik-Duffy's practice location on file with NPPES is 9697 191st St, Mokena, IL 60448-8609.
- What is Melanie Grzesik-Duffy's phone number?
- The practice phone number listed in the NPPES registry for Melanie Grzesik-Duffy is (630) 646-6540.
- Is Melanie Grzesik-Duffy's NPI active?
- Yes — Melanie Grzesik-Duffy's NPI (1346528585) is active in the NPPES registry as of the last update on 2021-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.