Gretchen Lewis, LCPC
NPI 1851832604 · Mental Health Counselor · Downers Grove, IL
Gretchen Lewis, LCPC is a Mental Health Counselor provider in Downers Grove, IL (NPI 1851832604).
Provider details
- NPI number
- 1851832604
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC
- Sex
- Female
- Sole proprietor
- No
- License
- 180012535 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 35 E Wacker Dr1740Chicago, IL 60601-2314Phone: (630) 464-9352
Registry dates
- Enumerated
- 2017-03-13
- Last updated
- 2020-08-03
- Certified
- 2020-08-03
Frequently asked questions
- What is Gretchen Lewis's NPI number?
- Gretchen Lewis's National Provider Identifier (NPI) is 1851832604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Lewis's specialty?
- Gretchen Lewis is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gretchen Lewis located?
- Gretchen Lewis's practice location on file with NPPES is 4902 Washington St, Downers Grove, IL 60515-3752.
- What is Gretchen Lewis's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Lewis is (630) 464-9352.
- Is Gretchen Lewis's NPI active?
- Yes — Gretchen Lewis's NPI (1851832604) is active in the NPPES registry as of the last update on 2020-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.