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Kathleen Mertes, LCPC
NPI 1598899866 · Professional Counselor · Joliet, IL
Kathleen Mertes, LCPC is a Professional Counselor provider in Joliet, IL (NPI 1598899866).
Provider details
- NPI number
- 1598899866
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
501 Ella Ave
Joliet, IL 60433-2799
Phone: (815) 727-8521
Street-level locationGet directions
Mailing address
15728 Ridge Road
Glen Ellyn, IL 60137
Registry dates
- Enumerated
- 2007-03-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathleen Mertes's NPI number?
- Kathleen Mertes's National Provider Identifier (NPI) is 1598899866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Mertes's specialty?
- Kathleen Mertes is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Kathleen Mertes located?
- Kathleen Mertes's practice location on file with NPPES is 501 Ella Ave, Joliet, IL 60433-2799.
- What is Kathleen Mertes's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Mertes is (815) 727-8521.
- Is Kathleen Mertes's NPI active?
- Yes — Kathleen Mertes's NPI (1598899866) 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.