IndividualActive
Linda Mergenthaler
NPI 1528562139 · Counselor · Grayslake, IL
Linda Mergenthaler is a Counselor provider in Grayslake, IL (NPI 1528562139).
Provider details
- NPI number
- 1528562139
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 178009999 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
142 Hawley St Ste 5
Grayslake, IL 60030-3653
Phone: (847) 549-2235
Street-level locationGet directions
Mailing address
142 Hawley St Ste 5
Grayslake, IL 60030-3653
Registry dates
- Enumerated
- 2018-03-19
- Last updated
- 2018-03-19
Frequently asked questions
- What is Linda Mergenthaler's NPI number?
- Linda Mergenthaler's National Provider Identifier (NPI) is 1528562139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Mergenthaler's specialty?
- Linda Mergenthaler is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Linda Mergenthaler located?
- Linda Mergenthaler's practice location on file with NPPES is 142 Hawley St Ste 5, Grayslake, IL 60030-3653.
- What is Linda Mergenthaler's phone number?
- The practice phone number listed in the NPPES registry for Linda Mergenthaler is (847) 549-2235.
- Is Linda Mergenthaler's NPI active?
- Yes — Linda Mergenthaler's NPI (1528562139) is active in the NPPES registry as of the last update on 2018-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.