IndividualActive
Mary Merlak
NPI 1114536125 · Mental Health Counselor · Amboy, IL
Mary Merlak is a Mental Health Counselor provider in Amboy, IL (NPI 1114536125).
Provider details
- NPI number
- 1114536125
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
200 W Hawley St
Amboy, IL 61310-1158
Phone: (815) 284-6611
Street-level locationGet directions
Mailing address
1755 Winding Rd
Amboy, IL 61310-9733
Registry dates
- Enumerated
- 2020-07-26
- Last updated
- 2020-07-26
- Certified
- 2020-07-26
Frequently asked questions
- What is Mary Merlak's NPI number?
- Mary Merlak's National Provider Identifier (NPI) is 1114536125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Merlak's specialty?
- Mary Merlak is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Merlak located?
- Mary Merlak's practice location on file with NPPES is 200 W Hawley St, Amboy, IL 61310-1158.
- What is Mary Merlak's phone number?
- The practice phone number listed in the NPPES registry for Mary Merlak is (815) 284-6611.
- Is Mary Merlak's NPI active?
- Yes — Mary Merlak's NPI (1114536125) is active in the NPPES registry as of the last update on 2020-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.