Mary Leighton
NPI 1043997687 · Mental Health Counselor · Chicago, IL
Mary Leighton is a Mental Health Counselor provider in Chicago, IL (NPI 1043997687).
Provider details
- NPI number
- 1043997687
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
2 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
- 2023-07-04
- Last updated
- 2023-07-04
- Certified
- 2023-05-24
Frequently asked questions
- What is Mary Leighton's NPI number?
- Mary Leighton's National Provider Identifier (NPI) is 1043997687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Leighton's specialty?
- Mary Leighton is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Leighton located?
- Mary Leighton's practice location on file with NPPES is 2838 W Peterson Ave, Chicago, IL 60659-3809.
- What is Mary Leighton's phone number?
- The practice phone number listed in the NPPES registry for Mary Leighton is (708) 316-8873.
- Is Mary Leighton's NPI active?
- Yes — Mary Leighton's NPI (1043997687) is active in the NPPES registry as of the last update on 2023-07-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.