Mary Leonhardt
NPI 1093363830 · Social Worker · Oak Forest, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Leonhardt is a Social Worker provider in Oak Forest, IL (NPI 1093363830).
Provider details
- NPI number
- 1093363830
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 150.103802 (IL)
Specialties & taxonomies
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
6 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
Mailing address
Registry dates
- Enumerated
- 2019-08-26
- Last updated
- 2019-08-26
Frequently asked questions
- What is Mary Leonhardt's NPI number?
- Mary Leonhardt's National Provider Identifier (NPI) is 1093363830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Leonhardt's specialty?
- Mary Leonhardt is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Leonhardt located?
- Mary Leonhardt's practice location on file with NPPES is 6006 159th St Bldg C, Oak Forest, IL 60452-2904.
- What is Mary Leonhardt's phone number?
- The practice phone number listed in the NPPES registry for Mary Leonhardt is (708) 535-7320.
- Does Mary Leonhardt accept Medicare?
- Mary Leonhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Leonhardt's NPI active?
- Yes — Mary Leonhardt's NPI (1093363830) is active in the NPPES registry as of the last update on 2019-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.