Leslie A. Greskowiak , APN-CNP
Nurse Practitioner • Hinsdale, IL
Professional Overview & Biography Verified Profile Summary
Leslie Greskowiak, APN-CNP is a certified Nurse Practitioner practicing in Hinsdale, IL. With approximately 8 years of clinical experience since completing medical education in 2018, Leslie Greskowiak delivers high-quality medical care to the local community at 8 SALT CREEK LN STE 301.
Leslie Greskowiak is affiliated with Endeavor Health Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
8 Salt Creek Ln Ste 301
Hinsdale, IL 605212903
Medicare Profile & Education
Other
2018
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Hinsdale, IL
Practicing in Hinsdale, IL (4929 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
51 | 35 | $200.00 | $81.07 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
47 | 31 | $278.00 | $115.50 |
|
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
|
21 | 21 | $283.00 | $118.41 |
Medical Specialties & State Licenses
CMS Verified: 2026-05-12NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
NUCC Taxonomy Code: 363LF0000X
Definition to come...
Hospital & Practice Group Affiliations
Endeavor Health Medical Group
2650 Ridge Ave, Evanston, IL 602011700
Endeavor Health Medical Group
8 Salt Creek Ln, Hinsdale, IL 605212903
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Family Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Recorded as LESLIE GRESKOWIAK, APN-CNP
Nurse Practitioner (License #209018380 in IL)
Registered at 8 SALT CREEK LN STE 301, HINSDALE, IL 605212903 (Tel: 3312212550)
Registered at 8 SALT CREEK LN STE 301, HINSDALE, IL 605212903 (Tel: 3312212550)
Nurse Practitioner (License #209.018380 in IL)
NPI status registered as active in NPPES database
Registered at 2955 W 95TH ST, EVERGREEN PARK, IL 608052409 (Tel: 3312045896)
Registered at 749 CHICAGO AVE, DOWNERS GROVE, IL 605153748 (Tel: 3128608807)
Recorded as LESLIE GRESKOWIAK, FNP-BC
Nurse Practitioner (License #209.018380 in IL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
8 Salt Creek Ln Ste 301
Hinsdale, IL 605212903
Phone: 3312212550
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