Doctor profile · Federal record
Dr. Leslie Greskowiak, FNP-BC
Family Nurse Practitioner (CMS: Nurse Practitioner) · Hinsdale, IL
- NPI 1164998332
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8 Salt Creek Ln Ste 301
Hinsdale, IL 605212903
(331) 221-2550
Credentials & registration
- NPI registered
- October 2018 — 8 yrs on file
- Profile last updated
- February 18, 2021
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Illinois #209.018380
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164998332. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
124
Distinct HCPCS
3
Medicare allowed
$12,522
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 40 | $111 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 31 | $78 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 22 | 22 | $116 |
In context: peer comparison
Among 10 peers in Hinsdale Family Nurse Practitioner, average services per provider: 117. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
342
Patients
31
Total drug cost
$5,130
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 43 | 16 | $806 |
| Atorvastatin Calcium | Generic | 38 | 15 | $487 |
| Amlodipine Besylate | Generic | 30 | 0 | $201 |
| Losartan Potassium | Generic | 30 | 0 | $395 |
| Simvastatin | Generic | 30 | 0 | $422 |
| Hydrochlorothiazide | Generic | 29 | 0 | $117 |
| Rosuvastatin Calcium | Generic | 21 | 0 | $398 |
| Montelukast Sodium | Generic | 20 | 0 | $205 |
| Alprazolam | Generic | 16 | 0 | $247 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 16 | 0 | $146 |
Frequently asked questions
What is Dr. Leslie Greskowiak's medical specialty?
Dr. Leslie Greskowiak practices Family Nurse Practitioner in Hinsdale, IL.
Where does Dr. Leslie Greskowiak practice?
Dr. Leslie Greskowiak practices at 8 Salt Creek Ln Ste 301, Hinsdale, IL 605212903. Office phone: 3312212550.
What is Dr. Leslie Greskowiak's NPI?
Dr. Leslie Greskowiak's National Provider Identifier (NPI) is 1164998332, issued by NPPES.
Does Dr. Leslie Greskowiak accept Medicare assignment?
Yes. Dr. Leslie Greskowiak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Greskowiak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.