Doctor profile · Federal record

Dr. Leslie Sleuwen, MD

Family Medicine Physician (CMS: Family Practice) · Hinsdale, IL

  • NPI 1063464741
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135 N Oak St
Hinsdale, IL 605213860
(630) 856-6865
fax (630) 856-6813

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 26, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #36099994
Medicaid
IL #036099994

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063464741. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
177
Distinct HCPCS
8
Medicare allowed
$21,906
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 56 37 $133
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 11 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 20 19 $94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 19 $179
99238 Hospital discharge day management, 30 minutes or less 16 16 $83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 12 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $135
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 13 13 $133

In context: peer comparison

Among 24 peers in Hinsdale Family Medicine Physician, average services per provider: 84. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,735
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Organon LLC 4 $5,500.00
Madrigal Pharmaceuticals 1 $135.70
Astellas Pharma US INC 1 $99.00

By nature of payment

Compensation for Serving As Faculty or As A Speaker for A Medical Education Program
$5,500
Food and Beverage
$136
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
290
Patients
15
Total drug cost
$24,260
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 54 15 $667
Lisinopril Generic 36 0 $250
Levothyroxine Sodium Generic 32 0 $305
Rosuvastatin Calcium Generic 20 0 $127
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 0 $329
Metformin Hcl ER (Metformin Hcl) Brand 17 0 $220
Amlodipine Besylate Generic 16 0 $103
Rybelsus (Semaglutide) Brand 15 0 $21,636
Escitalopram Oxalate Generic 14 0 $121
Metformin Hcl Generic 13 0 $79

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Sleuwen's medical specialty?
Dr. Leslie Sleuwen practices Family Medicine Physician in Hinsdale, IL.
Where does Dr. Leslie Sleuwen practice?
Dr. Leslie Sleuwen practices at 135 N Oak St, Hinsdale, IL 605213860. Office phone: 6308566865.
What is Dr. Leslie Sleuwen's NPI?
Dr. Leslie Sleuwen's National Provider Identifier (NPI) is 1063464741, issued by NPPES.
Does Dr. Leslie Sleuwen accept Medicare assignment?
Yes. Dr. Leslie Sleuwen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Sleuwen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.