Doctor profile · Federal record

Dr. David Schlieben, MD

Nephrology Physician (CMS: Nephrology) · Naperville, IL

  • NPI 1538166210
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
120 Spalding Dr, Suite 410
Naperville, IL 605406508
(630) 369-0780
fax (630) 369-0886
Additional location
25 N Winfield RD Ste 414
Winfield, IL 601901379
(630) 690-1220
fax (630) 690-5323
Additional location
302 Randall RD Ste 205
Geneva, IL 601344219
(630) 690-1220
fax (630) 208-1667
Mailing address
120 W 22Nd St Ste 200
Oak Brook, IL 605231563

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
April 29, 2025
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036106355
Medicaid
IL #036106355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538166210. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,303
Distinct HCPCS
10
Medicare allowed
$460,557
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 562 214 $123
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 549 69 $362
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 340 91 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 251 157 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 144 125 $179
90966 Home dialysis services per month (20 years or older) 129 23 $299
99291 Critical care, first 30-74 minutes 105 45 $221
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 85 49 $301
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 80 62 $135
99203 New patient office or other outpatient visit, 30-44 minutes 29 29 $116

In context: peer comparison

Among 3 peers in Naperville Nephrology Physician, average services per provider: 476. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
587
Patients
103
Total drug cost
$57,115
Drug Type Claims Patients Total cost
Prosol (Parenteral Amino Acid 20% No.1) Brand 95 0 $11,885
Clinolipid (Fat Emulsion/Olive/Soy/Phospho) Brand 68 0 $28,349
Furosemide Generic 64 29 $416
Losartan Potassium Generic 63 21 $805
Torsemide Generic 39 14 $756
Calcium Acetate Generic 34 13 $5,016
Spironolactone Generic 34 0 $462
Amlodipine Besylate Generic 31 13 $362
Midodrine Hcl Generic 30 13 $3,366
Carvedilol Generic 25 0 $480

Frequently asked questions

Auto-generated from federal data
What is Dr. David Schlieben's medical specialty?
Dr. David Schlieben practices Nephrology Physician in Naperville, IL.
Where does Dr. David Schlieben practice?
Dr. David Schlieben practices at 120 Spalding Dr, Naperville, IL 605406508. Office phone: 6303690780.
What is Dr. David Schlieben's NPI?
Dr. David Schlieben's National Provider Identifier (NPI) is 1538166210, issued by NPPES.
Does Dr. David Schlieben accept Medicare assignment?
Dr. David Schlieben does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. David Schlieben commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.