David Schlieben, MD
NPI 1538166210 · Nephrology Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Schlieben, MD is a Nephrology Physician provider in Naperville, IL (NPI 1538166210).
Provider details
- NPI number
- 1538166210
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036106355 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,116 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 480 | $120 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 458 | $353 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 347 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 261 | $130 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 132 | $174 |
| Critical Care, First 30-74 Minutes99291 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Parenteral Amino Acid 20% No.1brand: Prosol | 111 | — |
| Losartan Potassium | 69 | 24 |
| Furosemide | 52 | 18 |
| Torsemide | 41 | 16 |
| Spironolactone | 36 | — |
| Midodrine Hcl | 33 | 15 |
| Lisinopril | 27 | — |
Practice location
Mailing address
Additional practice locations (2)
- 302 Randall Rd Ste 205Geneva, IL 60134-4219Phone: (630) 690-1220Fax: (630) 208-1667
- 25 N Winfield Rd Ste 414Winfield, IL 60190-1379Phone: (630) 690-1220Fax: (630) 690-5323
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2025-04-29
- Certified
- 2025-04-29
Frequently asked questions
- What is David Schlieben's NPI number?
- David Schlieben's National Provider Identifier (NPI) is 1538166210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Schlieben's specialty?
- David Schlieben is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is David Schlieben located?
- David Schlieben's practice location on file with NPPES is 120 Spalding Dr, Naperville, IL 60540-6508.
- What is David Schlieben's phone number?
- The practice phone number listed in the NPPES registry for David Schlieben is (630) 369-0780.
- Does David Schlieben accept Medicare?
- David Schlieben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Schlieben's NPI active?
- Yes — David Schlieben's NPI (1538166210) is active in the NPPES registry as of the last update on 2025-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.