George Hvostik, MD
NPI 1023015021 · Nephrology Physician · Libertyville, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Hvostik, MD is a Nephrology Physician provider in Libertyville, IL (NPI 1023015021).
Provider details
- NPI number
- 1023015021
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036071912 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,448 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 1,206 | $49 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 938 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 298 | $126 |
| Automated Urinalysis Test81003 | 294 | $2 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 266 | $342 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 102 | 36 |
| Allopurinol | 62 | 22 |
| Amlodipine Besylate | 52 | 17 |
| Calcitriol | 51 | 17 |
| Sevelamer Carbonate | 47 | 17 |
| Potassium Citratebrand: Potassium Citrate Er | 45 | 13 |
| Hydrochlorothiazide | 43 | 13 |
| Carvedilol | 39 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2022-01-21
- Certified
- 2021-12-22
Frequently asked questions
- What is George Hvostik's NPI number?
- George Hvostik's National Provider Identifier (NPI) is 1023015021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Hvostik's specialty?
- George Hvostik is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is George Hvostik located?
- George Hvostik's practice location on file with NPPES is 1860 W Winchester Rd Ste 107b, Libertyville, IL 60048-5312.
- What is George Hvostik's phone number?
- The practice phone number listed in the NPPES registry for George Hvostik is (847) 996-0836.
- Does George Hvostik accept Medicare?
- George Hvostik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Hvostik's NPI active?
- Yes — George Hvostik's NPI (1023015021) is active in the NPPES registry as of the last update on 2022-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.