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DR. GEORGE R HVOSTIK MD
NPI 1023015021
Internal Medicine - Nephrology in Libertyville, IL

Active since July 05, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 14D2113850 · Waiver
22.69/100
CMS Quality Rating
1860 W WINCHESTER RD STE 107B, LIBERTYVILLE, IL 60048(847) 996-0836(847) 996-6278 Get Directions Write a Review

NPPES record last updated: January 21, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 21, 2022, May 2, 2018 (2 updates tracked since 2018).

About Dr. George R Hvostik Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GEORGE R HVOSTIK MD (NPI 1023015021) is an individual nephrology provider in Libertyville, Illinois, licensed in Illinois (036071912) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through May 31, 2028, and is affiliated with Northshore University Healthsystem - Evanston Hospital.

NPPES Registry Identity

NPI1023015021
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. GEORGE R HVOSTIKCredential: MD
Location Address1860 W WINCHESTER RD STE 107BLibertyville, IL 60048-5312
Mailing Address1860 W Winchester Rd Ste 107bLibertyville, IL 60048-5312 · (847) 996-0836 · Fax (847) 996-6278
Phone(847) 996-0836
Fax(847) 996-6278
Sole ProprietorYes
Medical School CMSWashington University School Of MedicineGraduated 1984
Enumeration DateJuly 5, 2005
Last NPPES UpdateJanuary 21, 20222 updates tracked since enumeration
NPPES CertifiedDecember 22, 2021
✔ NPI 1023015021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IL · 036071912
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1860 W WINCHESTER RD STE 107B, Libertyville, IL 60048
Open in Google Maps ↗

Other Identifiers 3

Other110059869IL · Rr Medicare Individual
OtherC30486IL · Rr Medicare Group
Other1616108IL · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. George R Hvostik Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567368012
PECOS Enrollment IDI20031208000505
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2113850

Dr George Hvostik · Libertyville, IL
Active · expires May 31, 2028
CLIA Number14D2113850
Laboratory TypePhysician Office
Certificate Effective DateJune 1, 2026
Certificate Expiration DateMay 31, 2028
Laboratory DirectorGeorge R. Hvostik
Laboratory Phone(847) 996-0836
Laboratory LocationDr George Hvostik1860 W Winchester Rd - Ste 107B, Libertyville, IL 60048
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
1,206 services36 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
938 services125 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
298 services171 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
294 services178 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
266 services34 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
209 services144 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

22.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost75.65

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEORGE HVOSTIK, MD, S.C.
Internal Medicine (Nephrology)
1860 W WINCHESTER RD STE 107B
LIBERTYVILLE, IL 60048
Lake County (847) 996-0836

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Hvostik's NPI number?

The NPI number for George Hvostik is 1023015021. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is George Hvostik located?

George Hvostik practices at 1860 W Winchester Rd Ste 107B, Libertyville, IL 60048. The listed phone number is (847) 996-0836.

What is George Hvostik's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is George Hvostik enrolled in Medicare?

Yes. George Hvostik is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does George Hvostik hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2113850) is associated with this NPI, valid through May 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does George Hvostik accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list George Hvostik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is George Hvostik affiliated with any hospitals?

According to CMS data, George Hvostik is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital, Advocate Condell Medical Center, Northwest Community Hospital 1 and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for George Hvostik was last updated on January 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.