DR. STEPHEN KORBET MD
NPI 1972608289
Internal Medicine - Nephrology in Chicago, IL

Q: What is Stephen Korbet's NPI number?

The NPI number for Stephen Korbet is 1972608289. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Q: What is Stephen Korbet's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Korbet was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.

Active since September 13, 2006PECOS EnrolledAccepts Medicare Assignment

104 S ASHLAND AVE, CHICAGO, IL 60607(312) 850-8434(312) 850-8431 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 2, 2024, Oct 30, 2020 (2 updates tracked since 2020).

On this page

About Dr. Stephen Korbet Md NPPES

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

DR. STEPHEN KORBET MD (NPI 1972608289) is an individual nephrology provider in Chicago, Illinois, licensed in Illinois (036061118) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Rush Medical College Of Rush University (1979).

NPPES Registry Identity

NPI1972608289

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. STEPHEN KORBETCredential: MD

Location Address104 S ASHLAND AVEChicago, IL 60607-2402

Mailing Address120 W 22nd StOak Brook, IL 60523-1557 · (630) 573-5000

Phone(312) 850-8434

Fax(312) 850-8431

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1979

Enumeration DateSeptember 13, 2006

Last NPPES UpdateApril 29, 20252 updates tracked since enumeration

NPPES CertifiedApril 29, 2025

✔ NPI 1972608289 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 · 036061118

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.

104 S ASHLAND AVE, Chicago, IL 60607

Open in Google Maps ↗

Other Identifiers 4

Medicaid036061118IL

Other110042310IL · Railroad Medicare Id Numb

Other01615381IL · Bc/bs Id Number

Other110042310GA · Railroad Medicare

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Korbet 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 ID8224224712

PECOS Enrollment IDI20101123000621

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.

Medicare Billing Reassignment

Medicare enrollment records show Stephen Korbet reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Edmund J Lewis M D & Associates

Same address

Nephrology

104 S ASHLAND AVE
Chicago, IL 60607

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Edmund J Lewis MD & Associates
5 clinicians in this Medicare group

NPI 1588676944 (312) 850-8434

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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 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.

378 services148 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

143 services122 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.

133 services18 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

116 services64 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.

104 services74 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

75 services54 patients

Hospital Affiliations CMS Care Compare

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

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60607 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

Other Providers at the Same Location NPPES 4

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

CASEY NEJAD GASHTI MD

Internal Medicine (Nephrology)

104 S ASHLAND AVE
CHICAGO, IL 60607

Cook County (312) 850-8434

EDMUND J LEWIS M D & ASSOCIATES

Internal Medicine (Nephrology)

104 S ASHLAND AVE
CHICAGO, IL 60607

Cook County (312) 850-8434

DR. WILLIAM WHITTIER MD

Internal Medicine (Nephrology)

104 S ASHLAND AVE
CHICAGO, IL 60607

Cook County (312) 850-8434

PRAVIR BAXI M.D.

Internal Medicine (Nephrology)

104 S ASHLAND AVE
CHICAGO, IL 60607

Cook County (312) 850-8434

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 Stephen Korbet's NPI number?

The NPI number for Stephen Korbet is 1972608289. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Stephen Korbet located?

Stephen Korbet practices at 104 S Ashland Ave, Chicago, IL 60607. The listed phone number is (312) 850-8434.

What is Stephen Korbet's specialty?

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

Is Stephen Korbet enrolled in Medicare?

Yes. Stephen Korbet 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.

Which organization bills Medicare for Stephen Korbet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Korbet reassigns Medicare benefits to Edmund J Lewis M D & Associates (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Korbet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Korbet accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Stephen Korbet 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 Stephen Korbet affiliated with any hospitals?

According to CMS data, Stephen Korbet is affiliated with Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Korbet was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.