
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Niemiec, Nephrologist in Rockford, IL?
Dr. Joanna Niemiec, MD is a Nephrologist, who primarily practices in Rockford, IL with 2 additional practice locations. Dr. Niemiec graduated from Collegium Medicum im. Ludwika Rydygiera. Dr. Niemiec is fluent in English and Polish, and is currently seeing new patients. Dr. Niemiec’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Niemiec’s office at (815) 227-8300.
Where did Dr. Niemiec go to medical school and complete their residency?
Medical School: Collegium Medicum im. Ludwika Rydygiera
What languages does Dr. Niemiec speak?
Dr. Niemiec and their clinical team can communicate with patients in the following languages:
English
Polish
What conditions does a Nephrologist like Dr. Niemiec typically treat?
As a Nephrologist, Dr. Niemiec diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Niemiec. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- End-Stage Kidney Disease
- Chronic Kidney Disease from High Blood Pressure
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 3a
- Chronic Kidney Disease, Stage 4 (Severe)
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Chronic Kidney Disease
- High Blood Pressure
- ESRD
- End-Stage Renal Failure
- Hypertensive Chronic Kidney Disease
- High Blood Pressure Kidney Disease
- Hypertension-Related Kidney Disease
- CKD Stage 3b
- Moderate Chronic Kidney Disease
- CKD Stage 3a
- CKD Stage 4
- Severe Chronic Kidney Disease
ICD-10 Codes:
- N186: End stage renal disease
- I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- N1832: Chronic kidney disease, stage 3b
- N1831: Chronic kidney disease, stage 3a
- N184: Chronic kidney disease, stage 4 (severe)
Also known as:
- Type 2 Diabetes with Chronic Kidney Disease
- Diabetes Type 2
- Diabetic Kidney Problems
- Type 2 diabetes
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
ICD-10 Codes:
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
What procedures does a Nephrologist like Dr. Niemiec typically perform?
As a Nephrologist, procedures performed by Dr. Joanna Niemiec may include:
- Dialysis
- Kidney and Urinary Perfusion Scan
- Kidney Biopsy
- Kidney Transplant
- Kidney Ultrasound
- Nephrology Consultation
- Nephrology Follow Up
- Peritoneal Dialysis
Please contact Dr. Niemiec's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Niemiec accept my insurance?
Dr. Niemiec accepts most major insurance plans. Important: Please call our office at (815) 227-8300 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Niemiec accept in Rockford, IL?
Dr. Niemiec in Rockford, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Centene
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
Molina Healthcare
Other Provider Networks
State of Illinois
UnitedHealth Group
View All Insurances
Where is Dr. Niemiec's office located?
What hospitals are Dr. Niemiec affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Niemiec has admitting privileges at the following hospitals:
Uw Health Swedishamerican Hospital,Rockford, IL
Ranked Colon Surgery

Uw Health Swedishamerican Hospital,Rockford, IL
Ranked Colon Surgery
Beloit Memorial Hospital,Beloit, WI
Ranked General Surgery

Ranked Hernia Repair Surgery

Beloit Memorial Hospital,Beloit, WI
Ranked General Surgery
Ranked Hernia Repair Surgery
Osf Healthcare Saint Anthony Medical Center,Rockford, IL
Ranked Cancer Surgery

Ranked Mastectomy

Osf Healthcare Saint Anthony Medical Center,Rockford, IL
Ranked Cancer Surgery
Ranked Mastectomy
Beloit Memorial Hospital,Beloit, WI

Beloit Memorial Hospital,Beloit, WI
Javon Bea Hospital – Riverside,Rockford, IL
Ranked ObGyn Surgery

Ranked C-section surgery

Javon Bea Hospital – Riverside,Rockford, IL
Ranked ObGyn Surgery
Ranked C-section surgery
Froedtert Hospital,Milwaukee, WI
Ranked Urologic Surgery

Ranked in 8 Procedures

Froedtert Hospital,Milwaukee, WI
Ranked Urologic Surgery
Ranked in 8 Procedures
What is Dr. Niemiec's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Niemiec's National Provider Identifier (NPI) number is 1821016791.
What common questions do patients ask about Dr. Niemiec?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Niemiec
What is Dr. Joanna Niemiec's specialty?
Dr. Niemiec is a Nephrologist near Rockford, IL.
What does a Nephrologist do?
An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation.
Is Dr. Joanna Niemiec affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Niemiec is affiliated with Uw Health Swedishamerican Hospital, Beloit Memorial Hospital, Osf Healthcare Saint Anthony Medical Center, Beloit Memorial Hospital, Javon Bea Hospital – Riverside, Froedtert Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Nephrologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Nephrologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Joanna Niemiec accepting new patients in Rockford, IL?
Yes, Dr. Joanna Niemiec is accepting new patients at this time.
Does Dr. Joanna Niemiec offer online booking?
Please contact Dr. Niemiec's office at (815) 227-8300 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Joanna Niemiec?
Please contact Dr. Niemiec's office at (815) 227-8300 to schedule an appointment.
Where is Dr. Niemiec's office located?
Dr. Niemiec's offices are located in Rockford, IL, Roscoe, IL, and Beloit, WI.
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