21 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Friedewald, Nephrologist in Lake Forest, IL?
Dr. John Friedewald, MD is a Nephrologist, who primarily practices in Lake Forest, IL with 2 additional practice locations. He has been practicing for over 21 years. Dr. Friedewald completed his residency at Johns Hopkins Univ Sch Med, Nephrology; Johns Hopkins Univ Sch Med, Internal Medicine. Dr. Friedewald is fluent in English, and is currently seeing new patients. Dr. Friedewald’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Friedewald’s office at (312) 695-8900.
Where did Dr. Friedewald go to medical school and complete their residency?
Residency: Johns Hopkins Univ Sch Med, Nephrology; Johns Hopkins Univ Sch Med, Internal Medicine
What languages does Dr. Friedewald speak?
Dr. Friedewald and their clinical team can communicate with patients in the following languages:
English
What conditions does a Nephrologist like Dr. Friedewald typically treat?
As a Nephrologist, Dr. Friedewald 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. Friedewald. 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 here.
Also known as:
- Having a Kidney Transplant
- Kidney Transplantation
- Kidney Transplant
- Renal transplant
- Kidney replacement surgery
- Post-kidney transplant
ICD-10 Codes:
- Z940: Kidney transplant status
Also known as:
- End-Stage Kidney Disease
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- ESRD
- End-Stage Renal Failure
ICD-10 Codes:
- N186: End stage renal disease
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- Immune Deficiency
- Immune Deficiency from Drugs
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
- Drug-Induced Immunodeficiency
- Medication-Caused Immune Weakness
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
- D84821: Immunodeficiency due to drugs
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
What procedures does a Nephrologist like Dr. Friedewald typically perform?
As a Nephrologist, Dr. Friedewald performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Friedewald. 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 here.
Also known as:
- Kidney Biopsy
- Renal biopsy
- Percutaneous kidney biopsy
- Needle kidney biopsy
CPT Codes:
- 50200: Renal biopsy; percutaneous, by trocar or needle
Also known as:
- Plasma Exchange (Plasmapheresis)
- Therapeutic Plasmapheresis
- Plasma Pheresis
- Blood Plasma Treatment
CPT Codes:
- 36514: Therapeutic apheresis; for plasma pheresis
Also known as:
- Declotting of Vascular Access Device
- Catheter declotting
- Thrombolytic therapy for catheter
- Blocked port-a-cath treatment
- Vascular access device unblocking
CPT Codes:
- 36593: Declotting by thrombolytic agent of implanted vascular access device or catheter
Does Dr. Friedewald accept my insurance?
Dr. Friedewald accepts most major insurance plans. Important: Please call our office at (312) 695-8900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Friedewald accept in Lake Forest, IL?
Dr. Friedewald in Lake Forest, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
State of Illinois
State of Indiana
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Friedewald's office located?
What is Dr. Friedewald's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Friedewald's National Provider Identifier (NPI) number is 1508801093.
What common questions do patients ask about Dr. Friedewald?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Friedewald
What is Dr. John Friedewald's specialty?
Dr. Friedewald is a Nephrologist near Lake Forest, 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 this Dr. John Friedewald affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Friedewald is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine Lake Forest Hospital, Northwestern Medicine Delnor Hospital, Northwestern Medicine Kishwaukee Hospital, Eisenhower Health Main Campus 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 John Friedewald accepting new patients in Lake Forest, IL?
Yes, Dr. John Friedewald is accepting new patients at this time.
Does Dr. John Friedewald offer online booking?
Please contact Dr. Friedewald's office at (312) 695-8900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Friedewald?
Please contact Dr. Friedewald's office at (312) 695-8900 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>