24 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Koo, Internist in Lake Forest, IL?
Dr. Jah-Won Koo, MD is an Internist, who primarily practices in Lake Forest, IL with 2 additional practice locations. He has been practicing for over 24 years and is board certified. Dr. Koo graduated from University Of Cincinnati College Of Medicine and completed his residency at Northwestern Memorial Hospital. Dr. Koo is fluent in English, and is currently seeing new patients. Dr. Koo’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koo’s office at (312) 563-2875.
Where did Dr. Koo go to medical school and complete their residency?
Residency: Northwestern Memorial Hospital
Medical School: University Of Cincinnati College Of Medicine
Is Dr. Koo board certified as an Internist?
Yes, Dr. Jah-Won Koo, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Koo speak?
Dr. Koo and their clinical team can communicate with patients in the following languages:
English
What conditions does an Internist like Dr. Koo typically treat?
As an Internist, Dr. Koo 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. Koo. 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:
- 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
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Exposure to HIV
- HIV
- HIV contact
- Suspected HIV exposure
- Human immunodeficiency virus exposure
ICD-10 Codes:
- Z206: Contact with and (suspected) exposure to human immunodeficiency virus [HIV]
What procedures does an Internist like Dr. Koo typically perform?
As an Internist, Dr. Koo 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. Koo. 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:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Koo accept my insurance?
Dr. Koo accepts most major insurance plans. Important: Please call our office at (312) 563-2875 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Koo accept in Lake Forest, IL?
Dr. Koo 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
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Koo's office located?
What hospitals are Dr. Koo affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Koo has admitting privileges at the following hospitals:
Northwestern Memorial Hospital,Chicago, IL
Ranked in 4 Procedures
Northwestern Memorial Hospital,Chicago, IL
Ranked in 4 Procedures
Northwestern Medicine Palos Hospital,Palos Heights, IL
Ranked in 2 Specialties
Ranked in 4 Procedures
Northwestern Medicine Palos Hospital,Palos Heights, IL
Ranked in 2 Specialties
Ranked in 4 Procedures
Northwestern Medicine Lake Forest Hospital,Lake Forest, IL
Gold Standard Top Hospital
Ranked in 2 Specialties
Ranked in 3 Procedures
Northwestern Medicine Lake Forest Hospital,Lake Forest, IL
Gold Standard Top Hospital
Ranked in 2 Specialties
Ranked in 3 Procedures
Northwestern Medicine Mchenry Hospital,McHenry, ILRanked in 2 Specialties
Ranked in 4 Procedures
Northwestern Medicine Mchenry Hospital,McHenry, IL
Ranked in 2 Specialties
Ranked in 4 Procedures
Northwestern Medicine Delnor Hospital,Geneva, ILGold Standard Top Hospital
Ranked in 3 Specialties
Ranked in 4 Procedures
Northwestern Medicine Delnor Hospital,Geneva, IL
Gold Standard Top Hospital
Ranked in 3 Specialties
Ranked in 4 Procedures
Rush University Medical Center,Chicago, ILRanked Colon Surgery
Rush University Medical Center,Chicago, IL
Ranked Colon Surgery
What is Dr. Koo's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Koo's National Provider Identifier (NPI) number is 1235241837.
What common questions do patients ask about Dr. Koo?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Koo
What is Dr. Jah-Won Koo's specialty?
Dr. Koo is an Internist near Lake Forest, IL.
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Is Dr. Jah-Won Koo affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Koo is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine Lake Forest Hospital, Northwestern Medicine Mchenry Hospital, Northwestern Medicine Delnor Hospital, Rush University Medical Center 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 an Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Internist. 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. Jah-Won Koo accepting new patients in Lake Forest, IL?
Yes, Dr. Jah-Won Koo is accepting new patients at this time.
Does Dr. Jah-Won Koo offer online booking?
Please contact Dr. Koo's office at (312) 563-2875 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Jah-Won Koo?
Please contact Dr. Koo's office at (312) 563-2875 to schedule an appointment.
Where is Dr. Koo's office located?
Dr. Koo's offices are located in Lake Forest, IL, Glen Ellyn, IL, and Evanston, IL.
Which board certifications does Dr. Jah-Won Koo have?
Dr. Jah-Won Koo is certified by the American Board of Internal Medicine.
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