GS
28 Years of Experience
Accepting patients
Who is Dr. Sebastian, Internist in Hoffman Estates, IL?
Dr. Geoffrey Sebastian, MD is an Internist, who primarily practices in Hoffman Estates, IL with 1 additional practice location. He has been practicing for over 28 years and is board certified. Dr. Sebastian is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Sebastian’s office.
Where did Dr. Sebastian go to medical school and complete their residency?
Medical School: Rush Med Coll of Rush University, Chicago Il
Is Dr. Sebastian board certified as an Internist?
Yes, Dr. Geoffrey Sebastian, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Sebastian speak?
Dr. Sebastian and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Internist like Dr. Sebastian typically treat?
As an Internist, Dr. Sebastian 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. Sebastian. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Chronic Kidney Disease
- Type 2 Diabetes with Diabetic Neuropathy
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Kidney Problems
- Diabetic Nerve Problems
- Diabetic Neuropathy
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
- Diabetic Nerve Damage
- Diabetic Polyneuropathy
- Peripheral Neuropathy from Diabetes
- Diabetes Mellitus Nerve Problems
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
- E1142: Type 2 diabetes mellitus with diabetic polyneuropathy
Also known as:
- Osteoarthritis of both knees
- Osteoarthritis
- Degenerative joint disease
- Wear-and-tear arthritis
- Arthrosis
- Joint degeneration
ICD-10 Codes:
- M170: Bilateral primary osteoarthritis of knee
Also known as:
- Chronic Kidney Disease from High Blood Pressure
- Chronic Kidney Disease
- High Blood Pressure
- Hypertensive Chronic Kidney Disease
- High Blood Pressure Kidney Disease
- Hypertension-Related Kidney Disease
ICD-10 Codes:
- I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Also known as:
- One-Sided Weakness or Paralysis After Ischemic Stroke
- Paralysis
- Stroke
- Post-ischemic stroke hemiplegia
- Partial paralysis from ischemic stroke
- Ischemic stroke-related body weakness
- Hemiparesis after brain infarction
ICD-10 Codes:
- I69354: Hemiplegia and hemiparesis following cerebral infarction affecting left non-dominant side
Also known as:
- COPD
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
Also known as:
- Parkinson's Disease
- PD
- Shaking Palsy
- Paralysis Agitans
ICD-10 Codes:
- G20: Parkinson's disease
Also known as:
- High Blood Pressure Heart and Kidney Disease with Heart Failure
- Chronic Kidney Disease
- Heart Failure
- High Blood Pressure
- Hypertensive Cardiorenal Syndrome
- Heart and Kidney Failure from High Blood Pressure
ICD-10 Codes:
- I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
What procedures does an Internist like Dr. Sebastian typically perform?
As an Internist, procedures performed by Dr. Geoffrey Sebastian may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
Please contact Dr. Sebastian's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Sebastian accept my insurance?
Dr. Sebastian accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sebastian accept in Hoffman Estates, IL?
Dr. Sebastian in Hoffman Estates, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Group 1001
View All Insurances
Where is Dr. Sebastian's office located?
What is Dr. Sebastian's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sebastian's National Provider Identifier (NPI) number is 1114991163.
What common questions do patients ask about Dr. Sebastian?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sebastian
What is Dr. Geoffrey Sebastian's specialty?
Dr. Sebastian is a Internist near Hoffman Estates, 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 this Dr. Geoffrey Sebastian affiliated with a ranked Castle Connolly Top Hospital?
No, Sebastian is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Geoffrey Sebastian accepting new patients in Hoffman Estates, IL?
Yes, Dr. Geoffrey Sebastian is accepting new patients at this time.
Does Dr. Geoffrey Sebastian offer online booking?
Please contact Dr. Sebastian's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Geoffrey Sebastian?
Please contact Dr. Sebastian's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Geoffrey Sebastian have?
Dr. Geoffrey Sebastian is certified by the American Board of Internal Medicine.
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