Overview
John Alexander is an Internal Medicine provider in Rockford, Illinois. Dr. Alexander is highly rated in 3 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Heart Failure with Preserved Ejection Fraction (HFpEF), Obesity, Percutaneous Coronary Intervention (PCI), and Coronary Artery Bypass Graft (CABG).
His clinical research consists of co-authoring 356 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
- MEDICARE MAPD
- MEDICARE SNP
Locations
5666 E State St, Rockford, IL 61108
515 22nd Ave, Monroe, WI 53566
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. John Alexander
How do I make an appointment with Dr. John Alexander?
You can book an appointment with Dr. John Alexander by calling their office at 815-226-2000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John Alexander a top-rated expert for Percutaneous Coronary Intervention (PCI)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Alexander is classified as an Distinguished expert for Percutaneous Coronary Intervention (PCI), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John Alexander specialize in?
While Dr. John Alexander is a Internal Medicine, they have specific expertise in Percutaneous Coronary Intervention (PCI), Coronary Artery Bypass Graft (CABG), and Type 2 Diabetes (T2D). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. John Alexander participate in research or clinical trials?
Yes. Dr. John Alexander has published 356 articles and abstracts on conditions like Percutaneous Coronary Intervention (PCI). You can view a list of Dr. John Alexander's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John Alexander accept my insurance?
Dr. John Alexander accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 815-226-2000 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Coronary Artery Bypass Graft (CABG)Dr. Alexander isDistinguished. Learn about Coronary Artery Bypass Graft (CABG).
- Percutaneous Coronary Intervention (PCI)Dr. Alexander isDistinguished. Learn about Percutaneous Coronary Intervention (PCI).
- Advanced
- Type 2 Diabetes (T2D)Dr. Alexander isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- Abdominal Obesity Metabolic SyndromeDr. Alexander isExperienced. Learn about Abdominal Obesity Metabolic Syndrome.
- EndoscopyDr. Alexander isExperienced. Learn about Endoscopy.
- Gallbladder DiseaseDr. Alexander isExperienced. Learn about Gallbladder Disease.
- GastrostomyDr. Alexander isExperienced. Learn about Gastrostomy.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Hip ReplacementDr. Alexander isExperienced. Learn about Hip Replacement.

