Dr. John Ryan, M.D.
Internal Medicine
20+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Dr. John Ryan
John Ryan, M.D. is a healthcare provider practicing in Lake Mary, FL.
Specialty Definition
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.
49
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
State University Of New York Downstate Medical Center
Class of 1977
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Florida | ME44570 | Internal Medicine |
Public Data Summary for Dr. John Ryan
With 20 years of practice, Dr. John Ryan is an established internal medicine provider, M.D., after earning their medical degree at State University Of New York Downstate Medical Center in 1977. Dr. currently practices at Orlando Cardiac And Vascular Specialists Llc in Lake Mary, Florida. Their National Provider Identifier (NPI) is 1144266974, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. John Ryan as a moderate-volume internal medicine provider, treating approximately 764 Medicare beneficiaries and delivering 4K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. John Ryan
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 32746
FAQ
Frequently asked questions about Dr. John Ryan
What does Dr. John Ryan specialize in?
Dr. John Ryan specializes in Internal Medicine.
Where does Dr. John Ryan practice?
Dr. John Ryan practices at Orlando Cardiac And Vascular Specialists Llc in Lake Mary, Florida.
Does Dr. John Ryan accept Medicare?
CMS records show that Dr. John Ryan accepts Medicare assignment. CMS billing data shows 764 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. John Ryan's NPI number?
Dr. John Ryan's National Provider Identifier (NPI) is 1144266974. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. John Ryan been practicing?
Dr. John Ryan has approximately 20 years of practice experience, having graduated from State University Of New York Downstate Medical Center in 1977.