Dr. John Nan, M.D
Interventional Cardiology
12+
Years in Practice
Available
Telehealth
Practice Locations
1 location
About Dr. John Nan
John Nan, MD is a healthcare provider practicing in Rochester, MN.
Specialty Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
12
Years Experience
1
Location
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Interventional CardiologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 2014
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| Minnesota | 63819 | Internal Medicine | — |
| Wisconsin | 65575 | Internal Medicine | — |
| Minnesota | 63819 | Internal Medicine | — |
| Minnesota | 63819 | Internal Medicine |
Public Data Summary for Dr. John Nan
With 12 years of practice, Dr. John Nan is an established interventional cardiology provider, M.D, after earning their medical degree at Other in 2014. Dr. currently practices at Third Optometric Care Of California in El Cerrito, California. Their National Provider Identifier (NPI) is 1013336643, 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 Nan as a lower-volume interventional cardiology provider, treating approximately 143 Medicare beneficiaries and delivering 295 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. John Nan received $3K in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$3K
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. John Nan
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0 reviews
Interventional Cardiology Providers Nearby
Same primary specialty near ZIP 92663
FAQ
Frequently asked questions about Dr. John Nan
What does Dr. John Nan specialize in?
Dr. John Nan specializes in Interventional Cardiology. Secondary taxonomy filings also list Internal Medicine.
Where does Dr. John Nan practice?
Dr. John Nan practices at Third Optometric Care Of California in El Cerrito, California.
Does Dr. John Nan accept Medicare?
CMS records show that Dr. John Nan accepts Medicare assignment. CMS billing data shows 143 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. John Nan's NPI number?
Dr. John Nan's National Provider Identifier (NPI) is 1013336643. 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 Nan been practicing?
Dr. John Nan has approximately 12 years of practice experience, having graduated from Other in 2014.