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Dr. John Hyung-Il Lee, MD
NPI1154502045PAC ID6901986462
- Medicare services, 2024
- 11,335
- Medicare patients, 2024
- 1,940
- Part D claims, 2024
- 5,425
- Publications
- 4
- Hospital affiliations
- 5
- Practice address
- 43 Yawpo Ave, Oakland, NJ 07436
- Practice phone
- Call (201) 337-0066
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
William K Lee MD PA
Oakland, New Jersey
Find Dr. Lee's professional email, personal email and mobile number
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Dr. John Hyung-Il Lee is an interventional cardiologist in Oakland, New Jersey
Dr. Lee practices at William K Lee MD PA in Oakland, New Jersey.
Dr. Lee's NPI, 1154502045, was assigned on November 19, 2007. Dr. Lee holds Louisiana license MD.202601.
NPI and contact details
- NPI
- 1154502045NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901986462
- NPI enumeration date
- November 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (201) 337-0066
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Hyung-Il Lee practices at William K Lee MD PA in Oakland, New Jersey
Dr. Lee's primary practice is William K Lee MD PA, at 43 Yawpo Ave, Oakland, NJ 07436 in Bergen County. The practice phone is (201) 337-0066.
- William K Lee MD PA43 Yawpo Ave, Oakland, NJ 07436 · Bergen CountyPhone(201) 337-0066
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Hyung-Il Lee is affiliated with 11 sites of care and 4 medical groups
Dr. Lee's primary practice is William K Lee MD PA in Oakland, New Jersey. Dr. Lee is also affiliated with Morristown Medical Center. The medical group on file is Cardiac Associates of North Jersey. Dmand AI also links Dr. Lee to 4 more hospitals, 4 group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account.
William K Lee MD PAPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Hyung-Il Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| William K Lee MD PA | Available with a free account |
| +10 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Hyung-Il Lee is one of 164 interventional cardiologists in New Jersey
Interventional cardiology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Lee's licenses on file in 3 states: Louisiana, Missouri and Mississippi.
Specialties and state licenses
- Interventional cardiology, LouisianaPrimary
- Emergency medicine, Missouri
- Cardiovascular disease, Mississippi
Interventional cardiologists near Dr. Lee
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
164interventional cardiologists in New Jersey
5interventional cardiologists in Oakland
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Hyung-Il Lee billed Medicare for 11,335 services in 2024
CMS data shows 11,335 Medicare services from Dr. Lee across 54 procedure codes in 2024, for 1,940 Medicare patients. Medicare paid $1,549,782 for them.
Medicare services, 202411,335
Medicare patients1,940
Paid by Medicare$1.5M
Procedure codes54
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4,6362024: 4,4484%
- Office and hospital visits
- 2023: 4,1832024: 2,37043%
- Other services
- 2023: 1,2502024: 2,21777%
- Drugs given in the office
- 2023: 6762024: 1,30693%
- Imaging
- 2023: 4192024: 54630%
- Surgery
- 2023: 2432024: 39261%
- Lab and pathology
- 2023: 5642024: 5690%
Where Dr. Lee's Medicare services took place, 2024
- In an office10,74495%
- In a facility5915%
Dr. Lee compared with the New Jersey median for interventional cardiologists, 2024
- Dr. Lee
- New Jersey median
- Medicare services
- 11,335vs 2,2185.1 times
- Medicare patients
- 1,940vs 6792.9 times
- Part D claims
- 5,094vs 2,0372.5 times
Medians across 160 interventional cardiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Lee's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Hyung-Il Lee treated 1,940 Medicare patients in 2024, average age 77
CMS counts 1,940 Medicare patients who saw Dr. Lee in 2024. The largest group is 75 to 84, with 815 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 71, with 47% women.
Medicare patients, 20241,940
Average age77
Average risk score1.24
Also on Medicaid7%
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women1,00152%
- Men93948%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis50%
- Atrial fibrillation41%
- Diabetes35%
- Chronic kidney disease27%
- Heart failure26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Hyung-Il Lee wrote 5,425 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 5,425 Medicare Part D claims for 683 patients. 86% of them were for generic drugs. CMS names the drug for 5,094 of them, across 62 drugs with 11 or more claims each, at $832,863 in total drug cost. In 2023, CMS named 4,825 claims across 54 drugs.
Part D claims, 20245,425
Drugs named by CMS62
Total drug cost$832,863
Part D patients683
Dr. Lee's Part D claims by kind of drug, 2024
- Generic4,675 claims86%
- Brand-name750 claims14%
Dr. Lee's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lee's Part D claims, 2024
- Opioids0%14 of 5,425 claims
- Antibiotics0%23 of 5,425 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8252024: 5,0946%
Drugs named by CMS: 62 in 2024, 54 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Hyung-Il Lee ranks in the 95th percentile for leg revascularization (restoring blood flow) in Medicare
Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth. CMS counts 55 procedures of leg revascularization (restoring blood flow) by Dr. Lee, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lee ranks in Medicare procedure volume
- Varicose vein removal
- 93rd percentile272 procedures
- Leg revascularization (restoring blood flow)
- 95th percentile55 procedures
- Coronary angioplasty and stenting
- 60th percentile26 procedures
- Removal of tissue
- 71st percentile25 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Hyung-Il Lee has 4 publications on record
Dmand AI links 4 papers to Dr. Lee, published from 2011 to 2018. 2011 was the busiest year, with 2. The most frequent topics are Dietary Supplements, Fatty Acids, Omega-3 and Heart Failure. Dr. Lee's most frequent co-authors are Tara Kay Jarreau, MD, Hector O. Ventura, MD and Robert M. Bober, MD.
Papers4
Years published2011 to 2018
Topics Dr. Lee writes about most
- Dietary Supplements
- Fatty Acids, Omega-3
- Heart Failure
Dr. Lee's most frequent co-authors
- Tara Kay Jarreau, MD2 shared papers
- Hector O. Ventura, MD2 shared papers
- Robert M. Bober, MD1 shared paper
Recent publications by Dr. Lee
Congest Heart Fail
Amino AcidsDietary SupplementsElectron Transport Chain Complex Proteins
Curr Heart Fail Rep
Dietary SupplementsFatty Acids, Omega-3Fishes
See who Dr. Lee researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lee works with, so you can find a warm path to the right interventional cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Hyung-Il Lee received $27,142 in industry payments from 2016 to 2025
CMS Open Payments shows 718 general payments to Dr. Lee from 59 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Medtronic Vascular, Inc. paid the most, $3,284.
General payments to Dr. Lee by program year, 2016 to 2025
General payments to Dr. Lee by kind, 2016 to 2025
$27.1Kin total
- Food and beverage$22,37482%
- Travel and lodging$3,62513%
- Device or supply loans$9684%
- Education$1751%
Companies that paid Dr. Lee the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Hyung-Il Lee's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Hyung-Il Lee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Hyung-Il Lee's NPI number?
Dr. John Hyung-Il Lee's NPI number is 1154502045. It was assigned on November 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Hyung-Il Lee?
Dr. John Hyung-Il Lee is an interventional cardiologist in Oakland, New Jersey. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. John Hyung-Il Lee practice?
Dr. Lee practices at 43 Yawpo Ave, Oakland, NJ 07436. Dr. Lee's primary practice is William K Lee MD PA in Oakland, New Jersey. Dmand AI also links Dr. Lee to 4 hospitals, 4 group practices and clinics, 3 medical groups and 1 home health agency.
What is Dr. John Hyung-Il Lee's office phone number?
The practice phone on file for Dr. Lee is (201) 337-0066.
What is Dr. John Hyung-Il Lee's medical license number?
Dr. Lee holds Louisiana license MD.202601, one of the licenses on file in 3 states.
Which states has Dr. John Hyung-Il Lee been licensed in?
Dmand AI has state licenses on file for Dr. Lee in Louisiana, Missouri and Mississippi.
Which hospitals is Dr. John Hyung-Il Lee affiliated with?
Dr. Lee is affiliated with Morristown Medical Center. Dmand AI links Dr. Lee to 4 more hospitals.
What medical group is Dr. John Hyung-Il Lee part of?
Dr. Lee is linked to Cardiac Associates of North Jersey. Dmand AI links Dr. Lee to 3 more medical groups.
Does Dr. John Hyung-Il Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 11,335 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. John Hyung-Il Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. John Hyung-Il Lee see?
CMS counts 1,940 Medicare patients who saw Dr. Lee in 2024, with an average age of 77.
What services does Dr. John Hyung-Il Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were medicare temporary code (Q9967), heart test or procedure (93000) and injected or infused drug (J2785).
What drugs does Dr. John Hyung-Il Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. John Hyung-Il Lee received payments from drug or device companies?
CMS Open Payments shows $27,142 in general payments to Dr. Lee from 59 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. John Hyung-Il Lee been practicing?
Dr. Lee graduated from medical school in 1996, 30 years ago.
Does Dr. John Hyung-Il Lee do research?
Dmand AI links 4 publications to Dr. Lee, published from 2011 to 2018.
Who does Dr. John Hyung-Il Lee publish with?
Dr. Lee's most frequent co-authors are Tara Kay Jarreau, MD (2 shared papers), Hector O. Ventura, MD (2 shared papers) and Robert M. Bober, MD (1 shared paper).
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