JACC Clin Electrophysiol
Dr. Mark Y. Lee, MD
- Medicare services, 2024
- 4,527
- Medicare patients, 2024
- 650
- Part D claims, 2024
- 1,500
- Publications
- 10
- Clinical trials
- 5
- Practice address
- 2898 Linden Ave, Long Beach, CA 90806
- Practice phone
- Call (562) 595-8671
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Cardiology Medical Group, Inc
Long Beach, California
Find Dr. Lee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark Y. Lee is a cardiac electrophysiologist in Long Beach, California
Dr. Lee practices at Memorial Cardiology Medical Group, Inc in Long Beach, California.
Dr. Lee's NPI, 1487943510, was assigned on March 29, 2011. Dr. Lee graduated from The Robert Larner, M.D. College of Medicine in 2009. Dr. Lee holds California license 116281.
- NPI
- 1487943510NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668618869
- NPI enumeration date
- March 29, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 595-8671
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Y. Lee practices at Memorial Cardiology Medical Group, Inc in Long Beach, California
Dr. Lee's primary practice is Memorial Cardiology Medical Group, Inc, at 2898 Linden Ave, Long Beach, CA 90806 in Los Angeles County. The practice phone is (562) 595-8671.
- Memorial Cardiology Medical Group, Inc2898 Linden Ave, Long Beach, CA 90806 · Los Angeles CountyPhone(562) 595-8671
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Y. Lee is affiliated with 4 sites of care and 1 medical group
Dr. Lee's primary practice is Memorial Cardiology Medical Group, Inc in Long Beach, California. Dr. Lee is also affiliated with Long Beach Medical Center. The medical group on file is Memorial Cardiology Medical Group. Dmand AI also links Dr. Lee to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Y. Lee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Cardiology Medical Group, Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Y. Lee is one of 284 cardiac electrophysiologists in California
Clinical cardiac electrophysiology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dr. Lee is board certified in cardiac electrophysiology by the American Board of Internal Medicine. Dmand AI has Dr. Lee's licenses on file in 2 states: California and Vermont.
Specialties and state licenses
- Clinical cardiac electrophysiology, CaliforniaPrimary
- Vermont license
Clinical focus
Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiomyopathy, chronic hypertension, coronary artery disease, heart blockage and heart failure among the conditions Dr. Lee treats.
Cardiac electrophysiologists near Dr. Lee
Counts of cardiac electrophysiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Y. Lee billed Medicare for 4,527 services in 2024
CMS data shows 4,527 Medicare services from Dr. Lee across 38 procedure codes in 2024, for 650 Medicare patients. Medicare paid $456,963 for them.
Dr. Lee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8522024: 2,22520%
- Tests and treatments
- 2023: 1,0452024: 1,43137%
- Other services
- 2023: 652024: 491655%
- Drugs given in the office
- 2023: 1482024: 23357%
- Imaging
- 2023: 752024: 12769%
- Surgery
- 2023: 272024: 2026%
Where Dr. Lee's Medicare services took place, 2024
- In an office3,86485%
- In a facility66315%
Dr. Lee compared with the California median for cardiac electrophysiologists, 2024
- Dr. Lee
- California median
- Medicare services
- 4,527vs 2,50281% above
- Medicare patients
- 650vs 78417% below
- Part D claims
- 1,323vs 76373% above
Medians across 269 cardiac electrophysiologists in California 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.
Need commercial claims for Dr. Lee?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other cardiac electrophysiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Y. Lee treated 650 Medicare patients in 2024, average age 76
CMS counts 650 Medicare patients who saw Dr. Lee in 2024. The largest group is 65 to 74, with 266 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 69, with 46% women.
Dr. Lee's Medicare patients by age, 2024
Dr. Lee's Medicare patients by sex, 2024
- Women29746%
- Men35354%
Chronic conditions among Dr. Lee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation64%
- Ischemic heart disease50%
- Arthritis45%
- Heart failure45%
- Diabetes44%
- Chronic kidney disease41%
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 69
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Y. Lee wrote 1,500 Medicare Part D claims in 2024
In 2024, Dr. Lee wrote 1,500 Medicare Part D claims for 300 patients. 72% of them were for generic drugs. CMS names the drug for 1,323 of them, across 26 drugs with 11 or more claims each, at $488,524 in total drug cost. In 2023, CMS named 1,369 claims across 29 drugs.
Dr. Lee's Part D claims by kind of drug, 2024
- Generic1,075 claims72%
- Brand-name425 claims28%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,3692024: 1,3233%
Drugs named by CMS: 26 in 2024, 29 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. Mark Y. Lee scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Lee for performance year 2024, reported as part of a group. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lee as offering telehealth. CMS counts 33 procedures of pacemaker insertion or repair by Dr. Lee, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Lee's MIPS scores, performance year 2024
- 87of 100Final score
- 70.4of 100Quality
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Lee ranks in Medicare procedure volume
- Pacemaker insertion or repair
- 81st percentile33 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Y. Lee has 10 publications on record
Dmand AI links 10 papers to Dr. Lee, published from 2011 to 2024. 2021 was the busiest year, with 2. The most frequent topics are Atrial Fibrillation and Catheter Ablation. Dr. Lee's most frequent co-authors are Andrea Natale, MD, Adrian Harry Shandling, MD and Rajesh S. Banker, MD.
Dr. Lee's papers by year, 2011 to 2024
Topics Dr. Lee writes about most
- Atrial Fibrillation
- Catheter Ablation
Dr. Lee's most frequent co-authors
- Andrea Natale, MD2 shared papers
- Adrian Harry Shandling, MD2 shared papers
- Rajesh S. Banker, MD1 shared paper
Recent publications by Dr. Lee
Circ Arrhythm Electrophysiol
J Cardiovasc Pharmacol Ther
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 cardiac electrophysiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Y. Lee has worked on 5 clinical trials
Dmand AI links Dr. Lee to 5 clinical trials, 3 of them phase 3 studies. 2 are still active or recruiting. Conditions studied include Atrial Fibrillation, Arrhythmias, Cardiac and Atherosclerosis. InCarda Therapeutics, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Lee that name 1 trial.
Clinical trials with Dr. Lee by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 3Phase 3: 3 trials
- NonePhase 4: no trials
Conditions in Dr. Lee's trials
- Atrial Fibrillation
- Arrhythmias, Cardiac
- Atherosclerosis
- Arteriosclerosis
Investigators on the most trials with Dr. Lee
Recent clinical trials with Dr. Lee
A Study of Milvexian Versus Apixaban in Participants With Atrial Fibrillation (opens in a new tab)
Flecainide Acetate Inhalation Solution for Cardioversion of Recent-Onset, Symptomatic Atrial Fibrillation (opens in a new tab)
INhalation of Flecainide to Convert Recent Onset SympTomatic Atrial Fibrillation to siNus rhyThm (INSTANT) (opens in a new tab)
Pivotal Study Of A Dual Epicardial & Endocardial Procedure (DEEP) Approach (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Mark Y. Lee received $146,224 in industry payments from 2016 to 2025
CMS Open Payments shows 1,233 general payments to Dr. Lee from 65 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 61% of the total. Biosense Webster, Inc. paid the most, $74,296. It also lists 2 research payments totaling $26,233 in 2024, naming 1 clinical trial.
General payments to Dr. Lee by program year, 2016 to 2025
General payments to Dr. Lee by kind, 2016 to 2025
- Consulting fees$88,96261%
- Food and beverage$32,98623%
- Travel and lodging$18,18012%
- Speaker and faculty fees$5,7754%
- Other$3210%
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
Dr. Mark Y. Lee has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Lee, most recently Attending of the Year in 2018.
Awards and honors for Dr. Lee
- 2018
- Attending of the Year
- 2016
- FACC
- Undated
- Assistant Clinical Professor
Source: Dmand AI Professional Profile Data
Dr. Mark Y. Lee graduated from The Robert Larner, M.D. College of Medicine
Dr. Lee graduated from The Robert Larner, M.D. College of Medicine in 2009. Dr. Lee is a member of ACC and AHA.
- Medical school
- Board certified in cardiac electrophysiology
- Board certified in cardiovascular disease
- Board certified in clinical cardiac electrophysiology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mark Y. Lee accepts plans from 13 insurance carriers
Dr. Lee is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +5 more carriersWith a free account
Plan types Dr. Lee accepts, by number of carriers
- Medicare11
- PPO8
- HMO7
- POS4
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Y. 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Mark Y. 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. Mark Y. Lee's NPI number?
Dr. Mark Y. Lee's NPI number is 1487943510. It was assigned on March 29, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Y. Lee?
Dr. Mark Y. Lee is a cardiac electrophysiologist in Long Beach, California. The primary specialty in the NPI Registry is Clinical Cardiac Electrophysiology Physician (taxonomy code 207RC0001X).
Where does Dr. Mark Y. Lee practice?
Dr. Lee practices at 2898 Linden Ave, Long Beach, CA 90806. Dr. Lee's primary practice is Memorial Cardiology Medical Group, Inc in Long Beach, California. Dmand AI also links Dr. Lee to 1 hospital and 1 group practice or clinic.
What is Dr. Mark Y. Lee's office phone number?
The practice phone on file for Dr. Lee is (562) 595-8671.
What is Dr. Mark Y. Lee's medical license number?
Dr. Lee holds California license 116281, one of the licenses on file in 2 states.
Which states has Dr. Mark Y. Lee been licensed in?
Dmand AI has state licenses on file for Dr. Lee in California (2011 to 2027) and Vermont (2012 to 2016).
Which hospitals is Dr. Mark Y. Lee affiliated with?
Dr. Lee is affiliated with Long Beach Medical Center. Dmand AI links Dr. Lee to 1 more hospital.
What medical group is Dr. Mark Y. Lee part of?
Dr. Lee is linked to Memorial Cardiology Medical Group.
Does Dr. Mark Y. Lee accept Medicare?
Yes. CMS data shows Dr. Lee billed Medicare for 4,527 services in 2024, and Dr. Lee accepts Medicare assignment.
Does Dr. Mark Y. Lee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lee as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Mark Y. Lee's MIPS score?
Dr. Lee's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark Y. Lee see?
CMS counts 650 Medicare patients who saw Dr. Lee in 2024, with an average age of 76.
Is Dr. Mark Y. Lee board certified?
Yes. Dr. Lee is board certified in cardiac electrophysiology by the American Board of Internal Medicine.
What services does Dr. Mark Y. Lee bill to Medicare?
In 2024, Dr. Lee's most billed Medicare services were care management and other visits (99457), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Mark Y. Lee go to medical school?
Dr. Lee graduated from The Robert Larner, M.D. College of Medicine in 2009.
What drugs does Dr. Mark Y. Lee prescribe most?
In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Atorvastatin Calcium.
Has Dr. Mark Y. Lee received payments from drug or device companies?
CMS Open Payments shows $146,224 in general payments to Dr. Lee from 65 companies from 2016 to 2025. The largest total came from Biosense Webster, Inc.
How long has Dr. Mark Y. Lee been practicing?
Dr. Lee graduated from medical school in 2009, 17 years ago.
Does Dr. Mark Y. Lee do research?
Dmand AI links 10 publications to Dr. Lee, published from 2011 to 2024. Dr. Lee has worked on 5 clinical trials.
Who does Dr. Mark Y. Lee publish with?
Dr. Lee's most frequent co-authors are Andrea Natale, MD (2 shared papers), Adrian Harry Shandling, MD (2 shared papers) and Rajesh S. Banker, MD (1 shared paper).
What insurance does Dr. Mark Y. Lee accept?
Dr. Lee is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to clinical cardiac electrophysiology practices?
See cardiac electrophysiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card