Dr. Mark Y. Lee, MD
Cardiac Electrophysiology (Clinical Cardiac Electrophysiology Physician)
2898 Linden Ave
Long Beach, CA 90806
Who else practices at this address →
Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Vermont College of Medicine (2009)
- Years since graduation
- 17
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 650
Licensed in California since 2011, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2009Medical school: University of Vermont College of Medicine
- 2011Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Clinical Cardiac Electrophysiology Physician primary
CA license 116281 -
Cardiovascular Disease Physician
CA license 116281 -
Internal Medicine Physician
CA license A116281 (first issued 2011; current)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Memorialcare Long Beach Medical Center Long Beach, CA
- St Mary Medical Center Long Beach, CA
Medical groups
- Memorial Cardiology Medical Group Inc (7 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 650
- Services billed
- 4,694
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 439 | 240 |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 417 | 58 |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 316 | 51 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 277 | 111 |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 218 | 29 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 185 | 159 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 181 | 21 |
| Injection, regadenoson, 0.1 mg | 148 | 36 |
| Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month | 108 | 26 |
| New patient office or other outpatient visit, 45-59 minutes | 95 | 95 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 18 companies reported 103 payments worth $28,655 in total to this clinician.
| Biosense Webster, Inc. | $23,016 |
|---|---|
| Abbott Laboratories | $3,739 |
| Boston Scientific Corporation | $454 |
| Medtronic, Inc. | $329 |
| Novartis Pharmaceuticals Corporation | $237 |
| Kestra Medical Technology Services, Inc. | $217 |
| Zoll Services LLC (a/k/a Zoll Lifecor Corp) | $157 |
| Altathera Pharmaceuticals LLC | $101 |
| Consulting Fee | $25,613 |
|---|---|
| Food and Beverage | $2,272 |
| Travel and Lodging | $770 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Biosense Webster, Inc. Nov 27, 2025 | Consulting Fee | $3,600 |
| Biosense Webster, Inc. Jul 3, 2025 | Consulting Fee | $3,300 |
| Biosense Webster, Inc. Aug 20, 2025 | Consulting Fee CARTO 3 · Cardiology | $2,750 |
| Biosense Webster, Inc. Jan 13, 2025 | Consulting Fee | $2,250 |
| Biosense Webster, Inc. Aug 28, 2025 | Consulting Fee | $2,238 |
| Abbott Laboratories Sep 4, 2025 | Consulting Fee ACCENT · Structural Heart | $2,000 |
| Biosense Webster, Inc. Aug 26, 2025 | Consulting Fee | $1,650 |
| Biosense Webster, Inc. Nov 21, 2025 | Consulting Fee CARTO 3 · Cardiology | $1,650 |
| Abbott Laboratories Sep 18, 2025 | Consulting Fee ACCENT · Structural Heart | $1,500 |
| Biosense Webster, Inc. Mar 27, 2025 | Consulting Fee CARTO 3 · Cardiology | $1,375 |
All 17 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Biosense Webster, Inc. Nov 27, 2025 | Consulting Fee | $3,600 |
| Biosense Webster, Inc. Nov 21, 2025 | Consulting Fee CARTO 3 · Cardiology | $1,650 |
| Biosense Webster, Inc. Nov 20, 2025 | Travel and Lodging Thermocool SF · Therapeutic Catheters · travel to Carlsbad, CA · in-kind | $497 |
| Biosense Webster, Inc. Nov 20, 2025 | Travel and Lodging CARTO 3 · Cardiology · travel to Long Beach, CA · in-kind | $126 |
| Biosense Webster, Inc. Sep 22, 2025 | Consulting Fee CARTO 3 · Cardiology | $550 |
| Abbott Laboratories Sep 18, 2025 | Consulting Fee ACCENT · Structural Heart | $1,500 |
| Abbott Laboratories Sep 4, 2025 | Consulting Fee ACCENT · Structural Heart | $2,000 |
| Biosense Webster, Inc. Aug 28, 2025 | Consulting Fee | $2,238 |
| Biosense Webster, Inc. Aug 26, 2025 | Consulting Fee | $1,650 |
| Biosense Webster, Inc. Aug 20, 2025 | Consulting Fee CARTO 3 · Cardiology | $2,750 |
| Biosense Webster, Inc. Jul 29, 2025 | Travel and Lodging Thermocool SF · Therapeutic Catheters · travel to Long Beach, CA · in-kind | $148 |
| Biosense Webster, Inc. Jul 23, 2025 | Consulting Fee CARTO 3 · Cardiology | $1,100 |
| Biosense Webster, Inc. Jul 3, 2025 | Consulting Fee | $3,300 |
| Biosense Webster, Inc. Apr 4, 2025 | Consulting Fee CARTO 3 · Cardiology | $550 |
| Biosense Webster, Inc. Mar 27, 2025 | Consulting Fee CARTO 3 · Cardiology | $1,375 |
| Biosense Webster, Inc. Jan 22, 2025 | Consulting Fee | $1,100 |
| Biosense Webster, Inc. Jan 13, 2025 | Consulting Fee | $2,250 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $46,627 in research payments for these studies, mostly to the institutions running them.
- A Study to Investigate the Effect of Lepodisiran on the Reduction of Major Adverse Cardiovascular Events in Adults With Elevated Lipoprotein(a) - ACCLAIM-Lp(a)
Eli Lilly and Company · Active, not recruiting · NCT06292013
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.