Dr. Mamoo Nakamura, M.D.
What this data tells you about Dr. Nakamura
Dr. Mamoo Nakamura is an interventional cardiology specialist in West Hollywood, CA, with 17 years of NPI registration. Based on federal Medicare data, Dr. Nakamura performed 1,096 Medicare services across 1,007 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nakamura received a total of $92,570 from 13 pharmaceutical and/or device companies across 446 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in interventional cardiology. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Nakamura is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Coronary angiography A procedure to insert a tube into a coronary artery to capture diagnostic images of the heart's blood vessels. |
241 | $141 | $838 |
| Coronary stent placement A procedure to insert a stent into a coronary artery or its branch to keep it open, using balloon dilation during the process. |
213 | $444 | $1,986 |
| Cardiac catheterization | 159 | $197 | $1,033 |
| Ultrasound of heart blood vessel or graft An ultrasound exam to evaluate blood flow in a heart blood vessel or graft, including a radiologist's review of the initial vessel. |
72 | $78 | $323 |
| Right heart catheterization A procedure where a thin, flexible tube is inserted into the right side of the heart to measure pressure and oxygen levels. |
62 | $82 | $467 |
| Transcatheter aortic valve replacement via femoral artery A minimally invasive procedure to replace a diseased aortic heart valve using a catheter inserted through the skin and femoral artery. |
53 | $618 | $6,013 |
| Tube insertion in bypass graft for diagnosis A tube is inserted into a bypass graft to allow for diagnostic evaluation. A radiologist reviews the procedure. |
38 | $176 | $986 |
| Heart muscle biopsy A procedure to remove a small sample of heart muscle tissue for laboratory examination. |
33 | $179 | $787 |
| Mitral valve repair through skin, initial prosthesis A minimally invasive procedure to repair the mitral valve using a new prosthetic device inserted through the skin. |
30 | $1,475 | $6,539 |
| Intravascular ultrasound of heart vessel, initial An ultrasound procedure used to evaluate a blood vessel within the heart during a diagnostic or treatment procedure. |
28 | $60 | $290 |
| Balloon dilation of single coronary artery or branch A procedure to widen a single coronary artery or its branch using a balloon catheter to restore blood flow. |
24 | $407 | $1,782 |
| Removal of plaque, insertion of stent and/or balloon dilation of single coronary artery, branch or bypass graft | 23 | $540 | $2,254 |
| Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | 23 | $291 | $1,279 |
| Repair of left upper heart chamber with implant A surgical procedure to repair the left upper chamber of the heart using an implanted device, with review by a radiologist. |
21 | $647 | $2,713 |
| Additional heart vessel ultrasound evaluation An additional ultrasound assessment of a specific heart blood vessel or graft, including radiologist review. |
19 | $62 | $265 |
| Insertion of aortic blood flow assist device A minimally invasive procedure to place a device into the aorta through the skin to help assist blood flow. |
16 | $152 | $952 |
| Right heart catheterization with coronary angiography A procedure to insert a tube into the right side of the heart and coronary arteries to gather diagnostic information, with review by a radiologist. |
14 | $246 | $1,044 |
| Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist | 14 | $244 | $1,170 |
| Mitral valve repair with additional prosthesis A procedure to repair the mitral valve in the heart using an additional prosthetic device. This is performed through the skin. |
13 | $346 | $1,570 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (47%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 10% for interventional cardiology in CA.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Nakamura is an interventional & cardiac specialist, with moderate Medicare volume, with consulting-driven industry engagement in the top 10% of CA peers, with 17 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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