Dr. James Morrissey, MD
What this data tells you about Dr. Morrissey
Dr. James Morrissey is a thoracic surgery specialist in Stockton, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Morrissey performed 618 Medicare services across 599 unique beneficiaries.
Between the years covered by Open Payments, Dr. Morrissey received a total of $11,104 from 19 pharmaceutical and/or device companies across 220 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in thoracic surgery. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Morrissey 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 |
|---|---|---|---|
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
151 | $88 | $250 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
113 | $137 | $310 |
| Coronary artery bypass graft, 1 artery Surgical procedure to bypass a blocked coronary artery using a graft from another artery. This restores blood flow to the heart muscle. |
75 | $1,332 | $6,000 |
| 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. |
35 | $569 | $2,800 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
34 | $103 | $160 |
| Coronary artery bypass graft, 2 grafts A surgical procedure to restore blood flow to the heart by creating bypasses using two vein or artery grafts. |
30 | $307 | $1,200 |
| Plaque removal from heart artery during bypass surgery This procedure involves removing plaque buildup from a heart artery at the same time as a coronary artery bypass graft. It is performed to clear blockages and improve blood flow to the heart muscle. |
28 | $172 | $850 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
27 | $70 | $154 |
| Coronary artery bypass graft, 3 grafts A surgical procedure to restore blood flow to the heart by creating bypasses using vein or artery grafts. This specific code covers the placement of three grafts. |
26 | $406 | $1,500 |
| Aortic valve replacement surgery Surgical replacement of the aortic valve using a heart-lung machine to maintain blood circulation during the procedure. |
21 | $1,428 | $6,500 |
| Left atrial appendage exclusion Surgical closure of the left atrial appendage of the heart, performed as part of another chest procedure. |
20 | $98 | $350 |
| Arterial thrombectomy, chest, neck, or brain A procedure to remove a blood clot and part of an artery in the chest, neck, or brain. |
18 | $837 | $3,650 |
| Coronary artery bypass graft, 1 graft Surgery to create a new route for blood to flow around a blocked coronary artery using a vein or artery graft. |
15 | $140 | $600 |
| Surgical removal of pericardial tissue for drainage A surgical procedure to remove a piece of the sac surrounding the heart to allow for drainage. |
14 | $575 | $2,700 |
| Endoscopic removal of chest lymph nodes A surgical procedure to remove lymph nodes from the chest cavity using an endoscope, a thin tube with a camera inserted through small incisions. |
11 | $160 | $765 |
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 ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
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. Morrissey is a cardiac surgery specialist, with above-average Medicare volume (top 12% in CA), with low-engagement industry engagement, with 19 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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