Dr. Mark M. Cassidy
- Gender: Male
- Experience: 40 years
- Graduated from: Tulane University School Of Medicine
- Graduation year: 1981
- Sole propriator: No
- NPI: 1619081932
Dr. Mark M. Cassidy M.D.
Cardiologist
He is located at 1415 Tulane Avenue in New Orleans, LA 70112. Can help patients with the following: Atherosclerosis, Congenital Heart Disease (CHD), Endocarditis, Heart Valve Disease, Hyperlipidemia, Mitral Valve Prolapse (MVP). His National Provider Identifier (NPI) number is 1619081932. Appointment can be made via the phone number (504) 988-5152. He also has a website where you can get more information. The website can be found at http://www.lcmchealth.org/physician-directory/mark-m-cassidy-md/.
Conditions treated
Dr. Mark Mccreary Cassidy, being an cardiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark M. Cassidy.
- Abdominal Aortic Aneurysm (AAA)
- Amyloidosis
- Angina
- Aortic Stenosis
- Arrhythmia
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Chronic Venous Insufficiency
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Edema
- Endocarditis
- Fainting
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- High Blood Pressure
- High Cholesterol
- Hyperlipidemia
- May-Thurner Syndrome
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Orthostatic Hypotension
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. Mark M. Cassidy
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark M. Cassidy as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Louisiana
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 8 plans from Blue Cross and Blue Shield of Louisiana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Max 70/50 $6700 with 2 $0 PCP Virtual Visits HSA Eligible | PPO · Bronze | Not Applicable | Accepting new patients |
| Blue Max 80/60 $1500 with 2 $0 PCP Virtual Visits | PPO · Gold | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 50/50 $3300 with 2 $0 PCP Virtual Visits | PPO · Silver | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 50/50 $7500 Standardized HSA Eligible | PPO · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 60/40 $6000 Standardized | PPO · Silver | Not Applicable | Accepting new patients |
| Blue Max Copay (PCP) 75/55 $2000 Standardized | PPO · Gold | Not Applicable | Accepting new patients |
| Blue Saver 60/40 $6100 | PPO · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue Saver 90/70 $3400 | PPO · Silver | Not Applicable | Accepting new patients |
HMO Louisiana
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 12 plans from HMO Louisiana
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue POS 60/40 $6500 with 2 $0 PCP Virtual Visits HSA Eligible | POS · Bronze | Not Applicable | Accepting new patients |
| Blue POS 80/60 $3200 with 2 $0 PCP Virtual Visits | POS · Silver | Not Applicable | Accepting new patients |
| Blue POS 90/70 $9900 with 2 $0 PCP Virtual Visits HSA Eligible | POS · Bronze | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 50/50 $7500 Standardized HSA Eligible | POS · Expanded Bronze | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 60/40 $6000 Standardized | POS · Silver | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 75/55 $2000 Standardized | POS · Gold | Not Applicable | Accepting new patients |
| Blue POS Copay (PCP) 80/60 $1000 with 2 $0 PCP Virtual Visits | POS · Gold | Not Applicable | Accepting new patients |
| Signature Blue 80/60 $3200 with 2 $0 PCP Virtual Visits | POS · Silver | Not Applicable | Accepting new patients |
| Signature Blue 90/70 $9900 with 2 $0 PCP Virtual Visits HSA Eligible | POS · Bronze | Not Applicable | Accepting new patients |
| Signature Blue Copay (PCP) 50/50 $7500 Standardized HSA Eligible | POS · Expanded Bronze | Not Applicable | Accepting new patients |
| Signature Blue Copay (PCP) 60/40 $6000 Standardized | POS · Silver | Not Applicable | Accepting new patients |
| Signature Blue Copay (PCP) 75/55 $2000 Standardized | POS · Gold | Not Applicable | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Mark M. Cassidy is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mark M. Cassidy is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) (also registered under: Practitioner - Internal Medicine) .
Bills through: Administrators Of The Tulane Educational Fund
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| E.R. Squibb \u0026 Sons | $132 |
| Heartflow | $113 |
| Amgen | $76 |
Other
| Food and Beverage | $564 |
Studies
TULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1981Other ways to reach out
- Website: http://www.lcmchealth.org/physician-directory/mark-m-cassidy-md/
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Questions & Answers
What conditions does Dr. Mark Mccreary Cassidy treat?
Dr. Mark Mccreary Cassidy provides treatment for Atherosclerosis, Congenital Heart Disease (CHD), Endocarditis, Heart Valve Disease, Hyperlipidemia, Mitral Valve Prolapse (MVP). For the full list see this list.
Does Dr. Mark Mccreary Cassidy accept patients with Blue Cross and Blue Shield of Louisiana?
Yes, Dr. Mark Mccreary Cassidy is listed in-network for Blue Cross and Blue Shield of Louisiana through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Mark Mccreary Cassidy?
Dr. Mark Mccreary Cassidy's office is located at 1415 Tulane Avenue in New Orleans, LA 70112.