MW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Interventional Cardiologist in Gray, LA?
Dr. Mccall Walker is an Interventional Cardiologist, who primarily practices in Gray, LA with 1 additional practice location. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (985) 303-4100.
What languages does Dr. Walker speak?
Dr. Walker and their clinical team can communicate with patients in the following languages:
English
What conditions does an Interventional Cardiologist like Dr. Walker typically treat?
As an Interventional Cardiologist, Dr. Walker diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Walker. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Chronic Venous Insufficiency
- Vascular Disease
- CVI
- Venous Reflux Disease
- Leg Vein Incompetence
- Peripheral Venous Insufficiency
ICD-10 Codes:
- I872: Venous insufficiency (chronic) (peripheral)
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
What procedures does an Interventional Cardiologist like Dr. Walker typically perform?
As an Interventional Cardiologist, Dr. Walker performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Walker. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Foam Sclerotherapy for Varicose Veins
- Varicose vein foam injection
- Ultrasound-guided sclerotherapy
- Saphenous vein treatment
CPT Codes:
- 36465: Injection of non-compounded foam sclerosant with ultrasound compression maneuvers to guide dispersion of the injectate, inclusive of all imaging guidance and monitoring; single incompetent extremity truncal vein (eg, great saphenous vein, accessory saphenous vein)
Also known as:
- Intravascular Ultrasound (Non-Heart Vessels)
- Intravascular Ultrasound (Additional Non-Coronary Vessel)
- IVUS (Non-Coronary)
- Vessel Ultrasound
- Internal Artery Ultrasound
- IVUS for Blood Vessels
- Non-Coronary Vessel Ultrasound
- Internal Blood Vessel Imaging
CPT Codes:
- 37252: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; initial noncoronary vessel (List separately in addition to code for primary procedure)
- 37253: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; each additional noncoronary vessel (List separately in addition to code for primary procedure)
Also known as:
- Radiofrequency Vein Ablation
- Endovenous Radiofrequency Ablation
- RF Ablation for Varicose Veins
- Vein Closure Procedure
- Varicose Vein Treatment
CPT Codes:
- 36475: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; first vein treated
Also known as:
- Leg Artery Unblocking with Atherectomy and Angioplasty
- Femoral Artery Revascularization
- Popliteal Artery Atherectomy
- Leg Artery Angioplasty
- Peripheral Artery Disease Treatment
CPT Codes:
- 37225: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with atherectomy, includes angioplasty within the same vessel, when performed
Also known as:
- Vein X-ray Injection (Extremity)
- X-Rays
- Extremity Venography
- Venogram Injection
- Vein Imaging Injection
- Contrast Injection for Vein X-ray
CPT Codes:
- 36005: Injection procedure for extremity venography (including introduction of needle or intracatheter)
Also known as:
- Vein Stent Placement
- Transcatheter Vein Stenting
- Intravascular Vein Stent
- Percutaneous Vein Angioplasty and Stent
CPT Codes:
- 37238: Transcatheter placement of an intravascular stent(s), open or percutaneous, including radiological supervision and interpretation and including angioplasty within the same vessel, when performed; initial vein
Does Dr. Walker accept my insurance?
Dr. Walker accepts most major insurance plans. Important: Please call our office at (985) 303-4100 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Gray, LA?
Dr. Walker in Gray, LA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross and Blue Shield of Louisiana
CVS Health (formerly Aetna)
Federal government of the United States
Fidelity Insurance Group
Humana
Medicaid
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Walker's office located?
Dr. Mccall Walker's Primary Practice
191 Innovation Ct Ste A
Gray, LA 70359
(985) 303-4100
What is Dr. Walker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Walker's National Provider Identifier (NPI) number is 1457705501.
What common questions do patients ask about Dr. Walker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Walker
What is Dr. Mccall Walker's specialty?
Dr. Walker is a Interventional Cardiologist near Gray, LA.
What does an Interventional Cardiologist do?
A branch of medicine within cardiology that employs advanced imaging and diagnostic techniques to assess blood flow and pressure in the coronary arteries and heart chambers. This specialty also utilizes technical procedures and medications to address abnormalities that affect cardiovascular function.
Is this Dr. Mccall Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Terrebonne General Health System, Thibodaux Regional Health System, Ochsner St. Anne Hospital, Ochsner Medical Center - New Orleans, East Jefferson General Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Interventional Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Interventional Cardiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mccall Walker accepting new patients in Gray, LA?
Yes, Dr. Mccall Walker is accepting new patients at this time.
Does Dr. Mccall Walker offer online booking?
Please contact Dr. Walker's office at (985) 303-4100 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mccall Walker?
Please contact Dr. Walker's office at (985) 303-4100 for information regarding telehealth appointment availability or for scheduling assistance.
Other Interventional Cardiologist Near Gray, LA

Interventional Cardiologist
Dr. Eric Engeron, MD is an Interventional Cardiologist, who primarily practices in Houma, LA. He has been practicing for over 26 years and is board certified.
Houma, LA
AC
Interventional Cardiologist
Dr. Anil Chagarlamudi, MD is an Interventional Cardiologist, who primarily practices in Houma, LA with 1 additional practice location. He is board certified.
Houma, LA

Interventional Cardiologist
Dr. Richard Abben, MD is an Interventional Cardiologist, who primarily practices in Houma, LA. He has been practicing for over 41 years and is board certified.
Houma, LA