Doctor Profile

Cardiology · Interventional Cardiology

Mccall R. Walker

MD · Interventional Cardiology · Louisiana State University School Of Medicine In New Orleans
191 INNOVATION CT
SUITE A
Gray, LA 70359
✓ Accepts Medicare 💻 Offers Telehealth 🎓 10 Years Practicing
129
Medicare Patients / yr
2
Procedures Billed
10
Years Practicing
3
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Mccall R. Walker's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Walker

See which plans Dr. Walker accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Louisiana, the fastest way to find a Medicare plan that covers Dr. Walker is to compare every Medicare Advantage and Part D plan available near 70359, LA — the Interventional Cardiology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 70359, LA →

Or call the office at (985) 303-4050 to confirm acceptance directly.

What Dr. Walker Does

Dr. Walker served 129 Medicare patients across 144 services in the latest CMS reporting year. That's 95% below the average Interventional Cardiology in Louisiana (2,366 patients across 99 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)8875
Established patient office or other outpatient visit, 20-29 minutes (99213)5654

How to read this: "Services" are the total times Dr. Walker billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Walker is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Terrebonne General Medical Center - Parish

Houma, LA
★★★★☆ 4/5 CMS Rating

Thibodaux Regional Medical Center

Thibodaux, LA
★★★☆☆ 3/5 CMS Rating

St Charles Parish Hospital

Luling, LA
Rating not available

Practice Location & Telehealth Readiness

Dr. Walker practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Walker offers telehealth — broadband availability at your home matters for virtual visits.

Address: 191 INNOVATION CT, SUITE A, Gray, LA 70359
Phone: (985) 303-4050

Area Safety Grade

C+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

32 min

Average commute time in this zip · 93% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

65.8969

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Cardiology Doctors near 70359, LA

If Dr. Walker isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 70359, LA:

DoctorSpecialtyMedicare Patients / yrDistance
Craig M. WalkerInterventional Cardiology2.6K7.3 mi
Eric D. EngeronInterventional Cardiology3.3K7.3 mi
Matthew T. FinnInterventional Cardiology1.9K7.3 mi
Dikshya SharmaCardiovascular Disease (Cardiology)—7.3 mi
William R. LaddCardiovascular Disease (Cardiology)6.4K7.3 mi

View all cardiology doctors near 70359, LA →

How to Use This Information

Choosing a Medicare plan that covers Dr. Walker takes three steps:

Compare Medicare Plans near 70359, LA → All Doctors near 70359, LA

Mccall R. Walker: Common Questions

Does Dr. Walker accept Medicare?
Yes. Dr. Walker is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Walker depends on that plan's provider network. Compare Medicare plans near 70359, LA →
Where is Dr. Walker's office?
Dr. Walker practices at 191 INNOVATION CT, SUITE A, Gray, LA 70359. Phone: (985) 303-4050.
What Medicare plans does Dr. Walker accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (985) 303-4050 to confirm your specific plan is accepted, or compare all Medicare plans near 70359, LA to see available options.
Does Dr. Walker offer telehealth visits?
Dr. Walker is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Walker?
Dr. Walker graduated in 2016 and has been practicing for approximately 10 years. In the latest CMS reporting year, Dr. Walker treated 129 Medicare patients across 2 distinct procedure types.
How do I know if Dr. Walker is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (985) 303-4050 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile → • LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology → • Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Cardiology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 70359, LA:

Does your Medicare plan cover Dr. Walker?

Compare Plans near 70359, LA →