Doctor Profile

Cardiology · Cardiovascular Disease (Cardiology)

Sabu John

MD · Cardiovascular Disease (Cardiology)
826 ALBANY AVE
Brooklyn, NY 11203
✓ Accepts Medicare 🎓 35+ Years Practicing
358
Medicare Patients / yr
7
Procedures Billed
35
Years Practicing
1
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 Sabu John'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. John

See which plans Dr. John accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for New York, the fastest way to find a Medicare plan that covers Dr. John is to compare every Medicare Advantage and Part D plan available near 11203, NY — the Cardiovascular Disease (Cardiology)'s office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 11203, NY →

Or call the office at (917) 407-7898 to confirm acceptance directly.

What Dr. John Does

Dr. John served 358 Medicare patients across 502 services in the latest CMS reporting year. That's 80% below the average Cardiovascular Disease (Cardiology) in New York (1,794 patients across 1,768 doctors).

ProcedureServicesMedicare Patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)143100
Established patient office or other outpatient visit, 20-29 minutes (99213)12169
Established patient office or other outpatient visit, 30-39 minutes (99214)8669
Insertion of needle into vein for collection of blood sample (36415)4830
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)4443

How to read this: "Services" are the total times Dr. John 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. John is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Kings County Hospital Center

Brooklyn, NY
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 826 ALBANY AVE, Brooklyn, NY 11203
Phone: (917) 407-7898

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

58 min

Average commute time in this zip · 28% 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

96.3667

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

Get directions on Google Maps →

Other Cardiology Doctors near 11203, NY

If Dr. John isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 11203, NY:

DoctorSpecialtyMedicare Patients / yrDistance
Marc K. RybsteinCardiovascular Disease (Cardiology)3.0K<1 mi
Subhash C. MalhotraCardiovascular Disease (Cardiology)1.1K<1 mi
Choudhury M. HasanCardiovascular Disease (Cardiology)183<1 mi
Gopi K. PunukolluCardiovascular Disease (Cardiology)694<1 mi
Hejmadi S. PrabhuCardiovascular Disease (Cardiology)1.9K<1 mi

View all cardiology doctors near 11203, NY →

How to Use This Information

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

Compare Medicare Plans near 11203, NY → All Doctors near 11203, NY

Sabu John: Common Questions

Does Dr. John accept Medicare?
Yes. Dr. John is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. John depends on that plan's provider network. Compare Medicare plans near 11203, NY →
Where is Dr. John's office?
Dr. John practices at 826 ALBANY AVE, Brooklyn, NY 11203. Phone: (917) 407-7898.
What Medicare plans does Dr. John accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (917) 407-7898 to confirm your specific plan is accepted, or compare all Medicare plans near 11203, NY to see available options.
Does Dr. John offer telehealth visits?
CMS does not currently list Dr. John as offering telehealth. Call the office at (917) 407-7898 to confirm whether virtual visits are available.
How experienced is Dr. John?
Dr. John graduated in 1991 and has been practicing for approximately 35 years. In the latest CMS reporting year, Dr. John treated 358 Medicare patients across 7 distinct procedure types.
How do I know if Dr. John 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 (917) 407-7898 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 11203, NY:

Does your Medicare plan cover Dr. John?

Compare Plans near 11203, NY →