Doctor Profile

Gastroenterology · Gastroenterology

Ajay Singh

MD · Gastroenterology
40 CROSS ST
Norwalk, CT 06851
✓ Accepts Medicare 🎓 12 Years Practicing
408
Medicare Patients / yr
10
Procedures Billed
12
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 Ajay Singh'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. Singh

See which plans Dr. Singh accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Connecticut, the fastest way to find a Medicare plan that covers Dr. Singh is to compare every Medicare Advantage and Part D plan available near 06851, CT — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 06851, CT →

Or call the office at (203) 546-3377 to confirm acceptance directly.

What Dr. Singh Does

Dr. Singh served 408 Medicare patients across 420 services in the latest CMS reporting year. That's similar to the average Gastroenterology in Connecticut (382 patients across 238 doctors).

ProcedureServicesMedicare Patients
Biopsy of large bowel using a flexible endoscope (45380)161159
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)6666
Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)5149
Injection beneath lining of large bowel using a flexible endoscope (45381)3029
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)2827

How to read this: "Services" are the total times Dr. Singh 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. Singh 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.

Mayo Clinic Health System - Mankato

Mankato, MN
★★★★★ 5/5 CMS Rating

Danbury Hospital

Danbury, CT
★★★☆☆ 3/5 CMS Rating

Norwalk Hospital

Norwalk, CT
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 40 CROSS ST, Norwalk, CT 06851
Phone: (203) 546-3377

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

34 min

Average commute time in this zip · 77% 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

98.4862

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 06851, CT

If Dr. Singh isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 06851, CT:

View all gastroenterology doctors near 06851, CT →

How to Use This Information

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

Compare Medicare Plans near 06851, CT → All Doctors near 06851, CT

Ajay Singh: Common Questions

Does Dr. Singh accept Medicare?
Yes. Dr. Singh is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Singh depends on that plan's provider network. Compare Medicare plans near 06851, CT →
Where is Dr. Singh's office?
Dr. Singh practices at 40 CROSS ST, Norwalk, CT 06851. Phone: (203) 546-3377.
What Medicare plans does Dr. Singh accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (203) 546-3377 to confirm your specific plan is accepted, or compare all Medicare plans near 06851, CT to see available options.
Does Dr. Singh offer telehealth visits?
CMS does not currently list Dr. Singh as offering telehealth. Call the office at (203) 546-3377 to confirm whether virtual visits are available.
How experienced is Dr. Singh?
Dr. Singh graduated in 2014 and has been practicing for approximately 12 years. In the latest CMS reporting year, Dr. Singh treated 408 Medicare patients across 10 distinct procedure types.
How do I know if Dr. Singh 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 (203) 546-3377 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:

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