Doctor Profile

Gastroenterology · Gastroenterology

Ramsey K. Umar

MD · Gastroenterology · University Of North Carolina At Chapel Hill School Of Medicine
6020 E ARBOR AVE
SUITE 101
Mesa, AZ 85206
✓ Accepts Medicare 🎓 25+ Years Practicing
1.5K
Medicare Patients / yr
18
Procedures Billed
25
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 Ramsey K. Umar'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. Umar

See which plans Dr. Umar accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Arizona, the fastest way to find a Medicare plan that covers Dr. Umar is to compare every Medicare Advantage and Part D plan available near 85206, AZ — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 85206, AZ →

Or call the office at to confirm acceptance directly.

What Dr. Umar Does

Dr. Umar served 1,503 Medicare patients across 1,985 services in the latest CMS reporting year. That's 132% above the average Gastroenterology in Arizona (649 patients across 275 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 20-29 minutes (99213)366296
Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)322321
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)23726
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)217214
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)16327

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

Banner Gateway Medical Center

Gilbert, AZ
★★★★☆ 4/5 CMS Rating

Banner Baywood Medical Center

Mesa, AZ
★★☆☆☆ 2/5 CMS Rating

Banner Desert Medical Center

Mesa, AZ
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 6020 E ARBOR AVE, SUITE 101, Mesa, AZ 85206
Phone:

Area Safety Grade

C

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 78% 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

56.8939

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 85206, AZ

If Dr. Umar isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 85206, AZ:

DoctorSpecialtyMedicare Patients / yrDistance
Sudhakar ReddyGastroenterology8451.4 mi
Jae KimGastroenterology4091.4 mi
Shahbaz A. QureshiGastroenterology8681.4 mi
Steven KaiserGastroenterology6621.6 mi
Anitha D. YadavGastroenterology4491.6 mi
Priti SudGastroenterology4701.6 mi

View all gastroenterology doctors near 85206, AZ →

How to Use This Information

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

  • Verify network status. Medicare Advantage plans each have their own provider networks. The same doctor may be in-network for one plan and out-of-network for another. Compare all Medicare plans near 85206, AZ →
  • Confirm directly with the office. Call Dr. Umar's office at to verify they're accepting new patients and which plans they currently accept. Use our printable question list →
  • Check enrollment windows. You can only switch Medicare plans during specific periods. Missing a deadline can cost you a year of coverage. Review enrollment dates →
Compare Medicare Plans near 85206, AZ → All Doctors near 85206, AZ

Ramsey K. Umar: Common Questions

Does Dr. Umar accept Medicare?
Yes. Dr. Umar is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Umar depends on that plan's provider network. Compare Medicare plans near 85206, AZ →
Where is Dr. Umar's office?
Dr. Umar practices at 6020 E ARBOR AVE, SUITE 101, Mesa, AZ 85206. Phone: .
What Medicare plans does Dr. Umar accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at to confirm your specific plan is accepted, or compare all Medicare plans near 85206, AZ to see available options.
Does Dr. Umar offer telehealth visits?
CMS does not currently list Dr. Umar as offering telehealth. Call the office at to confirm whether virtual visits are available.
How experienced is Dr. Umar?
Dr. Umar graduated in 2001 and has been practicing for approximately 25 years. In the latest CMS reporting year, Dr. Umar treated 1,503 Medicare patients across 18 distinct procedure types.
How do I know if Dr. Umar 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 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 Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 85206, AZ:

Does your Medicare plan cover Dr. Umar?

Compare Plans near 85206, AZ →