Doctor Profile

Rheumatology · Rheumatology

Ronen Marmur

MD · Rheumatology
77 BATES ST
SUITE 201
Lewiston, ME 04240
✓ Accepts Medicare 💻 Offers Telehealth 🎓 31+ Years Practicing
3.1K
Medicare Patients / yr
39
Procedures Billed
31
Years Practicing
4
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 Ronen Marmur'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. Marmur

See which plans Dr. Marmur accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Maine, the fastest way to find a Medicare plan that covers Dr. Marmur is to compare every Medicare Advantage and Part D plan available near 04240, ME — the Rheumatology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 04240, ME →

Or call the office at (207) 795-5784 to confirm acceptance directly.

What Dr. Marmur Does

Dr. Marmur served 3,070 Medicare patients across 7,143 services in the latest CMS reporting year. That's 267% above the average Rheumatology in Maine (837 patients across 18 doctors).

ProcedureServicesMedicare Patients
Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg (Q5119)2,64016
Established patient office or other outpatient visit, 30-39 minutes (99214)578364
Measurement c-reactive protein for detection of infection or inflammation (86140)384262
Red blood cell sedimentation rate, to detect inflammation, automated (85652)382258
Insertion of needle into vein for collection of blood sample (36415)380266

How to read this: "Services" are the total times Dr. Marmur 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. Marmur is affiliated with 4 hospitals according to CMS Physician Compare. Below are the 4 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Central Maine Medical Center

Lewiston, ME
★★★★☆ 4/5 CMS Rating

Mainehealth Stephens Hospital

Norway, ME
★★★★☆ 4/5 CMS Rating

St Mary's Regional Medical Center

Lewiston, ME
★★★☆☆ 3/5 CMS Rating

Rumford Hospital

Rumford, ME
Rating not available

Practice Location & Telehealth Readiness

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

Address: 77 BATES ST, SUITE 201, Lewiston, ME 04240
Phone: (207) 795-5784

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

26 min

Average commute time in this zip · 79% 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

90.7432

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

Get directions on Google Maps →

Other Rheumatology Doctors near 04240, ME

If Dr. Marmur isn't accepting new patients or isn't in your plan's network, these are the closest rheumatology doctors near 04240, ME:

DoctorSpecialtyMedicare Patients / yrDistance
Sean D. StanhopeRheumatology348<1 mi
Charles MoltaRheumatology11<1 mi
Christine H. JonesRheumatology464147.9 mi
Elizabeth MathewRheumatology213284.1 mi
Ingrid HallRheumatology245284.1 mi

View all rheumatology doctors near 04240, ME →

How to Use This Information

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

Compare Medicare Plans near 04240, ME → All Doctors near 04240, ME

Ronen Marmur: Common Questions

Does Dr. Marmur accept Medicare?
Yes. Dr. Marmur is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Marmur depends on that plan's provider network. Compare Medicare plans near 04240, ME →
Where is Dr. Marmur's office?
Dr. Marmur practices at 77 BATES ST, SUITE 201, Lewiston, ME 04240. Phone: (207) 795-5784.
What Medicare plans does Dr. Marmur accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (207) 795-5784 to confirm your specific plan is accepted, or compare all Medicare plans near 04240, ME to see available options.
Does Dr. Marmur offer telehealth visits?
Dr. Marmur 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. Marmur?
Dr. Marmur graduated in 1995 and has been practicing for approximately 31 years. In the latest CMS reporting year, Dr. Marmur treated 3,070 Medicare patients across 39 distinct procedure types.
How do I know if Dr. Marmur 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 (207) 795-5784 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 Rheumatology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 04240, ME:

Does your Medicare plan cover Dr. Marmur?

Compare Plans near 04240, ME →