Doctor Profile

Gastroenterology · Gastroenterology

Robert J. Bierwirth

Gastroenterology
33 STANIFORD ST
Providence, RI 02905
✓ Accepts Medicare 🎓 23 Years Practicing
574
Medicare Patients / yr
14
Procedures Billed
23
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 Robert J. Bierwirth'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 Robert Bierwirth

See which plans Robert Bierwirth accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Rhode Island, the fastest way to find a Medicare plan that covers Robert Bierwirth is to compare every Medicare Advantage and Part D plan available near 02905, RI — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 02905, RI →

Or call the office at (401) 421-8800 to confirm acceptance directly.

What Robert Bierwirth Does

Robert Bierwirth served 574 Medicare patients across 624 services in the latest CMS reporting year. That's 29% above the average Gastroenterology in Rhode Island (446 patients across 49 doctors).

ProcedureServicesMedicare Patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)8986
Established patient office or other outpatient visit, 30-39 minutes (99214)7958
Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)7473
Biopsy of large bowel using a flexible endoscope (45380)7272
Established patient office or other outpatient visit, 20-29 minutes (99213)6456

How to read this: "Services" are the total times Robert Bierwirth 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

Robert Bierwirth 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.

Our Lady Of Fatima Hospital

North Providence, RI
★★★★☆ 4/5 CMS Rating

South County Hospital Inc

Wakefield, RI
★★★★☆ 4/5 CMS Rating

Roger Williams Medical Center

Providence, RI
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 33 STANIFORD ST, Providence, RI 02905
Phone: (401) 421-8800

Area Safety Grade

B-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 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

71.4712

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 02905, RI

If Robert Bierwirth isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 02905, RI:

DoctorSpecialtyMedicare Patients / yrDistance
Joseph D. PiankaGastroenterology8791.5 mi
Lisa A. MuellerGastroenterology6031.5 mi
Kevin S. PalumboGastroenterology6381.5 mi
Pranith N. PereraGastroenterology4971.5 mi
Jason D. FerreiraGastroenterology8341.5 mi
Breton N. RousselGastroenterology1131.5 mi

View all gastroenterology doctors near 02905, RI →

How to Use This Information

Choosing a Medicare plan that covers Robert Bierwirth takes three steps:

Compare Medicare Plans near 02905, RI → All Doctors near 02905, RI

Robert J. Bierwirth: Common Questions

Does Robert Bierwirth accept Medicare?
Yes. Robert Bierwirth is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Robert Bierwirth depends on that plan's provider network. Compare Medicare plans near 02905, RI →
Where is Robert Bierwirth's office?
Robert Bierwirth practices at 33 STANIFORD ST, Providence, RI 02905. Phone: (401) 421-8800.
What Medicare plans does Robert Bierwirth accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (401) 421-8800 to confirm your specific plan is accepted, or compare all Medicare plans near 02905, RI to see available options.
Does Robert Bierwirth offer telehealth visits?
CMS does not currently list Robert Bierwirth as offering telehealth. Call the office at (401) 421-8800 to confirm whether virtual visits are available.
How experienced is Robert Bierwirth?
Robert Bierwirth graduated in 2003 and has been practicing for approximately 23 years. In the latest CMS reporting year, Robert Bierwirth treated 574 Medicare patients across 14 distinct procedure types.
How do I know if Robert Bierwirth 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 (401) 421-8800 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 02905, RI:

Does your Medicare plan cover Robert Bierwirth?

Compare Plans near 02905, RI →