Sumit Nikunj Ringwala, M.D.
Cardiovascular Disease (Cardiology) · Interventional Cardiology (CMS) · Green Bay, WI
At a glance
744 S Webster Ave Fl 2, Green Bay, WI 54301-3505
Published activity: Coronary angioplasty and stenting · Leg revascularization (restoring blood flow). View counts and coverage
NPPES record updated Nov 3, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
744 S Webster Ave Fl 2Green Bay, WI 54301-3505
Additional reported practice locations
1721 S Stephenson AveIron Mountain, MI 498013637
Phone: 9067741313 2700 W 9Th Ave
Suite 106
Oshkosh, WI 549047247
Phone: 9202361741
Education & affiliations
- Medical / professional school
- University Of Wisconsin School Of Medicine
- Graduation year
- 2000
- CMS specialties
- Cardiovascular Disease (Cardiology) · Interventional Cardiology
Practice groups
Reported hospital affiliations
- Bellin Health Oconto Hospital Oconto, WI
- Bellin Memorial Hospital Green Bay, WI
- Osf St Francis Hospital And Medical Group Escanaba, MI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Coronary angioplasty and stenting | 20 |
| Leg revascularization (restoring blood flow) | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Consulting fee | $3,150.00 |
| Travel and lodging | $734.75 |
| Food and beverage | $406.10 |
Reporting companies
| Company | Amount |
|---|---|
| STRYKER CORPORATION | $3,239.92 |
| BOSTON SCIENTIFIC CORPORATION | $971.83 |
| SURMODICS, INC. | $25.52 |
| ASTRAZENECA PHARMACEUTICALS LP | $22.08 |
| INARI MEDICAL, INC. | $17.32 |
| W. L. GORE & ASSOCIATES, INC. | $14.18 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Cardiovascular Disease (Cardiology) · Interventional Cardiology (CMS)
- Taxonomy code
- 207RI0011X
- Enumeration date
- Feb 12, 2007
- Record updated
- Nov 3, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 5025320 WI
207RC0000X
License reported: 5025320 WI
207RI0011X · Primary
License reported: 502530-020 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
744 S Webster Ave Fl 2Green Bay, WI 54301-3505
- Phone
- (920) 433-3640
- Fax
- (920) 433-3716
Mailing address
PO BOX 22487GREEN BAY, WI 543052487
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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