DR. ROBERT JOHN BIERWIRTH (M.D.) – Gastroenterology Physician, NPI 1053517565
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
129 GASTROENTEROLOGY in RI
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Provider Addresses for DR. ROBERT JOHN BIERWIRTH (M.D.)
1150, Reservoir Avenue, Cranston, Providence County, Rhode Island, 02920, United States
SUITE 201
CRANSTON, RI 029206068
Phone: (401) 943-1300
Type: Mailing
PO BOX 202230
DALLAS, TX 753202230
Phone: (401) 943-1300
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 572 Open Payments records for all available years, with a total value of $169,492.
Total Amount is formed as General ($169,492) + Research ($0) + Ownership ($0) = $169,492.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: Janssen Biotech, Inc. ($76,730).
Total Amount
$169,492
General + Research + Ownership
Payments
572
Total payment records
General Amount
$169,492
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $76,730 |
| Phathom Pharmaceuticals, Inc. | $45,703 |
| Gilead Sciences, Inc. | $24,539 |
| Madrigal Pharmaceuticals | $16,658 |
| ABBVIE INC. | $2,422 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-07-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120730000262 | I | Gastroenterology | RI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 89 | 86 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 79 | 58 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 74 | 73 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 72 | 72 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 64 | 56 | $0 |
Insurance plans in this area (ZIP 02920)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | RI | |
| G A S T R O E N T E R O L O G Y | RI | |
| Nurse Practitioner | RI | |
| G A S T R O E N T E R O L O G Y | RI | |
| Certified Registered Nurse Anesthetist (Crna) | RI | |
| Certified Registered Nurse Anesthetist (Crna) | RI | |
| Certified Registered Nurse Anesthetist (Crna) | RI | |
| Physician Assistant | RI | |
| Physician Assistant | CA | |
| G A S T R O E N T E R O L O G Y | NH |
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