Physician Profile
Unclaimed ProfileAbout BIERWIRTH
Based in Cranston, RI, Robert John Bierwirth, M.D. is listed in the NPI registry under gastroenterology. Robert is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Bierwirth?
Dr. Bierwirth is a gastroenterology in Cranston, RI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Bierwirth's address?
Dr. Bierwirth is listed at 1150 RESERVOIR AVE SUITE 201, Cranston, RI 02920. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Bierwirth?
The number on file is (401) 943-1300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Bierwirth?
Dr. Bierwirth's National Provider Identifier is 1053517565. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Bierwirth train?
Dr. Bierwirth attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Bierwirth have?
Dr. Bierwirth has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Bierwirth perform?
According to Medicare billing data, Dr. Bierwirth performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Bierwirth's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bierwirth. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (401) 943-1300
- Email not available
Practice Locations
1150 RESERVOIR AVE SUITE 201
Cranston, RI 02920
Procedures Most Often Billed to Medicare
557 services · 515 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
109 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
59 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
53 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
21 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
16 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
106 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
60 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other gastroenterology specialists in Cranston 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in RI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.