Doctor profile · Federal record
Dr. Robert Bierwirth, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Hepatology Physician · Cranston, RI
- NPI 1053517565
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1150 Reservoir Ave, Suite 201
Cranston, RI 029206068
(401) 943-1300 - Mailing address
-
Po Box 202230
Dallas, TX 753202230
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- October 15, 2025
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Rhode Island #13848
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053517565. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
624
Distinct HCPCS
10
Medicare allowed
$86,699
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 89 | 86 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 79 | 58 | $130 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 74 | 73 | $251 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 72 | 72 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 64 | 56 | $91 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 54 | $175 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 26 | $80 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 36 | 36 | $181 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 31 | 30 | $171 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 23 | 20 | $145 |
In context: peer comparison
Among 1 peers in Cranston Gastroenterology Physician, average services per provider: 44. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$129,131
Transactions
336
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 57 | $50,135.29 | |
| Phathom Pharmaceuticals, INC. | 76 | $45,703.10 | |
| Madrigal Pharmaceuticals | 23 | $16,657.71 | |
| Gilead Sciences, INC. | 22 | $13,776.50 | |
| Abbvie INC. | 76 | $1,208.07 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 19 | $359.28 | |
| Takeda Pharmaceuticals U.S.A., INC. | 20 | $353.41 | |
| Pfizer INC. | 21 | $281.06 | |
| Intercept Pharmaceuticals, INC. | 6 | $122.80 | |
| Lilly USA, LLC | 5 | $116.82 | |
| Boston Scientific Corporation | 1 | $101.06 | |
| Vertex Pharmaceuticals Incorporated | 4 | $77.49 | |
| Ardelyx, INC. | 3 | $70.47 | |
| Qol Medical, LLC | 1 | $43.90 | |
| Celgene Corporation | 2 | $43.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,207
Patients
245
Total drug cost
$341,432
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 349 | 93 | $5,261 |
| Famotidine | Generic | 294 | 66 | $4,474 |
| Omeprazole | Generic | 131 | 40 | $2,435 |
| Linzess (Linaclotide) | Brand | 99 | 18 | $67,096 |
| Motegrity (Prucalopride Succinate) | Brand | 49 | 0 | $24,799 |
| Dicyclomine Hcl | Generic | 45 | 0 | $1,324 |
| Creon (Lipase/Protease/Amylase) | Brand | 37 | 0 | $117,394 |
| Sucralfate | Generic | 33 | 0 | $4,085 |
| Esomeprazole Magnesium | Generic | 32 | 0 | $1,746 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 28 | 28 | $4,111 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Bierwirth's medical specialty?
Dr. Robert Bierwirth practices Gastroenterology Physician in Cranston, RI.
Where does Dr. Robert Bierwirth practice?
Dr. Robert Bierwirth practices at 1150 Reservoir Ave, Cranston, RI 029206068. Office phone: 4019431300.
What is Dr. Robert Bierwirth's NPI?
Dr. Robert Bierwirth's National Provider Identifier (NPI) is 1053517565, issued by NPPES.
Does Dr. Robert Bierwirth accept Medicare assignment?
Yes. Dr. Robert Bierwirth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Bierwirth commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.