Doctor profile · Federal record
Dr. David Barenberg, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Danbury, CT
- NPI 1548297633
- Accepts Medicare
- MIPS 89.1 / 100 · 2023
- 46 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2 Hospital Ave
Danbury, CT 068105950
(203) 790-9551
fax (203) 778-9961
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Connecticut #30351 · New York #148974
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548297633. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
581
Distinct HCPCS
9
Medicare allowed
$84,602
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 226 | 163 | $137 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 108 | 108 | $80 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 80 | 79 | $267 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 62 | 61 | $111 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $178 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 27 | 27 | $195 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 25 | 25 | $120 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 12 | 12 | $186 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $97 |
In context: peer comparison
Among 6 peers in Danbury Gastroenterology Physician, average services per provider: 50. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,001
Patients
321
Total drug cost
$80,594
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 370 | 142 | $8,655 |
| Pantoprazole Sodium | Generic | 272 | 95 | $5,052 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 49 | 49 | $3,854 |
| Omeprazole | Generic | 44 | 17 | $832 |
| Sucralfate | Generic | 34 | 0 | $3,542 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 32 | 0 | $2,292 |
| Mesalamine | Generic | 28 | 0 | $15,505 |
| Rabeprazole Sodium | Generic | 26 | 0 | $1,005 |
| Esomeprazole Magnesium | Generic | 25 | 0 | $1,124 |
| Linzess (Linaclotide) | Brand | 24 | 0 | $21,059 |
Hospital affiliations
Frequently asked questions
What is Dr. David Barenberg's medical specialty?
Dr. David Barenberg practices Gastroenterology Physician in Danbury, CT.
Where does Dr. David Barenberg practice?
Dr. David Barenberg practices at 2 Hospital Ave, Danbury, CT 068105950. Office phone: 2037909551.
What is Dr. David Barenberg's NPI?
Dr. David Barenberg's National Provider Identifier (NPI) is 1548297633, issued by NPPES.
Does Dr. David Barenberg accept Medicare assignment?
Yes. Dr. David Barenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Barenberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.