Doctor profile · Federal record
Dr. Roger Epstein, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Somersworth, NH
- NPI 1821095183
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
21 Clark Way
Somersworth, NH 038784401
(603) 692-2228
fax (603) 692-0418 - Mailing address
-
330 Borthwick Ave, Ste 300
Portsmouth, NH 038017109
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 2, 2008
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Hampshire #6987
- Medicaid
- NH #30002417
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821095183. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13,091
Distinct HCPCS
10
Medicare allowed
$439,544
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 11,400 | 18 | $22 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 442 | 318 | $89 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 257 | 256 | $243 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 168 | 141 | $123 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 168 | 168 | $5 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 93 | 90 | $90 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 73 | 73 | $110 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 65 | 65 | $175 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 55 | 55 | $139 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 54 | 48 | $56 |
In context: peer comparison
Among 2 peers in Somersworth Gastroenterology Physician, average services per provider: 357. This provider delivers 37× the peer median.Open Payments
Industry payments received
All-time total
$980
Transactions
41
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 13 | $329.26 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 6 | $112.87 | |
| Daiichi Sankyo INC. | 2 | $55.79 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $55.28 | |
| Intercept Pharmaceuticals, INC. | 2 | $52.84 | |
| Genzyme Corporation | 3 | $52.12 | |
| Janssen Biotech, INC. | 2 | $51.80 | |
| Gilead Sciences, INC. | 2 | $50.31 | |
| Celltrion USA INC. | 3 | $49.40 | |
| Digestive Care, INC. | 1 | $38.37 | |
| Lilly USA, LLC | 1 | $30.54 | |
| Ironwood Pharmaceuticals, INC | 1 | $24.36 | |
| Merck Sharp & Dohme LLC | 1 | $20.66 | |
| Celgene Corporation | 1 | $19.85 | |
| Ferring Pharmaceuticals INC. | 1 | $19.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
876
Patients
209
Total drug cost
$742,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 242 | 75 | $5,116 |
| Omeprazole | Generic | 206 | 69 | $2,928 |
| Esomeprazole Magnesium | Generic | 116 | 29 | $6,230 |
| Mesalamine | Generic | 60 | 12 | $47,965 |
| Famotidine | Generic | 39 | 13 | $794 |
| Amitriptyline Hcl | Generic | 26 | 0 | $597 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 25 | 0 | $558 |
| Ursodiol | Generic | 25 | 0 | $3,979 |
| Azathioprine | Generic | 23 | 0 | $1,288 |
| Stelara (Ustekinumab) | Brand | 23 | 0 | $580,450 |
Hospital affiliations
Frequently asked questions
What is Dr. Roger Epstein's medical specialty?
Dr. Roger Epstein practices Gastroenterology Physician in Somersworth, NH.
Where does Dr. Roger Epstein practice?
Dr. Roger Epstein practices at 21 Clark Way, Somersworth, NH 038784401. Office phone: 6036922228.
What is Dr. Roger Epstein's NPI?
Dr. Roger Epstein's National Provider Identifier (NPI) is 1821095183, issued by NPPES.
Does Dr. Roger Epstein accept Medicare assignment?
Yes. Dr. Roger Epstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Epstein commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.