Doctor profile · Federal record
Dr. Jennifer Lewis, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Internal Medicine Physician · Gastroenterology Physician · Somersworth, NH
- NPI 1003075771
- Accepts Medicare
- MIPS 57.0 / 100 · 2023
- 18 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
21 Clark Way
Somersworth, NH 038784401
(603) 692-2228
fax (603) 692-4748 - Additional location
-
22 Bramhall St
Portland, ME 041023134
(207) 662-4618
fax (207) 662-6254
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- New Hampshire #18257 · Maine #018816
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003075771. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,189
Distinct HCPCS
10
Medicare allowed
$139,352
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 178 | 140 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 148 | 126 | $87 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 145 | 144 | $76 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 126 | 123 | $240 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 124 | 100 | $78 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 98 | 92 | $74 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 69 | 67 | $127 | |
J7050 |
Infusion, normal saline solution, 250 cc | 43 | 20 | $1 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 40 | 36 | $91 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $157 |
In context: peer comparison
Among 2 peers in Somersworth Gastroenterology Physician, average services per provider: 357. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$243
Transactions
12
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 5 | $106.47 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $53.11 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $35.69 | |
| Janssen Biotech, INC. | 1 | $31.44 | |
| Genzyme Corporation | 1 | $16.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
859
Patients
209
Total drug cost
$444,225
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 320 | 89 | $5,299 |
| Pantoprazole Sodium | Generic | 156 | 44 | $3,713 |
| Famotidine | Generic | 142 | 47 | $1,507 |
| Dicyclomine Hcl | Generic | 70 | 18 | $1,518 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 42 | 0 | $20,340 |
| Esomeprazole Magnesium | Generic | 35 | 11 | $3,146 |
| Lubiprostone | Generic | 22 | 0 | $4,825 |
| Ondansetron Hcl | Generic | 22 | 0 | $372 |
| Stelara (Ustekinumab) | Brand | 14 | 0 | $386,955 |
| Mesalamine | Generic | 13 | 0 | $8,077 |
Hospital affiliations
Frequently asked questions
What is Dr. Jennifer Lewis's medical specialty?
Dr. Jennifer Lewis practices Gastroenterology Physician in Somersworth, NH.
Where does Dr. Jennifer Lewis practice?
Dr. Jennifer Lewis practices at 21 Clark Way, Somersworth, NH 038784401. Office phone: 6036922228.
What is Dr. Jennifer Lewis's NPI?
Dr. Jennifer Lewis's National Provider Identifier (NPI) is 1003075771, issued by NPPES.
Does Dr. Jennifer Lewis accept Medicare assignment?
Yes. Dr. Jennifer Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Lewis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.