Doctor profile · Federal record
Dr. James Connolly, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Hospitalist Physician · Student in an Organized Health Care Education/Training Program · North Chelmsford, MA
- NPI 1609255223
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
20 Research Pl Ste 220
North Chelmsford, MA 018632455
(978) 459-6737
fax (855) 818-1869 - Additional location
-
20 York St, Cb-2041, Yale-New Haven Hospital
New Haven, CT 06510
(203) 688-4748
fax (203) 688-4740 - Additional location
-
950 Campbell Ave # 11Acsl1, VA Connecticut Healthcare System
West Haven, CT 065162770
(203) 688-8300 - Additional location
-
650 Albany Street, 5Th Floor, Rm 504, Evans Biomedical Research Center Bldg.
Boston, MA 02118
(617) 638-8330 - Mailing address
-
650 Albany Street, 5Th Floor, Rm 504, Evans Biomedical Research Center Bldg.
Boston, MA 02118
Show 1 more location
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- June 15, 2022
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Massachusetts #291075 · Connecticut #61607
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609255223. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
443
Distinct HCPCS
10
Medicare allowed
$72,879
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 75 | 56 | $140 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 71 | 71 | $259 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 68 | $176 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 46 | 37 | $123 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 45 | 45 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 37 | 37 | $182 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 28 | 28 | $107 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 24 | 23 | $120 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 22 | 22 | $174 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 15 | 15 | $176 |
In context: peer comparison
Among 3 peers in North Chelmsford Gastroenterology Physician, average services per provider: 48. This provider delivers 9.2× the peer median.Open Payments
Industry payments received
All-time total
$1,177
Transactions
44
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 13 | $236.30 | |
| Janssen Biotech, INC. | 6 | $217.29 | |
| Celltrion USA INC. | 1 | $127.40 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $124.75 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $70.18 | |
| Celgene Corporation | 2 | $56.88 | |
| Pfizer INC. | 2 | $50.46 | |
| Regeneron Healthcare Solutions, INC. | 3 | $48.12 | |
| Aimmune Therapeutics, INC. | 2 | $47.82 | |
| Gilead Sciences, INC. | 2 | $36.07 | |
| Phathom Pharmaceuticals, INC. | 2 | $32.34 | |
| Organon LLC | 1 | $27.15 | |
| Ferring Pharmaceuticals INC. | 1 | $25.66 | |
| Genzyme Corporation | 1 | $24.11 | |
| Daiichi Sankyo INC. | 1 | $19.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
220
Patients
134
Total drug cost
$16,450
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 76 | 74 | $12,900 |
| Omeprazole | Generic | 62 | 28 | $1,142 |
| Famotidine | Generic | 45 | 16 | $755 |
| Pantoprazole Sodium | Generic | 21 | 0 | $446 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 16 | 16 | $1,207 |
Frequently asked questions
What is Dr. James Connolly's medical specialty?
Dr. James Connolly practices Gastroenterology Physician in North Chelmsford, MA.
Where does Dr. James Connolly practice?
Dr. James Connolly practices at 20 Research Pl Ste 220, North Chelmsford, MA 018632455. Office phone: 9784596737.
What is Dr. James Connolly's NPI?
Dr. James Connolly's National Provider Identifier (NPI) is 1609255223, issued by NPPES.
Does Dr. James Connolly accept Medicare assignment?
Yes. Dr. James Connolly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Connolly commonly perform?
Top Medicare-reported procedures in 2023: 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.