Doctor profile · Federal record
Dr. Vernu Visvalingam, MD
Gastroenterology Physician (CMS: Gastroenterology) · Leominster, MA
- NPI 1396700274
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
105 Erdman Way
Leominster, MA 01453
(978) 537-7552
fax (978) 537-7383 - Additional location
-
2884 Wellness Ave Ste 100
Orange City, FL 327638427
(386) 668-2221
fax (386) 668-2228
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- May 8, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Florida #ME84370
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396700274. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
849
Distinct HCPCS
10
Medicare allowed
$122,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 165 | 139 | $133 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 119 | 119 | $92 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 111 | 111 | $255 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 106 | 106 | $173 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 96 | 96 | $106 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 83 | 75 | $94 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 55 | 54 | $187 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 55 | 54 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 40 | $178 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 19 | 15 | $81 |
In context: peer comparison
Among 3 peers in Leominster Gastroenterology Physician, average services per provider: 87. This provider delivers 9.8× the peer median.Open Payments
Industry payments received
All-time total
$1,720
Transactions
83
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 23 | $439.62 | |
| Janssen Biotech, INC. | 9 | $172.65 | |
| Takeda Pharmaceuticals U.S.A., INC. | 7 | $160.89 | |
| Celgene Corporation | 8 | $144.18 | |
| Phathom Pharmaceuticals, INC. | 6 | $119.35 | |
| Aimmune Therapeutics, INC. | 5 | $111.41 | |
| Qol Medical, LLC | 5 | $107.92 | |
| Gilead Sciences, INC. | 4 | $102.52 | |
| Lilly USA, LLC | 4 | $89.79 | |
| Ardelyx, INC. | 3 | $68.88 | |
| Celltrion USA INC. | 3 | $67.25 | |
| Fresenius Kabi USA, LLC | 3 | $62.84 | |
| Madrigal Pharmaceuticals | 1 | $23.89 | |
| Braintree Laboratories, INC. | 1 | $19.33 | |
| Organon LLC | 1 | $14.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
612
Patients
281
Total drug cost
$74,372
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 150 | 59 | $4,028 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 78 | 76 | $11,532 |
| Dicyclomine Hcl | Generic | 76 | 30 | $1,555 |
| Pantoprazole Sodium | Generic | 52 | 23 | $1,183 |
| Colestipol Hcl | Generic | 50 | 22 | $4,218 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 45 | 43 | $799 |
| Linzess (Linaclotide) | Brand | 31 | 11 | $23,195 |
| Famotidine | Generic | 22 | 0 | $363 |
| Sucralfate | Generic | 22 | 0 | $407 |
| Mesalamine | Generic | 17 | 0 | $11,034 |
Hospital affiliations
Frequently asked questions
What is Dr. Vernu Visvalingam's medical specialty?
Dr. Vernu Visvalingam practices Gastroenterology Physician in Leominster, MA.
Where does Dr. Vernu Visvalingam practice?
Dr. Vernu Visvalingam practices at 105 Erdman Way, Leominster, MA 01453. Office phone: 9785377552.
What is Dr. Vernu Visvalingam's NPI?
Dr. Vernu Visvalingam's National Provider Identifier (NPI) is 1396700274, issued by NPPES.
Does Dr. Vernu Visvalingam accept Medicare assignment?
Yes. Dr. Vernu Visvalingam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vernu Visvalingam commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.