Doctor profile · Federal record
Dr. Brett Hassan, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Milford, MA
- NPI 1376679761
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
215 West St
Milford, MA 017572277
(508) 478-6366
fax (508) 473-2636 - Additional location
-
21 Eastern Ave
Worcester, MA 016053094
(508) 334-8419 - Additional location
-
28 Newton St
Southborough, MA 017721215
(508) 334-3068 - Additional location
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3068
Show 1 more location
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- April 2, 2026
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #238133
- Medicaid
- MA #110092623A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376679761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,341
Distinct HCPCS
10
Medicare allowed
$152,074
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 286 | 222 | $130 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 232 | 136 | $80 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 231 | 222 | $36 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 146 | 139 | $131 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 127 | 126 | $252 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 84 | 84 | $104 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 76 | 74 | $90 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $169 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 28 | 27 | $166 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 25 | $115 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 80. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$857
Transactions
43
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 30 | $552.61 | |
| Phathom Pharmaceuticals, Inc. | 5 | $144.14 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 3 | $64.31 | |
| PFIZER INC. | 2 | $31.76 | |
| Gilead Sciences, Inc. | 1 | $27.46 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $19.85 | |
| Lilly USA, LLC | 1 | $16.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
437
Patients
111
Total drug cost
$118,567
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 202 | 69 | $4,341 |
| Pantoprazole Sodium | Generic | 59 | 18 | $1,671 |
| Famotidine | Generic | 51 | 13 | $1,170 |
| Linzess (Linaclotide) | Brand | 42 | 11 | $45,668 |
| Creon (Lipase/Protease/Amylase) | Brand | 16 | 0 | $39,884 |
| Azathioprine | Generic | 15 | 0 | $417 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 15 | 0 | $537 |
| Dicyclomine Hcl | Generic | 14 | 0 | $736 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 12 | 0 | $17,964 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 11 | 0 | $6,178 |
Hospital affiliations
Frequently asked questions
What is Dr. Brett Hassan's medical specialty?
Dr. Brett Hassan practices Gastroenterology Physician in Milford, MA.
Where does Dr. Brett Hassan practice?
Dr. Brett Hassan practices at 215 West St, Milford, MA 017572277. Office phone: 5084786366.
What is Dr. Brett Hassan's NPI?
Dr. Brett Hassan's National Provider Identifier (NPI) is 1376679761, issued by NPPES.
Does Dr. Brett Hassan accept Medicare assignment?
Yes. Dr. Brett Hassan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brett Hassan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.