Doctor profile · Federal record
Dr. Gary Lopes, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA
- NPI 1285765149
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 Brookline Ave
Boston, MA 022153904
(617) 421-1091
fax (617) 421-2555
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- February 19, 2021
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #60604
- Medicaid
- MA #3048632
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285765149. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
199
Distinct HCPCS
9
Medicare allowed
$27,945
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 34 | 33 | $184 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 32 | 32 | $122 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 32 | 32 | $256 | |
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 | 27 | 27 | $6 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 21 | 21 | $123 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 12 | $153 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $142 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 12 | 11 | $126 |
In context: peer comparison
Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
237
Patients
199
Total drug cost
$21,925
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 112 | 109 | $10,544 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 50 | 49 | $9,595 |
| Omeprazole | Generic | 32 | 16 | $756 |
| Pantoprazole Sodium | Generic | 28 | 11 | $470 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 15 | 14 | $561 |
Frequently asked questions
What is Dr. Gary Lopes's medical specialty?
Dr. Gary Lopes practices Gastroenterology Physician in Boston, MA.
Where does Dr. Gary Lopes practice?
Dr. Gary Lopes practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174211091.
What is Dr. Gary Lopes's NPI?
Dr. Gary Lopes's National Provider Identifier (NPI) is 1285765149, issued by NPPES.
Does Dr. Gary Lopes accept Medicare assignment?
Yes. Dr. Gary Lopes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Lopes commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); 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.