Doctor profile · Federal record
Dr. Andrew Chan, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA
- NPI 1982600144
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St
Boston, MA 021142621
(617) 726-3212
fax (617) 724-6832
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 4, 2010
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #210410
- Medicaid
- MA #0134031
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982600144. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
140
Distinct HCPCS
5
Medicare allowed
$13,118
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 65 | 64 | $6 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 28 | 28 | $268 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 20 | 20 | $133 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $102 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 13 | 13 | $88 |
In context: peer comparison
Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 2.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
39
Patients
39
Total drug cost
$600
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 39 | 39 | $600 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Chan's medical specialty?
Dr. Andrew Chan practices Gastroenterology Physician in Boston, MA.
Where does Dr. Andrew Chan practice?
Dr. Andrew Chan practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177263212.
What is Dr. Andrew Chan's NPI?
Dr. Andrew Chan's National Provider Identifier (NPI) is 1982600144, issued by NPPES.
Does Dr. Andrew Chan accept Medicare assignment?
Yes. Dr. Andrew Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Chan commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.