Doctor profile · Federal record
Dr. Andrew Hsu, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Portland, ME
- NPI 1003270471
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
155 Fore River Pkwy
Portland, ME 041022795
(207) 535-1100
fax (207) 879-8787
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- August 23, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Maine #MD27103 · New Hampshire #22622
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003270471. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
190
Distinct HCPCS
4
Medicare allowed
$24,790
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 77 | 77 | $230 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 44 | 42 | $78 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 36 | 36 | $97 | |
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 | 33 | 33 | $5 |
In context: peer comparison
Among 14 peers in Portland Gastroenterology Physician, average services per provider: 56. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $35.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
46
Patients
31
Total drug cost
$978
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 25 | 16 | $670 |
| Pantoprazole Sodium | Generic | 21 | 15 | $308 |
Frequently asked questions
What is Dr. Andrew Hsu's medical specialty?
Dr. Andrew Hsu practices Gastroenterology Physician in Portland, ME.
Where does Dr. Andrew Hsu practice?
Dr. Andrew Hsu practices at 155 Fore River Pkwy, Portland, ME 041022795. Office phone: 2075351100.
What is Dr. Andrew Hsu's NPI?
Dr. Andrew Hsu's National Provider Identifier (NPI) is 1003270471, issued by NPPES.
Does Dr. Andrew Hsu accept Medicare assignment?
Yes. Dr. Andrew Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Hsu commonly perform?
Top Medicare-reported procedures in 2023: 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); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.