ANDREW J. HSU (M.D.) – Gastroenterology Physician, NPI 1003270471
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
828 GASTROENTEROLOGY in MA
Provider Addresses for ANDREW J. HSU (M.D.)
55 LAKE AVE N
WORCESTER, MA 016550002
Phone: (508) 334-1000
Type: Location
155 FORE RIVER PKWY
PORTLAND, ME 041022795
Phone:
Type: Mailing
1 MEDICAL CENTER DR
LEBANON, NH 037561000
Phone: (603) 650-5000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $170.
Total Amount is formed as General ($170) + Research ($0) + Ownership ($0) = $170.
Last reported payment date: 2024-02-21 • Largest payer in this snapshot: Boston Scientific Corporation ($135).
Total Amount
$170
General + Research + Ownership
Payments
2
Total payment records
General Amount
$170
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $135 |
| Stryker Corporation | $35 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-06-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230607002543 | I | Gastroenterology | ME | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 77 | 77 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 44 | 42 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 36 | 36 | $0 |
| 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 | $0 |
Insurance plans in this area (ZIP 01655)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ME | |
| H O S P I T A L I S T | ME | |
| - | VT | |
| - | ME | |
| Nurse Practitioner | PA | |
| - | ME | |
| Physician Assistant | ME | |
| Family Practice | ME | |
| - | ME | |
| Nurse Practitioner | NY |
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