ANGELA HSU – Gastroenterology Physician, NPI 1346773199
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,981 GASTROENTEROLOGY in CA
Provider Addresses for ANGELA HSU
333 CITY BLVD W STE 400
ORANGE, CA 928682994
Phone: (714) 456-3832
Fax: (877) 303-1460
Type: Mailing
231 OConnor Dr
San Jose, CA 951281624
Phone: (408) 347-9001
Fax: (408) 347-9004
Type: Location
MedStar Georgetown University Hospital, 3800, Reservoir Road Northwest, Burleith/Hillandale, Georgetown, Washington, Washington, D.C., 20007, United States
DEPT OF MEDICINE
WASHINGTON, DC 200072113
Phone: (202) 444-8168
Fax: (877) 303-1460
Type: Mailing
2331 MONTPELIER DR STE B
SAN JOSE, CA 951161673
Phone: (408) 347-9001
Fax: (408) 347-9004
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $779.
Total Amount is formed as General ($779) + Research ($0) + Ownership ($0) = $779.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: ABBVIE INC. ($284).
Total Amount
$779
General + Research + Ownership
Payments
24
Total payment records
General Amount
$779
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $284 |
| Janssen Biotech, Inc. | $135 |
| Regeneron Pharmaceuticals, Inc. | $133 |
| Phathom Pharmaceuticals, Inc. | $124 |
| Gilead Sciences, Inc. | $102 |
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: 2023-08-03
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 |
|---|---|---|---|---|
| I20230803002962 | I | Gastroenterology | CA | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 82 | 23 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 19 | 19 | $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 | 16 | 16 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 92868)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | MO | |
| G A S T R O E N T E R O L O G Y | CA | |
| Gastroenterology, Internal Medicine | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA |
Reviews
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