DR. DAVID I-FENG HSU (MD) – Radiation Oncology Physician, NPI 1619983343
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
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Provider Addresses for DR. DAVID I-FENG HSU (MD)
605, North Garfield Avenue, Monterey Park, Los Angeles County, California, 91754, United States
MONTEREY PARK, CA 917541102
Phone: (626) 571-6100
Fax: (626) 571-6101
Mailing address matches the actual address.
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 $136.
Total Amount is formed as General ($136) + Research ($0) + Ownership ($0) = $136.
Last reported payment date: 2024-07-29 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($103).
Total Amount
$136
General + Research + Ownership
Payments
2
Total payment records
General Amount
$136
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $103 |
| Lilly USA, LLC | $33 |
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: 2004-10-01
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 |
|---|---|---|---|---|
| I20041001000990 | I | Radiation Oncology | 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 |
|---|---|---|---|---|
| 77280 | Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 2,346 | 179 | $0 |
| 0394T | High dose rate electronic brachytherapy, external | 2,249 | 162 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 86 | 58 | $0 |
| 77290 | Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 81 | 67 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 79 | 79 | $0 |
Insurance plans in this area (ZIP 91754)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| D E R M A T O L O G Y | CA | |
| Physician Assistant | CA | |
| Nurse Practitioner | CA | |
| Micrographic Dermatologic Surgery (Mds), Dermatology | CA |
Reviews
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