DR. SAMUEL WAI-KEE JR. CHUNG (M.D.) – Hematology & Oncology Physician, NPI 1609057157
Hematology & Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
550 MEDICAL ONCOLOGY in CA
Provider Addresses for DR. SAMUEL WAI-KEE JR. CHUNG (M.D.)
301 W Huntington Dr Ste 400
Arcadia, CA 910073471
Phone: (626) 218-9840
Fax: (626) 218-9860
Type: Location
Box, Lago del Salado, Los Angeles, San Nicolás de los Garza, Nuevo León, 66477, Mexico
LOS ANGELES, CA 900510185
Phone: (626) 775-3514
Fax: (626) 218-5310
Type: Mailing
209, Fair Oaks Avenue, Raymond Hill, South Pasadena, Los Angeles County, California, 91030, United States
SOUTH PASADENA, CA 91030
Phone: (626) 396-2900
Fax: (626) 799-2889
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $248.
Total Amount is formed as General ($248) + Research ($0) + Ownership ($0) = $248.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($74).
Total Amount
$248
General + Research + Ownership
Payments
12
Total payment records
General Amount
$248
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2011-09-21
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 |
|---|---|---|---|---|
| I20110921000533 | I | Medical 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 |
|---|---|---|---|---|
| J9271 | Injection, pembrolizumab, 1 mg | 16,600 | 13 | $0 |
| J9263 | Injection, oxaliplatin, 0.5 mg | 15,600 | 15 | $0 |
| J9267 | Injection, paclitaxel, 1 mg | 12,756 | 14 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 12,350 | 28 | $0 |
| J0897 | Injection, denosumab, 1 mg | 2,820 | 28 | $0 |
Insurance plans in this area (ZIP 91007)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | CA | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 227 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | CA | |
| P A T H O L O G Y | CA | |
| Diagnostic Radiology | CA | |
| Radiation Oncology | OH | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Physician Assistant | NY | |
| - | CA | |
| Infectious Disease | CA | |
| Hematology/Oncology, Pediatric Medicine | CA |
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