KELLY KHAI LI YAP (M.D.) – Hematology & Oncology Physician, NPI 1346560786
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
550 MEDICAL ONCOLOGY in CA
Provider Addresses for KELLY KHAI LI YAP (M.D.)
1100 San Bernardino Road
Suite 1100
Upland, CA 917864952
Phone: (909) 949-2242
Fax: (909) 981-5783
Type: Location
301 W Huntington Dr Ste 400
Arcadia, CA 910073471
Phone: (626) 218-9840
Fax: (626) 218-9860
Type: Location
PO BOX 512185
LOS ANGELES, CA 900510185
Phone:
Type: Mailing
209 FAIR OAKS AVE
SOUTH PASADENA, CA 910301814
Phone: (626) 396-2900
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $344.
Total Amount is formed as General ($344) + Research ($0) + Ownership ($0) = $344.
Last reported payment date: 2024-04-24 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($299).
Total Amount
$344
General + Research + Ownership
Payments
5
Total payment records
General Amount
$344
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $299 |
| Daiichi Sankyo Inc. | $23 |
| AstraZeneca Pharmaceuticals LP | $22 |
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: 2016-08-29
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 |
|---|---|---|---|---|
| I20160829000400 | 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 |
|---|---|---|---|---|
| J9263 | Injection, oxaliplatin, 0.5 mg | 17,280 | 21 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 11,180 | 35 | $0 |
| J9267 | Injection, paclitaxel, 1 mg | 7,026 | 12 | $0 |
| J0897 | Injection, denosumab, 1 mg | 4,200 | 46 | $0 |
| J2405 | Injection, ondansetron hydrochloride, per 1 mg | 2,168 | 49 | $0 |
Insurance plans in this area (ZIP 91786)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Nurse Practitioner | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| Endocrinology, Internal Medicine | CA | |
| General Surgery | CA | |
| Certified Registered Nurse Anesthetist (Crna) | PA |
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