Kelly Khai Li Yap, M.D.
NPI 1346560786 · Hematology & Oncology Physician · South Pasadena, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelly Khai Li Yap, M.D. is a Hematology & Oncology Physician provider in South Pasadena, CA (NPI 1346560786).
Provider details
- NPI number
- 1346560786
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A122283 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,525 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 460 | $141 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 356 | $18 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 233 | $18 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 197 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $101 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 281 | 69 |
| Exemestane | 83 | 20 |
| Tamoxifen Citrate | 79 | 27 |
| Letrozole | 46 | 16 |
| Ondansetron Hcl | 46 | 27 |
| Abemaciclibbrand: Verzenio | 36 | — |
| Famotidine | 35 | 17 |
| Zolpidem Tartrate | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 301 W Huntington Dr Ste 400Arcadia, CA 91007-3471Phone: (626) 218-9840Fax: (626) 218-9860
- 1100 San Bernardino RoadSuite 1100Upland, CA 91786-4952Phone: (909) 949-2242Fax: (909) 981-5783
Registry dates
- Enumerated
- 2010-06-08
- Last updated
- 2020-11-24
- Certified
- 2020-11-24
Frequently asked questions
- What is Kelly Khai Li Yap's NPI number?
- Kelly Khai Li Yap's National Provider Identifier (NPI) is 1346560786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelly Khai Li Yap's specialty?
- Kelly Khai Li Yap is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kelly Khai Li Yap located?
- Kelly Khai Li Yap's practice location on file with NPPES is 209 Fair Oaks Ave, South Pasadena, CA 91030-1814.
- What is Kelly Khai Li Yap's phone number?
- The practice phone number listed in the NPPES registry for Kelly Khai Li Yap is (626) 396-2900.
- Does Kelly Khai Li Yap accept Medicare?
- Kelly Khai Li Yap is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelly Khai Li Yap's NPI active?
- Yes — Kelly Khai Li Yap's NPI (1346560786) is active in the NPPES registry as of the last update on 2020-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.