Kelly Khai Li Yap, M.D.
Internal Medicine · Medical Oncology (CMS) · South Pasadena, CA
At a glance
209 Fair Oaks Ave, South Pasadena, CA 91030-1814
NPPES record updated Nov 24, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
209 Fair Oaks AveSouth Pasadena, CA 91030-1814
Additional reported practice locations
1100 San Bernardino RoadSuite 1100
Upland, CA 917864952
Phone: 9099492242
Fax: 9099815783 301 W Huntington Dr Ste 400
Arcadia, CA 910073471
Phone: 6262189840
Fax: 6262189860
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2006
- CMS specialties
- Internal Medicine · Medical Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Glendale Mem Hospital & Hlth Center Glendale, CA
- Huntington Hospital Pasadena, CA
- Usc Arcadia Hospital Arcadia, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine · Medical Oncology (CMS)
- Taxonomy code
- 207RH0003X
- Enumeration date
- Jun 8, 2010
- Record updated
- Nov 24, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RH0003X · Primary
License reported: A122283 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
209 Fair Oaks AveSouth Pasadena, CA 91030-1814
- Phone
- (626) 396-2900
Mailing address
PO BOX 512185LOS ANGELES, CA 900510185
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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