Kelly Khai Li Yap, M.D.
Also practices: INTERNAL MEDICINE
Kelly Khai Li Yap, M.D. practices as part of a group hematology & oncology specialist practice in South Pasadena, CA. She has been practicing since 2010 — over 20 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and cancer.
At a glance
- Prescribes opioids less than 34% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1989dNPPES updated 2020-11-24 · verify on CMS
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better2.53%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.6 pts)
2.53% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
442
Unique beneficiaries
Standard volumePrescription Recipients
158
Patients prescribed
Prescriptions Written
990
Total claims
Total Medicare drug cost: $1.80M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+44%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+7%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+18%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$22 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Kelly Khai Li Yap's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Nov 23, 2020
CMS-verified certification date
20 years in practice
Experienced
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Mailing address
Po Box 512185, Los Angeles, CA 90051-0185
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190300
View hospital on Medicare Care CompareVirtual Hematology & Oncology Care With Kelly Khai Li Yap
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Kelly Khai Li Yap for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to South Pasadena required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Kelly Khai Li Yap
NPI records show Dr. Yap as active with telehealth listed in South Pasadena, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 396-2900.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Kelly Khai Li Yap
Practice Location
209 Fair Oaks Ave, South Pasadena, CA 91030-1814
Mailing Address
Po Box 512185, Los Angeles, CA 90051-0185
This is a provider directory. Contact the office directly to schedule appointments.
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