Helen K Chen, MD
With over 37 years in radiology, Helen K Chen, MD is a long-established radiation oncology radiology specialist in South Pasadena. She graduated from University of California, San Francisco School of Medicine in 1989 and has 37+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and cancer (per CMS claims data). CMS MIPS quality score: 99.13/100 (2023).
At a glance
- Federal MIPS score higher than 89% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 1990dNPPES updated 2020-11-23 · verify on CMS
Contact & Location
Practice Location
209 Fair Oaks Ave, South Pasadena, CA 91030-1814
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 89% of doctors in California on federal quality measures.
MIPS Score
202399.13/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+15.5 pts)
Better than 89% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
153
Unique beneficiaries
Standard volumePrescription Recipients
36
Patients prescribed
Prescriptions Written
103
Total claims
Total Medicare drug cost: $11k
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 (+54%) — 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%↓ Fewer patients than average (-3%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-10%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$715 received from industry
7 transactions reported in 2018 ·Moderate 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 2018, attributed to Helen K Chen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1989
University of California, San Francisco School of Medicine
Board certified · Nov 22, 2020
CMS-verified certification date
37 years in practice
Senior practitioner
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Taxonomy: 2085R0001X
Education & Training
University of California, San Francisco School of Medicine (Class of 1989)
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 Radiation Oncology Care With Helen K Chen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Helen K Chen 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 Helen K Chen
NPI records show Dr. Chen 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 QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Helen K Chen
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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