Edward Chih-Yu Sun, MD
Orthopaedic Surgery of the Spine
Edward Chih-Yu Sun is an Orthopaedic Surgery of the Spine specialist based in San Mateo, CA with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Edward Chih-Yu Sun, MD has been part of the San Mateo medical community since 2006 in group practice. A Harvard Medical School graduate since 1996, he brings 30+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 100/100 (2023).
At a glance
- Federal MIPS score higher than 93% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 5366dNPPES updated 2011-09-13 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
359 N San Mateo Dr Suite 1, San Mateo, CA 94401-2560
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 93% of doctors in California on federal quality measures.
MIPS Score
2023100/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+16.4 pts)
Top 7% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better52.48%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+47.4 pts)
52.48% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
379
Unique beneficiaries
Standard volumePrescription Recipients
101
Patients prescribed
Prescriptions Written
242
Total claims
Total Medicare drug cost: $3k
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 Arthritis.
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
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+21%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-9%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+6%) — 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 (-10%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-13%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$117 received from industry
2 transactions 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 Edward Chih-Yu Sun's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
Harvard Medical School
30 years in practice
Senior practitioner
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Taxonomy: 207XS0117X
Education & Training
Harvard Medical School (Class of 1996)
Primary hospital affiliation: Psychiatric
CMS Certification Number: 184014
View hospital on Medicare Care CompareVirtual Orthopaedic Surgery of the Spine Care With Edward Chih-Yu Sun
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Edward Chih-Yu Sun for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to San Mateo 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 Edward Chih-Yu Sun
Dr. Sun is listed as active in the NPI registry with telehealth listed in San Mateo, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 685-7100.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Edward Chih-Yu Sun
Practice Location
359 N San Mateo Dr Suite 1, San Mateo, CA 94401-2560
Mailing Address
359 N San Mateo Dr Suite 1, San Mateo, CA 94401-2560
This is a provider directory. Contact the office directly to schedule appointments.
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