Yien Chiong, M.D
Endocrinology, Diabetes & Metabolism
Yien Chiong is an Endocrinology, Diabetes & Metabolism specialist based in Springfield, OR with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Yien Chiong, M.D specializes in internal medicine, serving patients in Springfield, OR in group practice. She has been practicing since 2009 — over 17 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and diabetes. CMS MIPS quality score: 95.93/100 (2023).
At a glance
- Federal MIPS score higher than 62% of MIPS-scored doctors in Oregon
- Virtual visits available — no app or travel required
Older · 246dNPPES updated 2025-09-20 · verify NPI on CMS · Verify license at Oregon Medical Board
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Oregon.
MIPS Score
202395.93/100
Oregon avg: 89.5 · US avg: 83.6
✓ Higher than most doctors nationally(+12.3 pts)
Average range among MIPS-scored doctors in OregonHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better53.4%
Oregon avg: 83.7 · US avg: 82.8
⚠ Lower than most doctors nationally(-29.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
239
Unique beneficiaries
Standard volumePrescription Recipients
567
Patients prescribed
Prescriptions Written
3,017
Total claims
Total Medicare drug cost: $1.71M
Percentile rankings compared against 1,341 reporting peers in Oregon.
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 Diabetes.
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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+29%) — 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 (+13%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-6%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
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 (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$51 received from industry
4 transactions reported in 2018 ·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 2018, attributed to Yien Chiong's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 19, 2025
Self-reported via NPPES
17 years in practice
Experienced
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Mailing address
Po Box 1648, Eugene, OR 97440-1648
Differs from practice location
Virtual Endocrinology, Diabetes & Metabolism Care With Yien Chiong
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Yien Chiong for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Springfield 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 Yien Chiong
NPI records show Dr. Chiong as active with telehealth listed in Springfield, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (541) 741-0387.
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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Contact Yien Chiong
Practice Location
1007 Harlow Rd Ste 210, Springfield, OR 97477-7126
Mailing Address
Po Box 1648, Eugene, OR 97440-1648
This is a provider directory. Contact the office directly to schedule appointments.
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