George Y Chao, MD
Endocrinology, Diabetes & Metabolism
George Y Chao is an Endocrinology, Diabetes & Metabolism specialist based in Modesto, CA with over 44 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see George Y Chao, MD in person in Modesto or via virtual visit — no travel required. A Tufts University School of Medicine graduate since 1982, he brings 44+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes.
Older · 5219dNPPES updated 2012-02-08 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Generic Rx
↑ Higher = better63.1%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-19.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
1,318
Unique beneficiaries
High volumePrescription Recipients
1,388
Patients prescribed
Prescriptions Written
17,729
Total claims
Total Medicare drug cost: $7.45M
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 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 (+31%) — 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 (+21%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+2%) — 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 (+9%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.8k received from industry
33 transactions reported in 2024 ·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 2024, attributed to George Y Chao's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1982
Tufts University School of Medicine
44 years in practice
Senior practitioner
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
Education & Training
Tufts University School of Medicine (Class of 1982)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190145
View hospital on Medicare Care CompareVirtual Endocrinology, Diabetes & Metabolism Care With George Y Chao
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with George Y Chao for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Modesto 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 George Y Chao
NPI records show Dr. Chao as active with telehealth listed in Modesto, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (209) 524-1211.
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 George Y Chao
Practice Location
600 Coffee Rd, Modesto, CA 95355-4201
Mailing Address
600 Coffee Rd, Modesto, CA 95355-4201
This is a provider directory. Contact the office directly to schedule appointments.
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