Alvin Chang, M.D.
Geriatric Medicine Internal Medicine
With over 32 years in internal medicine, Alvin Chang, M.D. is a long-established geriatrician in Tustin. A University of California, Geffen School of Medicine graduate since 1994, he brings 32+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and diabetes (per CMS claims data).
At a glance
- Uses generic medications more than 33% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 3516dNPPES updated 2016-09-19 · verify on CMS
Contact & Location
Practice Location
1101 Bryan Ave Suite E, Tustin, CA 92780-4401
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 (+2%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+2%) — 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 (+3%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-12%) — less common here
Progressive brain disorders causing memory loss and cognitive decline
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%A serious mental disorder affecting thinking, emotions, and behavior
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1994
University of California, Geffen School of Medicine
32 years in practice
Senior practitioner
Geriatricians specialize in healthcare for older adults, managing multiple chronic conditions, medication interactions, cognitive decline, falls prevention, and end-of-life care planning.
Taxonomy: 207RG0300X
Education & Training
University of California, Geffen School of Medicine (Class of 1994)
Virtual Geriatric Medicine Care With Alvin Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Alvin Chang for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Tustin required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Alvin Chang
Dr. Chang is listed as active in the NPI registry with telehealth listed in Tustin, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 352-5800.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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.
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