Michael Hien Bien, M.D.
Also practices: NEPHROLOGY
Patients across CA can see Michael Hien Bien, M.D. in person in San Dimas or via virtual visit — no travel required. He graduated from Irvine California College of Medicine in 2004 and has 22+ years of clinical experience. He regularly sees Medicare patients with hypertension, diabetes, and high cholesterol (per CMS claims data).
Older · 5164dNPPES updated 2012-03-16 · verify on CMS
Contact & Location
Practice Location
1335 W Cypress Ave Suite # 205, San Dimas, CA 91773-3537
How Does This Doctor Compare?
Generic Rx
↑ Higher = better79.8%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
477
Unique beneficiaries
Standard volumePrescription Recipients
281
Patients prescribed
Prescriptions Written
3,218
Total claims
Total Medicare drug cost: $676k
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, Diabetes, and High Cholesterol.
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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+41%) — 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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+34%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+15%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+9%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$504 received from industry
15 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 Michael Hien Bien's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2004
Irvine California College of Medicine
22 years in practice
Experienced
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Education & Training
Irvine California College of Medicine (Class of 2004)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190118
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Michael Hien Bien
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Michael Hien Bien for blood pressure monitoring, diabetes check-ins, cholesterol management — no travel to San Dimas 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 Michael Hien Bien
NPI records show Dr. Bien as active with telehealth listed in San Dimas, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 542-2770.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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 Michael Hien Bien
Practice Location
1335 W Cypress Ave Suite # 205, San Dimas, CA 91773-3537
Mailing Address
1335 W Cypress Ave Suite # 205, San Dimas, CA 91773-3537
This is a provider directory. Contact the office directly to schedule appointments.
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