Timothy I. Hsieh, MD
Endocrinology, Diabetes & Metabolism
Timothy I. Hsieh is an Endocrinology, Diabetes & Metabolism specialist based in Los Angeles, CA with over 36 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Timothy I. Hsieh, MD has practiced internal medicine for 36+ years, working in group practice. A University of Michigan Medical School graduate since 1990, he brings 36+ years of experience. CMS Medicare data shows his patients commonly have diabetes, high cholesterol, and hypertension.
Older · 1638dNPPES updated 2021-11-29 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Generic Rx
↑ Higher = better69.1%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-13.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
18
Unique beneficiaries
Boutique practicePrescription Recipients
703
Patients prescribed
Prescriptions Written
3,810
Total claims
Total Medicare drug cost: $659k
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 Diabetes, High Cholesterol, and Hypertension.
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
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
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 · 1990
University of Michigan Medical School
36 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
University of Michigan Medical School (Class of 1990)
Virtual Endocrinology, Diabetes & Metabolism Care With Timothy I. Hsieh
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Timothy I. Hsieh for diabetes check-ins, cholesterol management, blood pressure monitoring — no travel to Los Angeles 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 Timothy I. Hsieh
Dr. Hsieh is listed as active in the NPI registry with telehealth listed in Los Angeles, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (323) 857-2000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Timothy I. Hsieh
Practice Location
6041 Cadillac Ave, Los Angeles, CA 90034-1702
Mailing Address
6041 Cadillac Ave, Los Angeles, CA 90034-1702
This is a provider directory. Contact the office directly to schedule appointments.
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