Katherine T Hsiao, MD
Gynecology Obstetrics & Gynecology
Katherine T Hsiao is a Gynecology Obstetrics & Gynecology specialist based in San Francisco, CA with over 36 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Katherine T Hsiao, MD has been part of the San Francisco medical community since 2006 in independent practice. Trained at State University of New York at Buffalo School of Medicine (class of 1990), she has been practicing for over 36 years. Among her Medicare patients, common conditions include high cholesterol, arthritis, and hypertension (per CMS data).
Recent · 81dNPPES updated 2026-03-03 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1100 Van Ness Ave Fl 4, San Francisco, CA 94109-6920
How Does This Doctor Compare?
Generic Rx
↑ Higher = better79.3%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-3.5 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
100
Unique beneficiaries
Standard volumePrescription Recipients
106
Patients prescribed
Prescriptions Written
363
Total claims
Total Medicare drug cost: $39k
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 High Cholesterol, Arthritis, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-5%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-28%) — less common here
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
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+5%) — 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.
$585 received from industry
17 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 Katherine T Hsiao's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1990
Jacobs School of Medicine and Biomedical Sciences at Suny Buffalo
Board certified · Mar 2, 2026
Self-reported via NPPES
36 years in practice
Senior practitioner
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions.
Taxonomy: 207VG0400X
Education & Training
State University of New York at Buffalo School of Medicine (Class of 1990)
Mailing address
325 Distel Cir, Los Altos, CA 94022-1408
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 184015
View hospital on Medicare Care CompareVirtual Obstetrics & Gynecology Care With Katherine T Hsiao
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Katherine T Hsiao for cholesterol management, arthritis follow-ups, blood pressure monitoring — no travel to San Francisco 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 Katherine T Hsiao
NPI records show Dr. Hsiao as active with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 750-7050.
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 Katherine T Hsiao
Practice Location
1100 Van Ness Ave Fl 4, San Francisco, CA 94109-6920
Mailing Address
325 Distel Cir, Los Altos, CA 94022-1408
This is a provider directory. Contact the office directly to schedule appointments.
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