Madeleine Gysi, MD
Also practices: INTERNAL MEDICINE
Madeleine Gysi, MD specializes in internal medicine, serving patients in Mission Hills, CA in independent practice. With 10+ years of experience, she has been practicing in the Mission Hills area. Among her Medicare patients, common conditions include hypertension, high cholesterol, and kidney disease (per CMS data).
At a glance
- Uses generic medications more than 32% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 922dNPPES updated 2023-10-27 · verify on CMS
Contact & Location
Practice Location
11550 Indian Hills Rd Ste 371, Mission Hills, CA 91345-1252
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better83.4%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+0.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
201
Unique beneficiaries
Standard volumePrescription Recipients
270
Patients prescribed
Prescriptions Written
971
Total claims
Total Medicare drug cost: $167k
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 Chronic Kidney Disease.
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
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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+32%) — 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 (+39%) — 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 (+25%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$35 received from industry
1 transaction reported in 2024 ·Low 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 Madeleine Gysi's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jul 14, 2021
CMS-verified certification date
10 years in practice
Established
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
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 210043
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Madeleine Gysi
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Madeleine Gysi for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Mission Hills 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 Madeleine Gysi
NPI records show Dr. Gysi as active with telehealth listed in Mission Hills, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (818) 365-1194.
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 Madeleine Gysi
Practice Location
11550 Indian Hills Rd Ste 371, Mission Hills, CA 91345-1252
Mailing Address
11550 Indian Hills Rd Ste 371, Mission Hills, CA 91345-1252
This is a provider directory. Contact the office directly to schedule appointments.
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