Mauro C Janoski, MD
Mauro C Janoski, MD has been part of the Downey medical community since 2006 in group practice. With 43+ years of experience, he has been practicing in the Downey area. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer.
At a glance
- Uses generic medications more than 41% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 119dNPPES updated 2026-01-07 · verify on CMS
Contact & Location
Practice Location
11480 Brookshire Ave. Suite 309, Downey, CA 90241-5025
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better10.73%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+5.6 pts)
10.73% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better86.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+3.4 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
156
Unique beneficiaries
Standard volumePrescription Recipients
80
Patients prescribed
Prescriptions Written
615
Total claims
Total Medicare drug cost: $881k
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 Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+4%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-12%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+25%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-11%) — less common here
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+17%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-6%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$17 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 Mauro C Janoski's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 6, 2026
CMS-verified certification date
43 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Mailing address
18000 Studebaker Rd Ste 800, Cerritos, CA 90703-2671
Differs from practice location
Virtual Hematology & Oncology Care With Mauro C Janoski
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mauro C Janoski for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Downey 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 Mauro C Janoski
NPI records show Dr. Janoski as active with telehealth listed in Downey, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (562) 869-1201.
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 Mauro C Janoski
Practice Location
11480 Brookshire Ave. Suite 309, Downey, CA 90241-5025
Mailing Address
18000 Studebaker Rd Ste 800, Cerritos, CA 90703-2671
This is a provider directory. Contact the office directly to schedule appointments.
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