Silvana Marisa Giannelli, MD
Endocrinology, Diabetes & Metabolism
Also practices: INTERNAL MEDICINE
Silvana Marisa Giannelli, MD has practiced internal medicine for 21+ years, working in group practice. With 21+ years of experience, she has been practicing in the Rancho Cucamonga area. Among her Medicare patients, common conditions include hypertension, high cholesterol, and osteoporosis (per CMS data). CMS MIPS quality score: 85.19/100 (2023).
At a glance
- Federal MIPS score higher than 55% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 358dNPPES updated 2025-05-13 · verify on CMS
Contact & Location
Practice Location
10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730-0633
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California.
MIPS Score
202385.19/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+1.6 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better55.9%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-26.9 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
145
Unique beneficiaries
Standard volumePrescription Recipients
189
Patients prescribed
Prescriptions Written
1,443
Total claims
Total Medicare drug cost: $613k
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 Osteoporosis.
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 (-4%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+36%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — 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 (+4%) — 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 (+1%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$34 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 Silvana Marisa Giannelli's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · May 12, 2025
CMS-verified certification date
21 years in practice
Experienced
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
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190118
View hospital on Medicare Care CompareVirtual Endocrinology, Diabetes & Metabolism Care With Silvana Marisa Giannelli
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Silvana Marisa Giannelli for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Rancho Cucamonga 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 Silvana Marisa Giannelli
Dr. Giannelli is listed as active in the NPI registry with telehealth listed in Rancho Cucamonga, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 757-8078.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · 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 Silvana Marisa Giannelli
Practice Location
10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730-0633
Mailing Address
10807 Laurel St Ste 200, Rancho Cucamonga, CA 91730-0633
This is a provider directory. Contact the office directly to schedule appointments.
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