Cosmo Lyle Fraser, MD
Cosmo Lyle Fraser is a Nephrology Internal Medicine specialist based in Yuba City, CA with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Cosmo Lyle Fraser, MD runs an independent nephrologist practice in Yuba City, CA. A New York University School of Medicine graduate since 1979, he brings 47+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and kidney disease.
Older · 937dNPPES updated 2023-10-30 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2115 E Onstott Rd, Yuba City, CA 95991-1556
How Does This Doctor Compare?
MIPS Score
202318.81/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-64.8 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
579
Unique beneficiaries
High volumePrescription Recipients
228
Patients prescribed
Prescriptions Written
1,407
Total claims
Total Medicare drug cost: $142k
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 (+21%) — 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 (+13%) — 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 (+23%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+12%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$105 received from industry
5 transactions 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 Cosmo Lyle Fraser's NPI.
Patient Reviews
No patient reviews yet. If you've seen Cosmo Lyle Fraser, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1979
Nyu Grossman School of Medicine
Board certified · Oct 29, 2023
Self-reported via NPPES
47 years in practice
Senior practitioner
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
Education & Training
New York University School of Medicine (Class of 1979)
Mailing address
220 Standiford Ave Ste F, Modesto, CA 95350-1159
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190014
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Cosmo Lyle Fraser
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Cosmo Lyle Fraser for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Yuba City 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 Cosmo Lyle Fraser
NPI records show Dr. Fraser as active with telehealth listed in Yuba City, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (530) 751-0339.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
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 Cosmo Lyle Fraser
Practice Location
2115 E Onstott Rd, Yuba City, CA 95991-1556
Mailing Address
220 Standiford Ave Ste F, Modesto, CA 95350-1159
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Nephrology Internal Medicine in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA