William Yang, M.D.

Nephrology Internal Medicine

William Yang is a Nephrology Internal Medicine specialist based in Northridge, CA with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: NEPHROLOGY

(818) 349-1262Northridge, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

William Yang, M.D. has been part of the Northridge medical community since 2009 in group practice. He has been in practice for 17+ years. CMS Medicare data shows his patients commonly have hypertension, diabetes, and high cholesterol.

1 of 563 Internal Medicine providers in CASee all Internal Medicine in Northridge17+ years experienceNPI since 2009

Older · 4365dNPPES updated 2014-06-10 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

18433 Roscoe Blvd Suite #202, Northridge, CA 91325-4108

Fax: (818) 349-7529
CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

76%

California avg: 83.3 · US avg: 82.8

Lower than most doctors nationally(-6.8 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

749

Unique beneficiaries

High volume

Prescription Recipients

576

Patients prescribed

Prescriptions Written

4,739

Total claims

Total Medicare drug cost: $2.00M

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.

Patient Condition Panel

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, Diabetes, and High Cholesterol.

Hypertension
Higher than avg (+5%)75%

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

Diabetes
Higher than avg (+41%)75%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+41%) — a focus area for this doctor

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+45%)75%

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

Ischemic Heart Disease
Higher than avg (+37%)69%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+37%) — a focus area for this doctor

Heart Failure
Higher than avg (+41%)63%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+41%) — a focus area for this doctor

Arthritis
Higher than avg (+14%)63%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+14%) — a focus area for this doctor

Mood Disorders
36%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$16.7k received from industry

178 transactions reported in 2024 ·High tier

View on CMS Open Payments →

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 William Yang's NPI.

Patient Reviews

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 17 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

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

Practice Footprint

Mailing address

321 S Hamel Rd Apt #4, Los Angeles, CA 90048-3825

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190176

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With William Yang

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with William Yang for blood pressure monitoring, diabetes check-ins, cholesterol management — no travel to Northridge 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 William Yang

Dr. Yang is listed as active in the NPI registry with telehealth listed in Northridge, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (818) 349-1262.

Verified across 5 federal data sources

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.

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