William Spencer Lewis, MD

Otolaryngology

William Spencer Lewis is an Otolaryngology specialist based in Los Gatos, CA with over 40 years of clinical experience. Offers virtual telehealth visits.

(408) 395-6121Los Gatos, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across CA can see William Spencer Lewis, MD in person in Los Gatos or via virtual visit — no travel required. He graduated from University of Southern California Keck School of Medicine in 1986 and has 40+ years of clinical experience. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

At a glance

  • Uses generic medications more than 92% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 233 Otolaryngology providers in CASee all Otolaryngology in Los Gatos40+ years experienceNPI since 2005

Older · 754dNPPES updated 2024-04-29 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

15861 Winchester Blvd, Los Gatos, CA 95030-3306

Fax: (408) 395-6127
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 High Cholesterol, Hypertension, and Arthritis.

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

Hypertension
Higher than avg (+3%)73%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+3%) — a focus area for this doctor

Arthritis
Lower than avg (-4%)45%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-4%) — less common here

Ischemic Heart Disease
Lower than avg (-1%)31%

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

US avg: 31.7%

↓ Fewer patients than average (-1%) — less common here

Diabetes
Lower than avg (-8%)26%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-8%) — less common here

Osteoporosis
Higher than avg (+5%)23%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

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

Atrial Fibrillation
22%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%
Cancer
21%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%
GeneralBehavioralNational avg

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

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1986

    University of Southern California Keck School of Medicine

  2. Board certified · Apr 28, 2024

    Self-reported via NPPES

  3. 40 years in practice

    Senior practitioner

OtolaryngologyAllopathic & Osteopathic Physicians

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Taxonomy: 207Y00000X

Education & Training

University of Southern California Keck School of Medicine (Class of 1986)

Virtual Otolaryngology Care With William Spencer Lewis

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

Schedule a virtual visit with William Spencer Lewis for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Los Gatos required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about William Spencer Lewis

Dr. Lewis is listed as active in the NPI registry with telehealth listed in Los Gatos, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (408) 395-6121.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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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