William Lewis, MD
NPI 1871585059 · Otolaryngology Physician · Los Gatos, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lewis, MD is a Otolaryngology Physician provider in Los Gatos, CA (NPI 1871585059).
Provider details
- NPI number
- 1871585059
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G62557 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,751 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Impacted Ear Wax69210 | 537 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 344 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 266 | $154 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 158 | $198 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 96 | $166 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 119 | 64 |
| Ipratropium Bromide | 40 | 20 |
| Azelastine Hcl | 39 | 16 |
| Fluocinolone Acetonide Oil | 38 | 32 |
| Omeprazole | 36 | 16 |
| Prednisone | 28 | 24 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 22 | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is William Lewis's NPI number?
- William Lewis's National Provider Identifier (NPI) is 1871585059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lewis's specialty?
- William Lewis is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is William Lewis located?
- William Lewis's practice location on file with NPPES is 15861 Winchester Blvd, Los Gatos, CA 95030-3306.
- What is William Lewis's phone number?
- The practice phone number listed in the NPPES registry for William Lewis is (408) 395-6121.
- Does William Lewis accept Medicare?
- William Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lewis's NPI active?
- Yes — William Lewis's NPI (1871585059) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.