WILLIAM SPENCER LEWIS MD
NPI 1871585059
Otolaryngology in Los Gatos, CA

Active since August 16, 2005PECOS EnrolledAccepts Medicare Assignment
15861 WINCHESTER BLVD, LOS GATOS, CA 95030(408) 395-6121(408) 395-6127 Get Directions Write a Review

NPPES record last updated: April 29, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 29, 2024, Dec 8, 2022 (2 updates tracked since 2022).

About William Spencer Lewis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM SPENCER LEWIS MD (NPI 1871585059) is an individual otolaryngology provider in Los Gatos, California, licensed in California (G62557) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of University Of Southern California Keck School Of Medicine (1986).

NPPES Registry Identity

NPI1871585059
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameWILLIAM SPENCER LEWISCredential: MD
Location Address15861 WINCHESTER BLVDLos Gatos, CA 95030-3306
Mailing Address15861 Winchester BlvdLos Gatos, CA 95030-3306 · (408) 395-6121 · Fax (408) 395-6127
Fax(408) 395-6127
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1986
Enumeration DateAugust 16, 2005
Last NPPES UpdateApril 29, 20242 updates tracked since enumeration
NPPES CertifiedApril 29, 2024
NPI 1871585059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in CA · G62557
Definition
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.
15861 WINCHESTER BLVD, Los Gatos, CA 95030

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Other Identifiers 1

Medicaid00G625571CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William Spencer Lewis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335263508
PECOS Enrollment IDI20100825000896
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
537 services403 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
344 services249 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
266 services217 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
158 services158 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
96 services88 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
85 services75 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers11 claims11 services$30.59 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers11 claims11 services$40.69 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
5 suppliers11 claims66 services$1.76 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Audiologist
15861 WINCHESTER BLVD
LOS GATOS, CA 95030
Otolaryngology
15861 WINCHESTER BLVD
LOS GATOS, CA 95030
Specialist
15861 WINCHESTER BLVD
LOS GATOS, CA 95030
Otolaryngology
15861 WINCHESTER BLVD
LOS GATOS, CA 95030
Otolaryngology
15861 WINCHESTER BLVD
LOS GATOS, CA 95030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lewis's NPI number?

The NPI number for William Lewis is 1871585059. It was assigned to this individual provider in the NPPES registry on August 16, 2005.

Where is William Lewis located?

William Lewis practices at 15861 Winchester Blvd, Los Gatos, CA 95030. The listed phone number is (408) 395-6121.

What is William Lewis's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is William Lewis enrolled in Medicare?

Yes. William Lewis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for William Lewis was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.