Doctor profile · Federal record

Dr. William Lewis, MD

Otolaryngology Physician (CMS: Otolaryngology) · Otology & Neurotology Physician · Oakland, CA

  • NPI 1124081112
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2961 Summit St, Suite 1
Oakland, CA 946093482
(510) 465-0941
fax (510) 465-0941
Additional location
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 29, 2024
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
California #G86559
Medicaid
CA #00G865590

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124081112. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,303
Distinct HCPCS
7
Medicare allowed
$131,913
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 689 463 $113
69210 Removal of impacted ear wax 256 200 $38
99204 New patient office or other outpatient visit, 45-59 minutes 203 203 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 48 47 $78
31575 Diagnostic exam of voice box using a flexible endoscope 45 39 $95
31231 Diagnostic exam of nasal passages using an endoscope 44 40 $54
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $98

In context: peer comparison

Among 3 peers in this city , average services per provider: 110. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
375
Patients
168
Total drug cost
$16,791
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 153 56 $6,799
Fluticasone Propionate Generic 58 21 $824
Fluocinolone Acetonide Oil Generic 37 27 $2,368
Ofloxacin Generic 23 16 $1,597
Azelastine Hcl Generic 21 0 $697
Mupirocin Generic 21 0 $265
Mometasone Furoate Generic 19 11 $1,155
Ciprofloxacin-Dexamethasone (Ciprofloxacin Hcl/Dexameth) Brand 18 13 $2,947
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $95
Amoxicillin Generic 12 11 $45

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Lewis's medical specialty?
Dr. William Lewis practices Otolaryngology Physician in Oakland, CA.
Where does Dr. William Lewis practice?
Dr. William Lewis practices at 2961 Summit St, Oakland, CA 946093482. Office phone: 5104650941.
What is Dr. William Lewis's NPI?
Dr. William Lewis's National Provider Identifier (NPI) is 1124081112, issued by NPPES.
Does Dr. William Lewis accept Medicare assignment?
Yes. Dr. William Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lewis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of impacted ear wax (HCPCS 69210); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.