Doctor profile · Federal record

Dr. Ethan Nicholls, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Fremont, CA

  • NPI 1801805106
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3200 Kearney St
Fremont, CA 945382299
(510) 490-1222
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 29, 2020
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #G67915
Medicaid
CA #00G679150

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801805106. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
5
Medicare allowed
$30,965
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 99 92 $142
00811 Anesthesia for other procedure on large bowel using an endoscope 55 55 $155
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $152
00140 Anesthesia for other procedure on eye 15 15 $237
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $193

In context: peer comparison

Among 7 peers in this city , average services per provider: 40. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ethan Nicholls's medical specialty?
Dr. Ethan Nicholls practices Anesthesiology Physician in Fremont, CA.
Where does Dr. Ethan Nicholls practice?
Dr. Ethan Nicholls practices at 3200 Kearney St, Fremont, CA 945382299. Office phone: 5104901222.
What is Dr. Ethan Nicholls's NPI?
Dr. Ethan Nicholls's National Provider Identifier (NPI) is 1801805106, issued by NPPES.
Does Dr. Ethan Nicholls accept Medicare assignment?
Yes. Dr. Ethan Nicholls accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ethan Nicholls commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.