Doctor profile · Federal record

Dr. Thomas Onyia, M.D

Anesthesiology Physician · Surgery Physician · San Diego, CA

  • NPI 1902283443
  • 11 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr # Mc8770
San Diego, CA 921031911
(310) 528-9922
fax (619) 543-5424
Mailing address
27700 Medical Center RD
Mission Viejo, CA 926916426

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
December 6, 2021
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
California #149440 · Arizona #R74956

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902283443. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
7
Medicare allowed
$23,390
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 27 27 $134
00813 Anesthesia for procedure on small and large bowel using an endoscope 24 24 $167
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 16 16 $66
01402 Anesthesia for procedure for total knee joint replacement 15 15 $382
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $131
01214 Anesthesia for total hip replacement 14 14 $380
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 13 13 $140

In context: peer comparison

Among 160 peers in San Diego Anesthesiology Physician, average services per provider: 24. This provider delivers 5.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Onyia's medical specialty?
Dr. Thomas Onyia practices Anesthesiology Physician in San Diego, CA.
Where does Dr. Thomas Onyia practice?
Dr. Thomas Onyia practices at 200 W Arbor Dr # Mc8770, San Diego, CA 921031911. Office phone: 3105289922.
What is Dr. Thomas Onyia's NPI?
Dr. Thomas Onyia's National Provider Identifier (NPI) is 1902283443, issued by NPPES.
What procedures does Dr. Thomas Onyia commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.