Doctor profile · Federal record

Dr. Winnie Ruo, M.D

Anesthesiology Physician · Anesthesiology Physician · Orange, CA

  • NPI 1194767988
  • 20 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
681 S Parker St Ste 150
Orange, CA 928684761
(714) 744-0900
fax (714) 744-9232
Mailing address
17192 Murphy Avenue, Po Box 16246
Irvine, CA 926230497

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 12, 2022
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
California #G127748 · Illinois #036084276

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194767988. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
3
Medicare allowed
$13,027
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 71 69 $132
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $122
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $153

In context: peer comparison

Among 76 peers in Orange Anesthesiology Physician, average services per provider: 29. This provider delivers 3.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Winnie Ruo's medical specialty?
Dr. Winnie Ruo practices Anesthesiology Physician in Orange, CA.
Where does Dr. Winnie Ruo practice?
Dr. Winnie Ruo practices at 681 S Parker St Ste 150, Orange, CA 928684761. Office phone: 7147440900.
What is Dr. Winnie Ruo's NPI?
Dr. Winnie Ruo's National Provider Identifier (NPI) is 1194767988, issued by NPPES.
What procedures does Dr. Winnie Ruo 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 procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.