1. Home
  2. Directory
  3. California
  4. Orange
  5. Anesthesiology
  6. NPI Profile

DR. WINNIE YUEH-WEN RUO M.D
NPI 1194767988
Anesthesiology in Orange, CA

Active since June 13, 2006PECOS Enrolled
681 S PARKER ST STE 150, ORANGE, CA 92868(714) 744-0900(714) 744-9232 Get Directions Write a Review

NPPES record last updated: August 12, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2022, Aug 5, 2022, May 12, 2017 (3 updates tracked since 2017).

About Dr. Winnie Yueh-wen Ruo M.d NPPES

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

DR. WINNIE YUEH-WEN RUO M.D (NPI 1194767988) is an individual anesthesiology provider in Orange, California, licensed in California (G127748) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194767988
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. WINNIE YUEH-WEN RUOCredential: M.D
Location Address681 S PARKER ST STE 150Orange, CA 92868-4761
Mailing Address17192 Murphy Avenue, Po Box 16246Irvine, CA 92623-0497 · (714) 347-1000 · Fax (714) 347-1082
Phone(714) 744-0900
Fax(714) 744-9232
Sole ProprietorNo
Enumeration DateJune 13, 2006
Last NPPES UpdateAugust 12, 20223 updates tracked since enumeration
NPPES CertifiedAugust 12, 2022
✔ NPI 1194767988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CA · G127748✔ Licensed in IL · 036084276
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
681 S PARKER ST STE 150, Orange, CA 92868
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Winnie Yueh-wen Ruo M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

4

Medicare enrollment records show Winnie Ruo reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Crystal Anesthesiology Inc
Same address
Anesthesiology
681 S PARKER ST
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group
NPI 1285320580 (262) 342-6695
Premiercare Anesthesia Fountain Valley Inc
6.2 mi
Anesthesiology
17100 EUCLID ST.
Fountain Valley, CA 97208
  • Reassigned Medicare billing, California enrollment
  • 59 clinicians in this Medicare group
NPI 1831536531 (714) 966-7200
Elmhurst Anesthesiologists, PC
1,720 mi
Anesthesiology
200 BERTEAU AVE
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 81 clinicians in this Medicare group
NPI 1376586610 (630) 833-1400
Allied Anesthesia Medical Group Inc
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
No phone listed

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
85 services81 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
15 services15 patients

Other Providers at the Same Location NPPES 20

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

NIKITA PATEL MD INC.
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
KEYAN JALILI DO
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
DR. GEXIN TANG M.D.
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
SUNSHINE MEDICAL CONSULTING
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
TOCCATA LLC
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
J DUNCKELMEYER MD PLLC
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
DR. AALAP C. SHAH M.D.
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900
DR. CHUN ESTHER YANG M.D.
Anesthesiology
681 S PARKER ST STE 150
ORANGE, CA 92868
Orange County (714) 744-0900

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 Winnie Ruo's NPI number?

The NPI number for Winnie Ruo is 1194767988. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Winnie Ruo located?

Winnie Ruo practices at 681 S Parker St Ste 150, Orange, CA 92868. The listed phone number is (714) 744-0900.

What is Winnie Ruo's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Winnie Ruo enrolled in Medicare?

Yes. Winnie Ruo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Winnie Ruo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Winnie Ruo reassigns Medicare benefits to 4 organizations: Crystal Anesthesiology Inc (Orange, CA), Premiercare Anesthesia Fountain Valley Inc (Fountain Valley, CA), Elmhurst Anesthesiologists, PC (Elmhurst, IL) and Allied Anesthesia Medical Group Inc (CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Winnie Ruo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Winnie Ruo was last updated on August 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.