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ASHLEY W SU
NPI 1144844531
Anesthesiology in Orange, CA

Active since June 02, 2020PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S, ORANGE, CA 92868(714) 456-5501 Get Directions Write a Review

NPPES record last updated: June 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 17, 2025, Apr 29, 2021, Jun 2, 2020 (3 updates tracked since 2020).

About Ashley W Su NPPES

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

ASHLEY W SU (NPI 1144844531) is an individual anesthesiology provider in Orange, California, licensed in California (A186260) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1144844531
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameASHLEY W SU
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address333 City Blvd W Ste 2150Orange, CA 92868-5920
Phone(714) 456-5501
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateJune 2, 2020
Last NPPES UpdateJune 17, 20253 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1144844531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A186260
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.
101 THE CITY DR S, Orange, CA 92868
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ashley W Su is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052707486
PECOS Enrollment IDI20250625001884
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

3

Medicare enrollment records show Ashley Su reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of
0.3 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068
Cep America - Anesthesia PC
16 mi
Anesthesiology
24451 HEALTH CENTER DR
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 833 clinicians in this Medicare group
NPI 1861373631 (949) 837-4500
California Anesthesia Associates Medical Group, Inc.
17 mi
Anesthesiology
2801 ATLANTIC AVE
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 107 clinicians in this Medicare group
NPI 1457399933 (562) 933-2000

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

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.

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

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 Ashley Su's NPI number?

The NPI number for Ashley Su is 1144844531. It was assigned to this individual provider in the NPPES registry on June 2, 2020.

Where is Ashley Su located?

Ashley Su practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-5501.

What is Ashley Su's specialty?

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

Is Ashley Su enrolled in Medicare?

Yes. Ashley Su is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ashley Su's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Su reassigns Medicare benefits to 3 organizations: Regents Of The University Of (Orange, CA), Cep America - Anesthesia PC (Laguna Hills, CA) and California Anesthesia Associates Medical Group, Inc. (Long Beach, 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 Ashley Su'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 Ashley Su was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.