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AARON MATTHEW YIM MD
NPI 1881274744
Anesthesiology in Laguna Hills, CA

Active since April 13, 2021PECOS EnrolledAccepts Medicare Assignment
24451 HEALTH CENTER DR, LAGUNA HILLS, CA 92653(949) 837-4500 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 11, 2025, Nov 7, 2025, Apr 30, 2024 and 1 more (4 updates tracked since 2021).

About Aaron Matthew Yim Md NPPES

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

AARON MATTHEW YIM MD (NPI 1881274744) is an individual anesthesiology provider in Laguna Hills, California, licensed in California (A192568) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Arcadia, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1881274744
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameAARON MATTHEW YIMCredential: MD
Location Address24451 HEALTH CENTER DRLaguna Hills, CA 92653-3689
Mailing Address22922 Los Alisos Blvd, Ste K Pmb 368Mission Viejo, CA 92691-2856
Phone(949) 837-4500
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 13, 2021
Last NPPES UpdateNovember 11, 20254 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1881274744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A192568
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.
24451 HEALTH CENTER DR, Laguna Hills, CA 92653
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Secondary Practice Location 1

Location 1300 W Huntington DrArcadia, CA 91007-3402 · Phone (626) 574-3540

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron Matthew Yim Md 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 ID1052808086
PECOS Enrollment IDI20251014002613
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.

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.

NUVELL CARE PROFESSIONAL CORPORATION
Internal Medicine
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (949) 837-4500
DR. DAVID LLOYD VOGEL M.D.
Pediatrics (Neonatal-Perinatal Medicine)
24451 HEALTH CENTER DR, 540
LAGUNA HILLS, CA 92653
Orange County (949) 452-7165
MR. JEROME PAULO JUMAWAN MSW-LCSW
Social Worker (Clinical)
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (559) 862-8810
ANNA CHAO PHARMD
Pharmacist (Pharmacotherapy)
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (626) 321-1891
DR. LAURA HEEJIN PARK M.D.
Anesthesiology
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (800) 888-2186
JOHN LACY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (949) 452-3050
MARYAM FATHY DNP, MSN, RN, NP-C
Nurse Practitioner (Primary Care)
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (949) 424-9730
SADDLEBACK MEMORIAL MEDICAL CENTER
Rehabilitation Unit
24451 HEALTH CENTER DR
LAGUNA HILLS, CA 92653
Orange County (949) 837-4500

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 Aaron Yim's NPI number?

The NPI number for Aaron Yim is 1881274744. It was assigned to this individual provider in the NPPES registry on April 13, 2021.

Where is Aaron Yim located?

Aaron Yim practices at 24451 Health Center Dr, Laguna Hills, CA 92653. The listed phone number is (949) 837-4500.

What is Aaron Yim's specialty?

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

Is Aaron Yim enrolled in Medicare?

Yes. Aaron Yim 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.

When was this NPI record last updated?

The NPPES record for Aaron Yim was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.