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ERNESTO P GIDAYA MD
NPI 1003873522
Anesthesiology in Anaheim, CA

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment
1111 W LA PALMA AVE, ANAHEIM, CA 92801(714) 774-1450(714) 710-7741 Get Directions Write a Review

NPPES record last updated: August 7, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ernesto P Gidaya Md NPPES

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

ERNESTO P GIDAYA MD (NPI 1003873522) is an individual anesthesiology provider in Anaheim, California, licensed in California (A38770) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1978).

NPPES Registry Identity

NPI1003873522
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameERNESTO P GIDAYACredential: MD
Location Address1111 W LA PALMA AVEAnaheim, CA 92801-2804
Mailing Address1211 W La Palma Ave Ste 209Anaheim, CA 92801-2802 · (714) 710-7731 · Fax (714) 710-7741
Phone(714) 774-1450
Fax(714) 710-7741
Sole ProprietorNo
Medical School CMSOtherGraduated 1978
Enumeration DateApril 27, 2006
Last NPPES UpdateAugust 7, 2016
✔ NPI 1003873522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A38770
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.
1111 W LA PALMA AVE, Anaheim, CA 92801
Open in Google Maps ↗

Other Identifiers 3

Medicare PINDE872ACA
Medicare PINWA38770B (ASOC)CA
Medicare UPINA85173CA

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

Ernesto P Gidaya 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 ID1052415437
PECOS Enrollment IDI20070329000656
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 Reassignment

Medicare enrollment records show Ernesto Gidaya reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesia Specialists Of Orange County, Inc.
0.1 mi
Anesthesiology
1211 W LA PALMA AVE, SUITE 209
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 73 clinicians in this Medicare group
NPI 1134311319 (877) 594-2787

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
14 services12 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
12 services12 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.

MR. JORGE ROMERO JR.
Social Worker (Clinical)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
ANAHIEM MEMORIAL MEDICAL CENTER
General Acute Care Hospital
1111 W LA PALMA AVE, 1111 W LA PALMA AVENUE
ANAHEIM, CA 92801
Orange County (714) 999-3800
DR. JAKLYN RAE MCCLENDON M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1111 W LA PALMA AVE, AMMC - DEPT. OF PATHOLOGY
ANAHEIM, CA 92801
Orange County (714) 999-6075
ANAHEIM EMERGENCY MEDICAL GROUP
Emergency Medicine
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
D LALANI PERERA-THANGARATNAM MD
Anesthesiology
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
D LALANI PERERA-THANGARATNAM MD INC
Anesthesiology (Pain Medicine)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
LEI ZHANG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
VIJAY K WALI MD
Emergency Medicine
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450

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 Ernesto Gidaya's NPI number?

The NPI number for Ernesto Gidaya is 1003873522. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Ernesto Gidaya located?

Ernesto Gidaya practices at 1111 W La Palma Ave, Anaheim, CA 92801. The listed phone number is (714) 774-1450.

What is Ernesto Gidaya's specialty?

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

Is Ernesto Gidaya enrolled in Medicare?

Yes. Ernesto Gidaya 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 organization bills Medicare for Ernesto Gidaya's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ernesto Gidaya reassigns Medicare benefits to Anesthesia Specialists Of Orange County, Inc. (Anaheim, CA). The 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 Ernesto Gidaya'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 Ernesto Gidaya was last updated on August 7, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.