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ALLERGY ASSOCIATES OF ORANGE COUNTY, INC.
NPI 1902065220
Clinic/Center - Medical Specialty in Yorba Linda, CA

Active since June 02, 2008
19871 YORBA LINDA BLVD, SUITE 104, YORBA LINDA, CA 92886(714) 777-8845(714) 777-8856 Get Directions Write a Review

NPPES record last updated: June 10, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Allergy Associates Of Orange County, Inc. NPPES

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

ALLERGY ASSOCIATES OF ORANGE COUNTY, INC. (NPI 1902065220) is a healthcare organization registered as a medical specialty in Yorba Linda, California and active in the NPI registry since June 2008. The organization lists Hae Young Aaron Song, Owner, as its authorized official.

NPPES Registry Identity

NPI1902065220
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameALLERGY ASSOCIATES OF ORANGE COUNTY, INC.
Location Address19871 YORBA LINDA BLVD, SUITE 104Yorba Linda, CA 92886-2811
Mailing Address14 InglesideIrvine, CA 92620-2890 · (714) 310-7781
Phone(714) 777-8845
Fax(714) 777-8856
Organization SubpartNo
Authorized OfficialHae Young Aaron SongOwner · (714) 310-7781
Enumeration DateJune 2, 2008
Last NPPES UpdateJune 10, 2008
✔ NPI 1902065220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in CA · A68359
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
19871 YORBA LINDA BLVD, Yorba Linda, CA 92886
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Other Identifiers 1

Medicare UPINH28965CA

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allergy Associates Of Orange County, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20081202000274Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Allergy Associates Of Orange County, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Hae Young Song, MD
Allergy/Immunology
NPI 1831181569
16960 BASTANCHURY RD STE H
Yorba Linda, CA 92886
(714) 777-8845
✔ PECOS✔ Accepts Medicare3.0 mi

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

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 Allergy Associates Of Orange County, Inc.'s NPI number?

The NPI number for Allergy Associates Of Orange County, Inc. is 1902065220. It was assigned to this organization in the NPPES registry on June 2, 2008.

Where is Allergy Associates Of Orange County, Inc. located?

Allergy Associates Of Orange County, Inc. is located at 19871 Yorba Linda Blvd Suite 104, Yorba Linda, CA 92886. The listed phone number is (714) 777-8845.

What is Allergy Associates Of Orange County, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Allergy Associates Of Orange County, Inc. enrolled in Medicare?

Yes. Allergy Associates Of Orange County, Inc. is registered in the Medicare PECOS enrollment system.

When is Allergy Associates Of Orange County, Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Allergy Associates Of Orange County, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Allergy/Immunology) reassigns their Medicare billing to Allergy Associates Of Orange County, Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Allergy Associates Of Orange County, Inc. was last updated on June 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.