Hae Young Aaron Song, MD - Medicare Allergy/immunology in Yorba Linda, CA

Hae Young Aaron Song, MD is a medicare enrolled "Allergy & Immunology" physician in Yorba Linda, California. He went to University Of Washington School Of Medicine and graduated in 1997 and has 27 years of diverse experience with area of expertise as Allergy/immunology. His current practice location is 16960 Bastanchury Rd Ste H, Yorba Linda, California. You can reach out to his office (for appointments etc.) via phone at (714) 777-8845.

Hae Young Aaron Song is licensed to practice in California (license number A068359) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1831181569.

Contact Information

Hae Young Aaron Song, MD
16960 Bastanchury Rd Ste H,
Yorba Linda, CA 92886-1711
(714) 777-8845
(714) 777-8856

Map and Direction




Physician's Profile

Full NameHae Young Aaron Song
GenderMale
SpecialityAllergy/immunology
Experience27 Years
Location16960 Bastanchury Rd Ste H, Yorba Linda, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Hae Young Aaron Song attended and graduated from University Of Washington School Of Medicine in 1997
  NPI Data:
  • NPI Number: 1831181569
  • Provider Enumeration Date: 08/18/2005
  • Last Update Date: 10/27/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2769414994
  • Enrollment ID: I20050908000319

Medical Identifiers

Medical identifiers for Hae Young Aaron Song such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831181569NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology A068359 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Hae Young Aaron Song allows following entities to bill medicare on his behalf.
Entity NameFaculty Physicians And Surgeons Of Llusm
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205009917
PECOS PAC ID: 1153227814
Enrollment ID: O20031211000981
Entity NameAllergy Associates Of Orange County, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902065220
PECOS PAC ID: 1850452418
Enrollment ID: O20081202000274

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Hae Young Aaron Song is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Hae Young Aaron Song, MD
16960 Bastanchury Rd Ste H,
Yorba Linda, CA 92886-1711

Ph: (714) 777-8845
Hae Young Aaron Song, MD
16960 Bastanchury Rd Ste H,
Yorba Linda, CA 92886-1711

Ph: (714) 777-8845

Reviews and Comments


Allergy & Immunology Doctors in Yorba Linda, CA

Dr. Donald J. Gjesdal, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 17021 Yorba Linda Blvd, Ste 160, Yorba Linda, CA 92886
Phone: 714-961-0110    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.