Dr Jiun Yoon, MD - Medicare Allergy/immunology in Ashburn, VA

Dr Jiun Yoon, MD is a medicare enrolled "Allergy & Immunology" physician in Ashburn, Virginia. He went to Drexel University College Of Medicine and graduated in 2001 and has 23 years of diverse experience with area of expertise as Allergy/immunology. His current practice location is 20955 Professional Plz Ste 300, Ashburn, Virginia. You can reach out to his office (for appointments etc.) via phone at (571) 246-6323.

Dr Jiun Yoon is licensed to practice in Virginia (license number 0101246979) 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 1548258783.

Contact Information

Dr Jiun Yoon, MD
20955 Professional Plz Ste 300,
Ashburn, VA 20147
(571) 246-6323
(888) 823-5456

Map and Direction




Physician's Profile

Full NameDr Jiun Yoon
GenderMale
SpecialityAllergy/immunology
Experience23 Years
Location20955 Professional Plz Ste 300, Ashburn, Virginia
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:
  • Dr Jiun Yoon attended and graduated from Drexel University College Of Medicine in 2001
  NPI Data:
  • NPI Number: 1548258783
  • Provider Enumeration Date: 10/12/2005
  • Last Update Date: 08/24/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 5698939627
  • Enrollment ID: I20140306000122

Medical Identifiers

Medical identifiers for Dr Jiun Yoon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548258783NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology D70246 (Maryland)Secondary
207K00000XAllergy & Immunology MD038548 (District Of Columbia)Secondary
207K00000XAllergy & Immunology 0101246979 (Virginia)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. Dr Jiun Yoon allows following entities to bill medicare on his behalf.
Entity NameAshburn Allergy Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174039770
PECOS PAC ID: 0749543155
Enrollment ID: O20180418000796

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. Dr Jiun Yoon 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
Dr Jiun Yoon, MD
20955 Professional Plz Ste 300,
Ashburn, VA 20147-3405

Ph: (571) 246-6323
Dr Jiun Yoon, MD
20955 Professional Plz Ste 300,
Ashburn, VA 20147

Ph: (571) 246-6323

Reviews and Comments


Allergy & Immunology Doctors in Ashburn, VA

Dr. Vickie Kyuran Lee, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 44320 Premier Plz, Suite #110, Ashburn, VA 20147
Phone: 703-723-8727    Fax: 703-723-9787

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.