Kin Sing Au, MD - Medicare Radiation Oncology in Leesburg, VA

Kin Sing Au, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Leesburg, Virginia. He went to Johns Hopkins University School Of Medicine and graduated in 1981 and has 43 years of diverse experience with area of expertise as Radiation Oncology. His current practice location is 44035 Riverside Pkwy, Suite 100, Leesburg, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 858-8850.

Kin Sing Au is licensed to practice in Virginia (license number 0101046565) 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 1730172362.

Contact Information

Kin Sing Au, MD
44035 Riverside Pkwy, Suite 100,
Leesburg, VA 20176-8260
(703) 858-8850
(703) 858-8870

Map and Direction




Physician's Profile

Full NameKin Sing Au
GenderMale
SpecialityRadiation Oncology
Experience43 Years
Location44035 Riverside Pkwy, Leesburg, 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:
  • Kin Sing Au attended and graduated from Johns Hopkins University School Of Medicine in 1981
  NPI Data:
  • NPI Number: 1730172362
  • Provider Enumeration Date: 08/30/2005
  • Last Update Date: 01/04/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 1557355914
  • Enrollment ID: I20131101001554

Medical Identifiers

Medical identifiers for Kin Sing Au such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730172362NPI-NPPES
P00112813OtherRR MEDICARE
010046769MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 0101046565 (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. Kin Sing Au allows following entities to bill medicare on his behalf.
Entity NameGuam Surgicenter Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548443062
PECOS PAC ID: 3375432057
Enrollment ID: O20060109001075

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. Kin Sing Au 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
Kin Sing Au, MD
Po Box 17334,
Baltimore, MD 21297-1334

Ph: (703) 443-6717
Kin Sing Au, MD
44035 Riverside Pkwy, Suite 100,
Leesburg, VA 20176-8260

Ph: (703) 858-8850

Reviews and Comments


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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.