Glenn Lorin Tonnesen, MD - Medicare Radiology in Fairfax, VA

Glenn Lorin Tonnesen, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Fairfax, Virginia. His current practice location is 8081 Innovation Park Dr, Fairfax, Virginia. You can reach out to his office (for appointments etc.) via phone at (571) 472-0606.

Glenn Lorin Tonnesen is licensed to practice in Virginia (license number 0101-033480) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1679549224.

Contact Information

Glenn Lorin Tonnesen, MD
8081 Innovation Park Dr,
Fairfax, VA 22031-4867
(571) 472-0606
(571) 472-0540

Map and Direction




Physician's Profile

Full NameGlenn Lorin Tonnesen
GenderMale
SpecialityRadiology - Radiation Oncology
Location8081 Innovation Park Dr, Fairfax, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679549224
  • Provider Enumeration Date: 02/24/2006
  • Last Update Date: 06/28/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4082685185
  • Enrollment ID: I20040803000751

Medical Identifiers

Medical identifiers for Glenn Lorin Tonnesen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679549224NPI-NPPES
298927OtherMAMSI
0101-033480OtherVAMEDICAL LICENSE
95750002OtherBCBS
4137665OtherAETNA
1679549224MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 0101-033480 (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. Glenn Lorin Tonnesen allows following entities to bill medicare on his behalf.
Entity NameRadiation Oncology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013962836
PECOS PAC ID: 1254302359
Enrollment ID: O20040805000155

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. Glenn Lorin Tonnesen 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
Glenn Lorin Tonnesen, MD
9568 Kings Charter Dr Ste 202,
Ashland, VA 23005-7955

Ph: (804) 266-8717
Glenn Lorin Tonnesen, MD
8081 Innovation Park Dr,
Fairfax, VA 22031-4867

Ph: (571) 472-0606

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.