David M Heyer, MD - Medicare Medical Oncology in Fairfax, VA

David M Heyer, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Fairfax, Virginia. He went to University Of Michigan Medical School and graduated in 1985 and has 39 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Inova Health Care Services, Inova Health Care Services and his current practice location is 8501 Arlington Blvd Ste 340, Fairfax, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 207-0733.

David M Heyer is licensed to practice in Virginia (license number 0101046628) 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 1811912363.

Contact Information

David M Heyer, MD
8501 Arlington Blvd Ste 340,
Fairfax, VA 22031-4625
(703) 207-0733
(703) 207-0736

Map and Direction




Physician's Profile

Full NameDavid M Heyer
GenderMale
SpecialityMedical Oncology
Experience39 Years
Location8501 Arlington Blvd Ste 340, Fairfax, 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:
  • David M Heyer attended and graduated from University Of Michigan Medical School in 1985
  NPI Data:
  • NPI Number: 1811912363
  • Provider Enumeration Date: 07/13/2006
  • Last Update Date: 08/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3577649334
  • Enrollment ID: I20100322000836

Medical Identifiers

Medical identifiers for David M Heyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811912363NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101046628 (Virginia)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 0101046628 (Virginia)Secondary
207RX0202XInternal Medicine - Medical Oncology 0101046628 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Fairfax HospitalFalls church, VAHospital
Inova Fair Oaks HospitalFairfax, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inova Health Care Services24663510931725
Inova Health Care Services24663510931725

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. David M Heyer allows following entities to bill medicare on his behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20040102000644
Entity NameInova Health Care Services
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1275097123
PECOS PAC ID: 2466351093
Enrollment ID: O20190509001539

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. David M Heyer 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
David M Heyer, MD
Po Box 37174,
Baltimore, MD 21297-3174

Ph: (571) 423-5699
David M Heyer, MD
8501 Arlington Blvd Ste 340,
Fairfax, VA 22031-4625

Ph: (703) 207-0733

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).

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