Margaret King, OGNP - Medicare Nurse Practitioner in Reston, VA

Margaret King, OGNP is a medicare enrolled "Nurse Practitioner - Obstetrics & Gynecology" in Reston, Virginia. Her current practice location is 1800 Town Center Drive, Suite 220, Reston, Virginia. You can reach out to her office (for appointments etc.) via phone at (703) 435-2555.

Margaret King is licensed to practice in Virginia (license number 0024109897) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1811215023.

Contact Information

Margaret King, OGNP
1800 Town Center Drive, Suite 220,
Reston, VA 20190-3238
(703) 435-2555
Not Available

Map and Direction




Provider's Profile

Full NameMargaret King
GenderFemale
SpecialityNurse Practitioner - Obstetrics & Gynecology
Location1800 Town Center Drive, Suite 220, Reston, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1811215023
  • Provider Enumeration Date: 05/12/2010
  • Last Update Date: 03/07/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4789040551
  • Enrollment ID: I20230522000084

Medical Identifiers

Medical identifiers for Margaret King such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811215023NPI-NPPES
30017647130001MedicaidVA
1811215023MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LX0001XNurse Practitioner - Obstetrics & Gynecology RN54222 (District Of Columbia)Secondary
363LX0001XNurse Practitioner - Obstetrics & Gynecology 0024109897 (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. Margaret King allows following entities to bill medicare on her behalf.
Entity NameLoudoun Medical Group, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407908817
PECOS PAC ID: 0042119661
Enrollment ID: O20040102000616

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. Margaret King 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
Margaret King, OGNP
224d Cornwall Street, Nw, Suite 403, Suite 410,
Leesburg, VA 20176-3701

Ph: (571) 209-1829
Margaret King, OGNP
1800 Town Center Drive, Suite 220,
Reston, VA 20190-3238

Ph: (703) 435-2555

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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