Natalie M Grieb, FNP - Medicare Nurse Practitioner in Fairfax, VA

Natalie M Grieb, FNP is a medicare enrolled "Nurse Practitioner - Family" in Fairfax, Virginia. She graduated from nursing school in 2021 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Inova Health Care Services and her current practice location is 8081 Innovation Park Dr Ste 800, Fairfax, Virginia. You can reach out to her office (for appointments etc.) via phone at (571) 472-4600.

Natalie M Grieb is licensed to practice in Virginia (license number 0024181026) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1356943690.

Contact Information

Natalie M Grieb, FNP
8081 Innovation Park Dr Ste 800,
Fairfax, VA 22031-4867
(571) 472-4600
(571) 665-6885

Map and Direction




Provider's Profile

Full NameNatalie M Grieb
GenderFemale
SpecialityNurse Practitioner
Experience3 Years
Location8081 Innovation Park Dr Ste 800, Fairfax, Virginia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Natalie M Grieb graduated from nursing school in 2021
  NPI Data:
  • NPI Number: 1356943690
  • Provider Enumeration Date: 11/11/2020
  • Last Update Date: 04/29/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9931586161
  • Enrollment ID: I20220510000101

Medical Identifiers

Medical identifiers for Natalie M Grieb such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356943690NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 0001254398 (Virginia)Secondary
363LF0000XNurse Practitioner - Family 0024181026 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Fairfax HospitalFalls church, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inova Health Care Services24663510931778

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. Natalie M Grieb allows following entities to bill medicare on her behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20110104000695

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. Natalie M Grieb 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
Natalie M Grieb, FNP
Po Box 37174,
Baltimore, MD 21297-3174

Ph: (571) 423-5699
Natalie M Grieb, FNP
8081 Innovation Park Dr Ste 800,
Fairfax, VA 22031-4867

Ph: (571) 472-4600

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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