Gregor Siebert, PA - Medicare Physician Assistant in Alexandria, VA

Gregor Siebert, PA is a medicare enrolled "Physician Assistant - Medical" in Alexandria, Virginia. He graduated from nursing school in 2001 and has 23 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Patient First Richmond Medical Group Pllc, Patient First Richmond Medical Group Pllc and his current practice location is 6311 Richmond Hwy, Alexandria, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 647-6087.

Gregor Siebert is licensed to practice in Virginia (license number 0110004442) 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 1700873510.

Contact Information

Gregor Siebert, PA
6311 Richmond Hwy,
Alexandria, VA 22306-6410
(703) 647-6087
(703) 647-6088

Map and Direction




Provider's Profile

Full NameGregor Siebert
GenderMale
SpecialityPhysician Assistant
Experience23 Years
Location6311 Richmond Hwy, Alexandria, 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:
  • Gregor Siebert graduated from nursing school in 2001
  NPI Data:
  • NPI Number: 1700873510
  • Provider Enumeration Date: 10/06/2005
  • Last Update Date: 02/02/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9830319722
  • Enrollment ID: I20140926001455

Medical Identifiers

Medical identifiers for Gregor Siebert such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700873510NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical 0110004442 (Virginia)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Patient First Richmond Medical Group Pllc9931011434278
Patient First Richmond Medical Group Pllc9931011434278

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. Gregor Siebert 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
Gregor Siebert, PA
5000 Cox Rd, Suite 100,
Glen Allen, VA 23060-9263

Ph: (804) 968-5700
Gregor Siebert, PA
6311 Richmond Hwy,
Alexandria, VA 22306-6410

Ph: (703) 647-6087

Reviews and Comments


Physician Assistant Nurses in Alexandria, VA

Jessica Suppa Ware, PA-C
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Phone: 703-379-8879    Fax: 703-998-6821
Mr. William Russell Bartow Jr,
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Phone: 703-664-7218    Fax: 703-664-7317
Ms. Nancy Saunders, PHYSICIAN ASSISTANT
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Phone: 703-379-8879    Fax: 703-998-6821
Lauren M Dailey, PA-C
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Practice Location: 6355 Walker Ln, Suite 401, Alexandria, VA 22310
Phone: 703-924-2100    
Brett Briard,
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Phone: 916-390-7433    
Jessica Del Rossi, PA-C
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Practice Location: 2800 Eisenhower Ave Ste 200, Alexandria, VA 22314
Phone: 703-562-9220    Fax: 703-520-7745
Nadia E Bangura, PA-C
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Medicare: Accepting Medicare Assignments
Practice Location: 6355 Walker Ln Ste 507, Alexandria, VA 22310
Phone: 703-738-4332    Fax: 703-971-4605

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.