Michael Grillon, MD - Medicare Family Medicine in Onancock, VA

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Michael Grillon, MD is a medicare enrolled "Family Medicine" physician in Onancock, Virginia. His current practice location is 20486 Market Street, Onancock, Virginia. You can reach out to his office (for appointments etc.) via phone at (757) 302-2700.

Michael Grillon is licensed to practice in Virginia (license number 0101055534) 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 1639178122.

Contact Information

Michael Grillon, MD
20486 Market Street,
Onancock, VA 23417
(757) 302-2700
(757) 787-9262

Map and Direction




Physician's Profile

Full NameMichael Grillon
GenderMale
SpecialityFamily Medicine
Location20486 Market Street, Onancock, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639178122
  • Provider Enumeration Date: 07/18/2005
  • Last Update Date: 11/11/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 5294772166
  • Enrollment ID: I20200106003046

Medical Identifiers

Medical identifiers for Michael Grillon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639178122NPI-NPPES
C06115OtherVAGROUP PTAN
1073988OtherWVBRICKSTREET-WV COMP
1639178122MedicaidVA
020002600OtherVABLACK LUNG
2132448OtherVAMAMSI
5472512OtherVAAETNA
790577TMedicaidNC
1373138OtherVACIGNA
178223OtherVABCBS
3810012912MedicaidWV

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 0101055534 (Virginia)Secondary
207Q00000XFamily Medicine 0101055534 (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. Michael Grillon allows following entities to bill medicare on his behalf.
Entity NameVohra Wound Physicians Of Fl Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205130911
PECOS PAC ID: 6406039882
Enrollment ID: O20141203002671

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. Michael Grillon 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
Michael Grillon, MD
8262 Atlee Rd, Suite 205,
Mechanicsville, VA 23116-1816

Ph: (804) 559-0194		Michael Grillon, MD
20486 Market Street,
Onancock, VA 23417

Ph: (757) 302-2700

Reviews and Comments


Family Medicine Doctors in Onancock, VA

Joan Lingen, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20306 Badger Ln, Onancock, VA 23417
Phone: 757-414-0400    Fax: 757-414-0569
Parker Dooley, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 20280 Market St, Onancock, VA 23417
Phone: 757-787-7374    Fax: 757-787-4513

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.