MICHAEL GRILLON MD
NPI 1639178122
Family Medicine in Onancock, VA

Active since July 18, 2005PECOS Enrolled
20486 MARKET STREET, ONANCOCK, VA 23417(757) 302-2700(757) 787-9262 Get Directions Write a Review

NPPES record last updated: November 11, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 11, 2019, Feb 28, 2019 (2 updates tracked since 2019).

About Michael Grillon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL GRILLON MD (NPI 1639178122) is an individual family medicine provider in Onancock, Virginia, licensed in Virginia (0101055534) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Mechanicsville.

NPPES Registry Identity

NPI1639178122
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMICHAEL GRILLONCredential: MD
Location Address20486 MARKET STREETOnancock, VA 23417
Mailing Address8262 Atlee Rd, Suite 205Mechanicsville, VA 23116-1816 · (804) 559-0194 · Fax (804) 559-0198
Fax(757) 787-9262
Sole ProprietorNo
Enumeration DateJuly 18, 2005
Last NPPES UpdateNovember 11, 20192 updates tracked since enumeration
NPI 1639178122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in VA · 0101055534
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedSurgeryTaxonomy 208600000X · License 0101055534 (VA)
20486 MARKET STREET, Onancock, VA 23417

Secondary Practice Location 1

Location 18262 Atlee Rd, Suite 205Mechanicsville, VA 23116-1816 · Phone (804) 559-0194 · Fax (804) 559-0198

Other Identifiers 10

Medicaid3810012912WV
Medicaid790577TNC
OtherC06115VA · Group Ptan
Other2132448VA · Mamsi
Medicaid1639178122VA
Other5472512VA · Aetna
Other020002600VA · Black Lung
Other1073988WV · Brickstreet-wv Comp
Other1373138VA · Cigna
Other178223VA · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Michael Grillon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23417 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
20486 MARKET STREET
ONANCOCK, VA 23417
Nurse Practitioner (Family)
20486 MARKET STREET
ONANCOCK, VA 23417
Internal Medicine (Critical Care Medicine)
20486 MARKET STREET
ONANCOCK, VA 23417
Nurse Practitioner (Family)
20486 MARKET STREET
ONANCOCK, VA 23417
Internal Medicine (Gastroenterology)
20486 MARKET STREET
ONANCOCK, VA 23417
Obstetrics & Gynecology
20486 MARKET STREET
ONANCOCK, VA 23417
Obstetrics & Gynecology
20486 MARKET STREET
ONANCOCK, VA 23417
Urology
20486 MARKET STREET
ONANCOCK, VA 23417

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Grillon's NPI number?

The NPI number for Michael Grillon is 1639178122. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is Michael Grillon located?

Michael Grillon practices at 20486 Market Street, Onancock, VA 23417. The listed phone number is (757) 302-2700.

What is Michael Grillon's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Michael Grillon enrolled in Medicare?

Yes. Michael Grillon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michael Grillon was last updated on November 11, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.