MICHAEL P GRIMES MD
NPI 1104083971
Obstetrics & Gynecology - Obstetrics in Chesapeake, VA
About Michael P Grimes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL P GRIMES MD (NPI 1104083971) is an individual obstetrics provider in Chesapeake, Virginia, licensed in Virginia (0101243328) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael P Grimes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Grimes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chesapeake, VA 23320
- Reassigned Medicare billing, Virginia enrollment
- 158 clinicians in this Medicare group
Midlothian, VA 23114
- Reassigned Medicare billing, Virginia enrollment
- 315 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23320 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESAPEAKE, VA 23320
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 Grimes's NPI number?
The NPI number for Michael Grimes is 1104083971. It was assigned to this individual provider in the NPPES registry on May 20, 2008.
Where is Michael Grimes located?
Michael Grimes practices at 111 Medical Pkwy Suite 202, Chesapeake, VA 23320. The listed phone number is (757) 436-2424.
What is Michael Grimes's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is Michael Grimes enrolled in Medicare?
Yes. Michael Grimes is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Grimes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Grimes reassigns Medicare benefits to 2 organizations: Chesapeake Regional Medical Group (Chesapeake, VA) and Obhg Virginia, LLC (Midlothian, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Grimes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Grimes was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.