DR. ROBERT LEE GRIGSBY III M.D.
NPI 1245248475
General Practice in St Johns, FL
About Dr. Robert Lee Grigsby Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT LEE GRIGSBY III M.D. (NPI 1245248475) is an individual general practice provider in St Johns, Florida, licensed in Florida (ME34609) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Robert Lee Grigsby Iii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Robert Grigsby reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Homerville, GA 31634
- Reassigned Medicare billing, Georgia enrollment
- 96 clinicians in this Medicare group
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Donalsonville, GA 39845
- Reassigned Medicare billing, Georgia enrollment
- 101 clinicians in this Medicare group
Geneva, AL 36340
- Reassigned Medicare billing, Alabama enrollment
- 10 clinicians in this Medicare group
Booneville, MS 38829
- Reassigned Medicare billing, Georgia enrollment
- 53 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Alabama enrollment
- 456 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Georgia and South Carolina enrollments
- 488 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT JOHN'S, FL 32259
ST JOHNS, FL 32259
SAINT JOHNS, FL 32259
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 Robert Grigsby's NPI number?
The NPI number for Robert Grigsby is 1245248475. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is Robert Grigsby located?
Robert Grigsby practices at 42 Doctors Village Dr, St Johns, FL 32259. The listed phone number is (904) 230-5000.
What is Robert Grigsby's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Robert Grigsby enrolled in Medicare?
Yes. Robert Grigsby is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Grigsby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Grigsby reassigns Medicare benefits to 7 organizations: Clinch County Hospital Authority (Homerville, GA), Paragon Emergency Services LLC (Winter Haven, FL), Donalsonville Hospital Inc (Donalsonville, GA), Geneva County Healthcare Authority, Inc. (Geneva, AL), United Emergency Services, Inc. (Booneville, MS) and 2 more organizations, listed in the Medicare section above. 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 Robert Grigsby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Grigsby accept?
Health plans from CareSource (Common Ground Healthcare) list Robert Grigsby as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Robert Grigsby was last updated on September 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.