GRAYSON KEITH CARTER DO
NPI 1497457097
Emergency Medicine in Port St Lucie, FL
About Grayson Keith Carter Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAYSON KEITH CARTER DO (NPI 1497457097) is an individual emergency medicine provider in Port St Lucie, Florida, licensed in Oregon (DO229960) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Conway Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grayson Keith Carter Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Grayson Carter reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Conway, SC 29526
- Reassigned Medicare billing, South Carolina enrollment
- 47 clinicians in this Medicare group
Myrtle Beach, SC 29572
- Reassigned Medicare billing, Georgia and South Carolina enrollments
- 586 clinicians in this Medicare group
Cottage Grove, OR 97424
- Reassigned Medicare billing, Oregon enrollment
- 113 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Conway Medical Center
Acute Care Hospitals · Conway, SCMcleod Loris Hospital
Acute Care Hospitals · Loris, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34952 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT ST LUCIE, FL 34952
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 Grayson Carter's NPI number?
The NPI number for Grayson Carter is 1497457097. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Grayson Carter located?
Grayson Carter practices at 1800 SE Tiffany Ave, Port St Lucie, FL 34952. The listed phone number is (772) 932-4163.
What is Grayson Carter's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Grayson Carter enrolled in Medicare?
Yes. Grayson Carter is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grayson Carter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grayson Carter reassigns Medicare benefits to 3 organizations: Conway Hospital Emergency Professional Services (Conway, SC), Acs Primary Care Physicians - Southeast PC (Myrtle Beach, SC) and Peacehealth (Cottage Grove, OR). 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 Grayson Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Grayson Carter affiliated with any hospitals?
According to CMS data, Grayson Carter is affiliated with Conway Medical Center and Mcleod Loris Hospital.
When was this NPI record last updated?
The NPPES record for Grayson Carter was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Grayson Keith Carter, DO · NPI 1497457097
Emergency Medicine physician in Port St Lucie, Florida. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1497457097 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DO229960 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 SE TIFFANY AVE, Port St Lucie, FL 34952-7521
- **Phone:** (772) 932-4163
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Conway Hospital Emergency Professional Services (NPI 1487844510, Conway, SC); Acs Primary Care Physicians - Southeast PC (NPI 1861430555, Myrtle Beach, SC); Peacehealth (NPI 1902892391, Cottage Grove, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1497457097) · Data from the CMS NPPES public registry.