J. MICHAEL GRAYSON, MD
NPI 1962725028
Internal Medicine - Cardiovascular Disease in Charleston, SC
About J. Michael Grayson, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
J. MICHAEL GRAYSON, MD (NPI 1962725028) is a healthcare organization registered as a cardiovascular disease in Charleston, South Carolina and active in the NPI registry since March 2010. The organization lists Douglas Bowling, Vp Rsfpn, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
J. Michael Grayson, Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
657Medicare enrollment records show 657 clinicians reassign Medicare billing to J. Michael Grayson, MD, which bills Medicare for the services they deliver. Of these, 47 practice at this address and 398 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 43
Nearest to this location (20)
See all 657Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Roper Saint Francis Physicians Network's NPI number?
The NPI number for Roper Saint Francis Physicians Network is 1962725028. It was assigned to this organization in the NPPES registry on March 3, 2010. The provider is doing business as J. Michael Grayson, MD.
Where is Roper Saint Francis Physicians Network located?
Roper Saint Francis Physicians Network is located at 316 Calhoun St, Charleston, SC 29401. The listed phone number is (843) 789-1620.
What is Roper Saint Francis Physicians Network's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Roper Saint Francis Physicians Network enrolled in Medicare?
Yes. Roper Saint Francis Physicians Network is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Roper Saint Francis Physicians Network?
According to the CMS Revalidation Reassignment List (October 2026 release), 657 clinicians in 43 Medicare specialties reassign their Medicare billing to Roper Saint Francis Physicians Network. A 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 the clinician's services. The largest specialties are Nurse Practitioner (178), Family Practice (103) and Internal Medicine (81). Of these, 47 practice at this address and 398 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Roper Saint Francis Physicians Network accept?
Health plans from BlueCross BlueShield of South Carolina list Roper Saint Francis Physicians Network 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 Roper Saint Francis Physicians Network was last updated on July 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# J. Michael Grayson, Md · NPI 1962725028
Cardiovascular Disease organization in Charleston, South Carolina. Organization record, active in the CMS NPPES registry since March 3, 2010.
## Identity
- **NPI:** 1962725028 (Entity type: Organization)
- **Enumerated:** March 3, 2010
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Legal business name:** Roper Saint Francis Physicians Network
- **Organization subpart:** No
- **Authorized official:** Douglas Bowling, VP RSFPN
## Practice location
- **Address:** 316 CALHOUN ST, Charleston, SC 29401-1113
- **Phone:** (843) 789-1620 · **Fax:** (843) 724-2440
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 657 clinicians in 43 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (178), Family Practice (103), Internal Medicine (81); 47 practice at this address and 398 within 10 miles; [full list](https://npiprofile.com/npi/1962725028/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2010
- **Other identifiers:** Medicare PIN 9223 (SC); Medicaid GP5384 (SC); Other DP0704 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1962725028) · Data from the CMS NPPES public registry.