DR. TERRY A GRAINGER MD
NPI 1003854464
Internal Medicine - Sleep Medicine in Columbia, SC
About Dr. Terry A Grainger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TERRY A GRAINGER MD (NPI 1003854464) is an individual sleep medicine provider in Columbia, South Carolina, licensed in South Carolina (16593) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Carolina Pines Regional Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (1987).
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 and accepts Medicare assignment
Dr. Terry A Grainger Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Terry Grainger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, SC 29203
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Prisma Health-Midlands
- 373 clinicians in this Medicare group
Columbia, SC 29203
- Reassigned Medicare billing, South Carolina enrollment
- 1,466 clinicians in this Medicare group
Varnville, SC 29944
- Reassigned Medicare billing, South Carolina enrollment
- 212 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.
Areas of Expertise CMS Part B claims 41
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carolina Pines Regional Medical Center
Acute Care Hospitals · Hartsville, SCPrisma Health Richland Hospital
Acute Care Hospitals · Columbia, SCBeaufort County Memorial Hospital
Acute Care Hospitals · Beaufort, SCPrisma Health Baptist
Acute Care Hospitals · Columbia, SCPrisma Health Baptist Parkridge
Acute Care Hospitals · Columbia, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 18
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
COLUMBIA, SC 29203
COLUMBIA, SC 29203
COLUMBIA, SC 29203
COLUMBIA, SC 29203
COLUMBIA, SC 29203
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 Terry Grainger's NPI number?
The NPI number for Terry Grainger is 1003854464. It was assigned to this individual provider in the NPPES registry on June 4, 2006.
Where is Terry Grainger located?
Terry Grainger practices at 8 Richland Medical Park Dr Ste 100, Columbia, SC 29203. The listed phone number is (803) 434-3800.
What is Terry Grainger's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Terry Grainger enrolled in Medicare?
Yes. Terry Grainger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Terry Grainger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terry Grainger reassigns Medicare benefits to 3 organizations: Palmetto Health (Columbia, SC), Prisma Health Medical Group-Midlands (Columbia, SC) and Beaufort County Memorial Hospital (Varnville, SC). 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 Terry Grainger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Terry Grainger accept?
Health plans from UnitedHealthcare list Terry Grainger 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.
Is Terry Grainger affiliated with any hospitals?
According to CMS data, Terry Grainger is affiliated with Carolina Pines Regional Medical Center, Prisma Health Richland Hospital, Beaufort County Memorial Hospital, Prisma Health Baptist and Prisma Health Baptist Parkridge.
When was this NPI record last updated?
The NPPES record for Terry Grainger was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.