DR. GREGORY ALAN RIMMER D.O.
NPI 1558304113
Emergency Medicine in Lancaster, SC
About Dr. Gregory Alan Rimmer D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY ALAN RIMMER D.O. (NPI 1558304113) is an individual emergency medicine provider in Lancaster, South Carolina, licensed in South Carolina (SC1015) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Northeast Regional Medical Center, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Gregory Alan Rimmer D.o. 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
9Medicare enrollment records show Gregory Rimmer reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, SC 29720
- Reassigned Medicare billing, South Carolina enrollment
- 509 clinicians in this Medicare group
Union, SC 29379
- Reassigned Medicare billing, South Carolina enrollment
- 754 clinicians in this Medicare group
Greer, SC 29651
- Reassigned Medicare billing, South Carolina enrollment
- 313 clinicians in this Medicare group
Greenville, SC 29601
- Reassigned Medicare billing, South Carolina enrollment
- 54 clinicians in this Medicare group
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Abbeville, SC 29620
- Reassigned Medicare billing, South Carolina enrollment
- 34 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 clinicians in this Medicare group
Bolivar, MO 65613
- Reassigned Medicare billing, Missouri enrollment
- 128 clinicians in this Medicare group
Kirksville, MO 63501
- Reassigned Medicare billing, Missouri enrollment
- 78 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Regional Medical Center
Acute Care Hospitals · Kirksville, MOCitizens Memorial Hospital
Acute Care Hospitals · Bolivar, MOMusc Health Lancaster Medical Center
Acute Care Hospitals · Lancaster, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29720 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.
LANCASTER, SC 29720
LANCASTER, SC 29720
LANCASTER, SC 29720
LANCASTER, SC 29720
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 Gregory Rimmer's NPI number?
The NPI number for Gregory Rimmer is 1558304113. It was assigned to this individual provider in the NPPES registry on June 13, 2006.
Where is Gregory Rimmer located?
Gregory Rimmer practices at 800 W Meeting St, Lancaster, SC 29720. The listed phone number is (803) 286-1330.
What is Gregory Rimmer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Rimmer enrolled in Medicare?
Yes. Gregory Rimmer 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 Gregory Rimmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Rimmer reassigns Medicare benefits to 9 organizations: Carolina Family Care, Inc (Lancaster, SC), Spartanburg Medical Center (Union, SC), Pelham Medical Center (Greer, SC), Vituity-South Carolina LLC (Greenville, SC), Musc Community Physicians (Bamberg, SC) and 4 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 Gregory Rimmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Rimmer accept?
Health plans from Cigna Healthcare, First Choice Next and Molina Healthcare list Gregory Rimmer 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 Gregory Rimmer affiliated with any hospitals?
According to CMS data, Gregory Rimmer is affiliated with Northeast Regional Medical Center, Citizens Memorial Hospital and Musc Health Lancaster Medical Center.
When was this NPI record last updated?
The NPPES record for Gregory Rimmer was last updated on October 26, 2020. 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.
# Dr. Gregory Alan Rimmer, D.O. · NPI 1558304113
Emergency Medicine physician in Lancaster, South Carolina. Individual provider, active in the CMS NPPES registry since June 13, 2006.
## Identity
- **NPI:** 1558304113 (Entity type: Individual)
- **Enumerated:** June 13, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** SC1015 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 W MEETING ST, Lancaster, SC 29720-2202
- **Phone:** (803) 286-1330
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Carolina Family Care, Inc (NPI 1275564098, Lancaster, SC); Spartanburg Medical Center (NPI 1881079093, Union, SC); Pelham Medical Center (NPI 1245496983, Greer, SC); Vituity-South Carolina LLC (NPI 1194328724, Greenville, SC); Musc Community Physicians (NPI 1841878006, Bamberg, SC); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2002
## Record status
- **NPPES last updated:** October 26, 2020
- **Other identifiers:** Other 2009-02106 (NC); Other SC1015 (SC); Other 5101015581 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1558304113) · Data from the CMS NPPES public registry.