DR. MARK PHILLIP MERCIER M.D.
NPI 1548220296
Emergency Medicine - Emergency Medical Services in Columbia, SC
About Dr. Mark Phillip Mercier M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK PHILLIP MERCIER M.D. (NPI 1548220296) is an individual emergency medical services provider in Columbia, South Carolina, licensed in South Carolina (24578) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Citrus Hospital, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
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. Mark Phillip Mercier M.d. 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
6Medicare enrollment records show Mark Mercier reassigns Medicare billing to 6 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
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Varnville, SC 29944
- Reassigned Medicare billing, South Carolina enrollment
- 212 clinicians in this Medicare group
Simpsonville, SC 29680
- Reassigned Medicare billing, South Carolina enrollment
- 103 clinicians in this Medicare group
Beaufort, SC 29902
- Reassigned Medicare billing, South Carolina enrollment
- 35 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 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 2
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.
Hca Florida Citrus Hospital
Acute Care Hospitals · Inverness, FLMarion Communtiy Hospital
Acute Care Hospitals · Ocala, FLBeaufort County Memorial Hospital
Acute Care Hospitals · Beaufort, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mark Mercier's NPI number?
The NPI number for Mark Mercier is 1548220296. It was assigned to this individual provider in the NPPES registry on March 26, 2006.
Where is Mark Mercier located?
Mark Mercier practices at Palmetto Health Baptist Hospital Taylor At Marion St., Columbia, SC 29220. The listed phone number is (803) 296-5050.
What is Mark Mercier's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Mark Mercier enrolled in Medicare?
Yes. Mark Mercier 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 Mark Mercier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mercier reassigns Medicare benefits to 6 organizations: Palmetto Health (Columbia, SC), Musc Community Physicians (Bamberg, SC), Beaufort County Memorial Hospital (Varnville, SC), Cep America LLC (Simpsonville, SC), Acs Emergency Physicians Of Sc PC (Beaufort, SC) and 1 more organization, 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 Mark Mercier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mercier accept?
Health plans from Oscar Health Maintenance Organization of Florida list Mark Mercier 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 Mark Mercier affiliated with any hospitals?
According to CMS data, Mark Mercier is affiliated with Hca Florida Citrus Hospital, Marion Communtiy Hospital and Beaufort County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mark Mercier 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.