Mark Phillip Mercier, M.D.
Emergency Medical Services (Emergency Medicine) Physician · Columbia, SC
Mark Phillip Mercier, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Columbia, South Carolina, and NPI 1548220296, issued on Mar 26, 2006. Check the license (South Carolina 24578, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Phillip Mercier
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 24578 SC
Self-reported in NPPES; status is on the state search - Practice location
- Palmetto Health Baptist Hospital, Columbia, SC 29220
- Phone
- (803) 296-5050
- Enumerated
- Mar 26, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20241105003615); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 32 in South Carolina → Look up another NPI →
Verify Mark Phillip Mercier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 24578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
119 Medicare Part D claims for 87 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Cephalexin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 hospitals and group practices
- Beaufort County Memorial HospitalBeaufort, SC · Acute Care Hospitals4 of 5 stars
- Emergency Medicine Services OF FL LLCOrlando, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark Phillip Mercier among 32 emergency medical services (emergency medicine) physician records in South Carolina
Mark Phillip Mercier, M.D. is one of 32 emergency medical services (emergency medicine) physician records with a practice address in South Carolina. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 66% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated1998 · median 2008 among the 10 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in South Carolina
There are 32 emergency medical services (emergency medicine) physician records in South Carolina.
All 32 in South Carolina → Every provider in Columbia → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Joseph SimmonsSumter, SC 291531164999744
- Cathy Messer, D.OSpartanburg, SC 293011376648667
- James KingSpartanburg, SC 293031922762939
- Courtney Scism, EMTBoiling Springs, SC 293161497337273
- Stuart Adams, MDOrangeburg, SC 291181457331811
- Caitlin Bernardo, DOCharleston, SC 294251306577549
- Olivia HolodnikCharleston, SC 294251861122798
- Robert Lenoci, MDCharleston, SC 294251881252468
Common questions
What is Mark Phillip Mercier, M.D.'s NPI number?
Mark Phillip Mercier, M.D.'s National Provider Identifier (NPI) is 1548220296, issued on Mar 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Phillip Mercier, M.D. located?
The NPPES record lists a practice address at Palmetto Health Baptist Hospital, Columbia, SC, 29220. Phone: (803) 296-5050. Providers update this record themselves, so call before visiting.
How can I verify Mark Phillip Mercier, M.D.'s license?
NPPES lists South Carolina license number 24578, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Phillip Mercier, M.D. prescribe under Medicare Part D?
In 2024, Mark Phillip Mercier, M.D. had 119 Medicare Part D claims for 87 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.