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CAROLE IRENE MERCER M.D.
NPI 1851550487
Internal Medicine - Adolescent Medicine in Simpsonville, SC

Active since June 09, 2008PECOS Enrolled
312 HARRISON BRIDGE RD, SIMPSONVILLE, SC 29680(864) 603-5600(864) 603-5601 Get Directions Write a Review

NPPES record last updated: February 20, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 20, 2019, Jun 15, 2018, Feb 7, 2017 (3 updates tracked since 2017).

About Carole Irene Mercer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAROLE IRENE MERCER M.D. (NPI 1851550487) is an individual adolescent medicine provider in Simpsonville, South Carolina, licensed in South Carolina (30945) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1851550487
Entity TypeIndividualFemale
Primary Taxonomy207RA0000X
Provider Legal NameCAROLE IRENE MERCERCredential: M.D.
Location Address312 HARRISON BRIDGE RDSimpsonville, SC 29680
Mailing Address525 Verdae Blvd Ste 200Greenville, SC 29607-4021 · (864) 272-0388 · Fax (864) 213-9237
Phone(864) 603-5600
Fax(864) 603-5601
Sole ProprietorNo
Enumeration DateJune 9, 2008
Last NPPES UpdateFebruary 20, 20193 updates tracked since enumeration
✔ NPI 1851550487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0000X
License✔ Licensed in SC · 30945
Definition
An internist who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
312 HARRISON BRIDGE RD, Simpsonville, SC 29680
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Secondary Practice Locations 6

Location 1211 BATESVILLE ROADSIMPSONVILLE, SC 29681 · Phone (864) 272-0388 · Fax (864) 213-9237
Location 2525 Verdae Blvd Suite 200Greenville, SC 29607 · Phone (864) 272-0388 · Fax (864) 213-9237
Location 3201 N. Main StreetGreenville, SC 29601 · Phone (864) 603-5600 · Fax (864) 603-5601
Location 43020 Reidville Road, Suite BSpartanburg, SC 29301 · Phone (864) 272-0388 · Fax (864) 213-9237
Location 5145 E Poinsett StGreer, SC 29651-3405 · Phone (864) 272-0388 · Fax (864) 613-9237
Location 69 Hawthorne Park CtGreenville, SC 29615-3194 · Phone (864) 603-5600 · Fax (864) 603-5601

Other Identifiers 1

Medicaid309455SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carole Irene Mercer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Carole Mercer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Musc Affiliate Physicians
188 mi
Family Medicine
171 ASHLEY AVE
Charleston, SC 29425
  • Reassigned Medicare billing, South Carolina enrollment
  • 140 clinicians in this Medicare group
NPI 1548849482 (843) 792-1414

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDSEY BRIANNE MCAMIS GOUGE M.D.
Pediatrics
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 272-0388
SCOTT R LEDUC PA-C
Physician Assistant
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 603-5600
JENNIFER LEE GOLDSMITH CPNP
Nurse Practitioner (Pediatrics)
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 272-0388
DR. JAMES COAN MCALPINE III
Internal Medicine
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 603-5600
MRS. KATE EMILY NATTIER PA-C
Physician Assistant (Medical)
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 603-5600
TRIBE513, P.A.
Pediatrics
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 272-0388
RACHEL VON LANGENFELD PA-C
Physician Assistant
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 603-5600
EVELYN BRANTLEY HORNE NP
Nurse Practitioner
312 HARRISON BRIDGE RD
SIMPSONVILLE, SC 29680
Greenville County (864) 603-5600

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 Carole Mercer's NPI number?

The NPI number for Carole Mercer is 1851550487. It was assigned to this individual provider in the NPPES registry on June 9, 2008.

Where is Carole Mercer located?

Carole Mercer practices at 312 Harrison Bridge Rd, Simpsonville, SC 29680. The listed phone number is (864) 603-5600.

What is Carole Mercer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Adolescent Medicine, with taxonomy code 207RA0000X.

Is Carole Mercer enrolled in Medicare?

Yes. Carole Mercer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Carole Mercer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carole Mercer reassigns Medicare benefits to Musc Affiliate Physicians (Charleston, SC). The 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 Carole Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carole Mercer accept?

Health plans from Molina Healthcare list Carole Mercer 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 Carole Mercer was last updated on February 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.