DR. STILES MIKELL HARPER III MD
NPI 1700578135
Emergency Medicine in Charleston, SC

Active since May 24, 2023PECOS EnrolledAccepts Medicare Assignment
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 4, 2026, May 24, 2023 (2 updates tracked since 2023).

About Dr. Stiles Mikell Harper Iii Md NPPES

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

DR. STILES MIKELL HARPER III MD (NPI 1700578135) is an individual emergency medicine provider in Charleston, South Carolina, licensed in South Carolina (96970) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (2023).

NPPES Registry Identity

NPI1700578135
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STILES MIKELL HARPER IIICredential: MD
Location Address171 ASHLEY AVECharleston, SC 29425-0100
Mailing Address1019 S Shem DrMount Pleasant, SC 29464-4131 · (803) 429-1362
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2023
Enumeration DateMay 24, 2023
Last NPPES UpdateJune 9, 20262 updates tracked since enumeration
NPPES CertifiedJune 9, 2026
✔ NPI 1700578135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in SC · 96970
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
171 ASHLEY AVE, Charleston, SC 29425

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. Stiles Mikell Harper Iii 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.

PECOS PAC ID1557825858
PECOS Enrollment IDI20260708001980
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 Reassignments

4

Medicare enrollment records show Stiles Harper reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrics & Gynecology
171 ASHLEY AVE
Charleston, SC 29425
  • Reassigned Medicare billing, South Carolina enrollment
  • 2,594 clinicians in this Medicare group
Emergency Medicine
2000 HOSPITAL DR
Mount Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 45 clinicians in this Medicare group
Emergency Medicine
960 CHARLESTON REGIONAL PARKWAY
Charleston, SC 29492
  • Reassigned Medicare billing, South Carolina enrollment
  • 37 clinicians in this Medicare group
Emergency Medicine
100 CALLEN BLVD
Summerville, SC 29486
  • Reassigned Medicare billing, South Carolina enrollment
  • 72 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.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420110
Location300 Callen BlvdSummerville, SC 29486 · Dorchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425

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 Stiles Harper's NPI number?

The NPI number for Stiles Harper is 1700578135. It was assigned to this individual provider in the NPPES registry on May 24, 2023.

Where is Stiles Harper located?

Stiles Harper practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.

What is Stiles Harper's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stiles Harper enrolled in Medicare?

Yes. Stiles Harper 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 Stiles Harper's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stiles Harper reassigns Medicare benefits to 4 organizations: University Medical Associates Of The Medical University Of South Carol (Charleston, SC), Mount Pleasant Emergency Physicians, LLC (Mount Pleasant, SC), Daniel Island Emergency Physicians, LLC (Charleston, SC) and Broad River Physicians Group, LLC (Summerville, 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 Stiles Harper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Stiles Harper affiliated with any hospitals?

According to CMS data, Stiles Harper is affiliated with Bon Secours-St Francis Xavier Hospital, Roper Hospital and Roper St Francis Hospital-Berkeley Inc.

When was this NPI record last updated?

The NPPES record for Stiles Harper was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.