DR. STEPHEN MARK HARDEN MD
NPI 1043623135
Anesthesiology in Charleston, SC
About Dr. Stephen Mark Harden Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN MARK HARDEN MD (NPI 1043623135) is an individual anesthesiology provider in Charleston, South Carolina, licensed in South Carolina (89244) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and maintains a secondary practice location in Charleston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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. Stephen Mark Harden 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.
Medicare Billing Reassignments
10Medicare enrollment records show Stephen Harden reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charleston, SC 29401
- Reassigned Medicare billing, South Carolina enrollment
- 140 clinicians in this Medicare group
Charleston, SC 29407
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Anesthesia Associates Of Charleston PA
- 133 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Bon Secours St Francis Xavier Hospital Inc
- 375 clinicians in this Medicare group
Mt Pleasant, SC 29466
- Reassigned Medicare billing, South Carolina enrollment
- 114 clinicians in this Medicare group
Summerville, SC 29486
- Reassigned Medicare billing, South Carolina enrollment
- 53 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 4 clinicians in this Medicare group
Peoria, IL 61603
- Reassigned Medicare billing, South Carolina enrollment
- 3 clinicians in this Medicare group
Rock Island, IL 61201
- Reassigned Medicare billing, South Carolina enrollment
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 264 clinicians in this Medicare group
Fort Dodge, IA 50501
- Reassigned Medicare billing, South Carolina enrollment
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 5
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.
Bon Secours-St Francis Xavier Hospital
Acute Care Hospitals · Charleston, SCRoper Hospital
Acute Care Hospitals · Charleston, SCMount Pleasant Hospital
Acute Care Hospitals · Mount Pleasant, SCOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLESTON, SC 29401
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 Stephen Harden's NPI number?
The NPI number for Stephen Harden is 1043623135. It was assigned to this individual provider in the NPPES registry on June 5, 2014.
Where is Stephen Harden located?
Stephen Harden practices at 316 Calhoun St, Charleston, SC 29401. The listed phone number is (843) 724-2000.
What is Stephen Harden's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephen Harden enrolled in Medicare?
Yes. Stephen Harden 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 Stephen Harden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Harden reassigns Medicare benefits to 10 organizations: Roper Hospital, Inc. (Charleston, SC), Anesthesia Associates Of Charleston, P.A. (Charleston, SC), Bon Secours St. Francis Xavier Hosptial, Inc. (Charleston, SC), Roper St. Francis Mount Pleasant Hospital (Mt Pleasant, SC), Roper St Francis Hospital-Berkeley Inc. (Summerville, SC) and 5 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 Stephen Harden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Harden accept?
Health plans from Taro Health list Stephen Harden 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 Stephen Harden affiliated with any hospitals?
According to CMS data, Stephen Harden is affiliated with Bon Secours-St Francis Xavier Hospital, Roper Hospital and Mount Pleasant Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Harden was last updated on May 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Stephen Mark Harden, MD · NPI 1043623135
Anesthesiology physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since June 5, 2014.
## Identity
- **NPI:** 1043623135 (Entity type: Individual)
- **Enumerated:** June 5, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 89244 (South Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 316 CALHOUN ST, Charleston, SC 29401-1125
- **Phone:** (843) 724-2000
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Roper Hospital, Inc. (NPI 1710915251, Charleston, SC); Anesthesia Associates Of Charleston, P.A. (NPI 1396776670, Charleston, SC); Bon Secours St. Francis Xavier Hosptial, Inc. (NPI 1578929634, Charleston, SC); Roper St. Francis Mount Pleasant Hospital (NPI 1629499298, Mt Pleasant, SC); Roper St Francis Hospital-Berkeley Inc. (NPI 1295534956, Summerville, SC); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 2010
## Record status
- **NPPES last updated:** May 19, 2024
- **Other identifiers:** Medicaid 892449 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1043623135) · Data from the CMS NPPES public registry.