MATTHEW C WALLEN MD
NPI 1962442921
Emergency Medicine in Moncks Corner, SC
About Matthew C Wallen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW C WALLEN MD (NPI 1962442921) is an individual emergency medicine provider in Moncks Corner, South Carolina, licensed in South Carolina (023720) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Matthew C Wallen 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
4Medicare enrollment records show Matthew Wallen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Georgetown, SC 29440
- Reassigned Medicare billing, South Carolina enrollment
- 261 clinicians in this Medicare group
Murrells Inlet, SC 29576
- Reassigned Medicare billing, South Carolina enrollment
- 249 clinicians in this Medicare group
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Aiken, SC 29801
- Reassigned Medicare billing, South Carolina enrollment
- 187 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 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Musc Medical Center
Acute Care Hospitals · Charleston, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Matthew Wallen's NPI number?
The NPI number for Matthew Wallen is 1962442921. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Matthew Wallen located?
Matthew Wallen practices at 401 North Live Oak Drive, Moncks Corner, SC 29461. The listed phone number is (843) 761-8721.
What is Matthew Wallen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Wallen enrolled in Medicare?
Yes. Matthew Wallen 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 Matthew Wallen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Wallen reassigns Medicare benefits to 4 organizations: Georgetown Memorial Hospital (Georgetown, SC), Waccamaw Community Hospital (Murrells Inlet, SC), Musc Community Physicians (Bamberg, SC) and Sound Physicians Emergency Medicine Of South Carolina LLC (Aiken, 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 Matthew Wallen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Wallen accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care and Ambetter of North Carolina list Matthew Wallen 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 Matthew Wallen affiliated with any hospitals?
According to CMS data, Matthew Wallen is affiliated with Musc Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Wallen was last updated on April 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Matthew C Wallen, MD · NPI 1962442921
Emergency Medicine physician in Moncks Corner, South Carolina. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1962442921 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 023720 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 NORTH LIVE OAK DRIVE, Moncks Corner, SC 29461
- **Phone:** (843) 761-8721
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Georgetown Memorial Hospital (NPI 1982604021, Georgetown, SC); Waccamaw Community Hospital (NPI 1972503910, Murrells Inlet, SC); Musc Community Physicians (NPI 1841878006, Bamberg, SC); Sound Physicians Emergency Medicine Of South Carolina LLC (NPI 1730636168, Aiken, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** April 21, 2009
- **Other identifiers:** Medicaid 237201 (SC); Medicare PIN H786862987 (SC); Medicare PIN P00078328 (SC); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1962442921) · Data from the CMS NPPES public registry.