DR. MARK V SANDEFUR M.D.
NPI 1427083971
Anesthesiology in Flowood, MS
About Dr. Mark V Sandefur M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK V SANDEFUR M.D. (NPI 1427083971) is an individual anesthesiology provider in Flowood, Mississippi, licensed in Mississippi (12154) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Merit Health River Region, and is a graduate of Mississippi Medical College (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Mark V Sandefur M.d. 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 Reassignment
Medicare enrollment records show Mark Sandefur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, MS 39208
- Reassigned Medicare billing, Mississippi enrollment
- 154 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 16
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.
Merit Health River Region
Acute Care Hospitals · Vicksburg, MSMerit Health Women's Hospital
Acute Care Hospitals · Flowood, MSMerit Health River Oaks
Acute Care Hospitals · Flowood, MSOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLOWOOD, MS 39232
FLOWOOD, MS 39232
FLOWOOD, MS 39232
FLOWOOD, MS 39232
FLOWOOD, MS 39232
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 Mark Sandefur's NPI number?
The NPI number for Mark Sandefur is 1427083971. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is Mark Sandefur located?
Mark Sandefur practices at 2550 Flowood Dr Suite 400, Flowood, MS 39232. The listed phone number is (601) 933-9521.
What is Mark Sandefur's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Sandefur enrolled in Medicare?
Yes. Mark Sandefur 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 organization bills Medicare for Mark Sandefur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sandefur reassigns Medicare benefits to Anesthesia Consultants PA (Jackson, MS). 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 Mark Sandefur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Sandefur accept?
Health plans from Blue Cross and Blue Shield of Alabama, Molina Healthcare and Oscar Health Plan, Inc. list Mark Sandefur 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 Mark Sandefur affiliated with any hospitals?
According to CMS data, Mark Sandefur is affiliated with Merit Health River Region, Merit Health Women's Hospital and Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for Mark Sandefur was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.