Mark Sandefur, M.D.
NPI 1427083971 · Anesthesiology Physician · Flowood, MS
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sandefur, M.D. is a Anesthesiology Physician provider in Flowood, MS (NPI 1427083971).
Provider details
- NPI number
- 1427083971
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12154 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
625 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 102 | $57 |
| Anesthesia for Lens Surgery00142 | 99 | $100 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 76 | $127 |
| Ultrasonic Guidance for Needle Placement76942 | 57 | $28 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 43 | $82 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 34 | $66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Sandefur's NPI number?
- Mark Sandefur's National Provider Identifier (NPI) is 1427083971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sandefur's specialty?
- Mark Sandefur is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sandefur located?
- Mark Sandefur's practice location on file with NPPES is 2550 Flowood Dr, Flowood, MS 39232-9303.
- What is Mark Sandefur's phone number?
- The practice phone number listed in the NPPES registry for Mark Sandefur is (601) 933-9521.
- Does Mark Sandefur accept Medicare?
- Mark Sandefur is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sandefur's NPI active?
- Yes — Mark Sandefur's NPI (1427083971) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.