Quick answers
- Does Fredrick N. Southern accept Medicare assignment?
- Yes. Medicare's clinician data says Fredrick N. Southern accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Fredrick N. Southern see?
- In 2024, CMS data shows 543 Original Medicare patients and 5,173 services for Fredrick N. Southern. This counts Original Medicare only and measures volume, not quality.
- What is Fredrick N. Southern's NPI number?
- 1154381333. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Fredrick N. Southern, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 543 |
|---|---|
| Services billed to Medicare | 5,173 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,860 services
- Ultrasound study of arm and leg arteries (93922)346 services
- Ultrasound of leg arteries or artery grafts (93925)249 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)188 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)162 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes47%
- Ischemic heart disease38%
- Chronic kidney disease37%
Practice locations
Addresses where Fredrick N. Southern is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 1101 Battlefield Blvd NChesapeake, VA 23320 (844) 333‑8411
- 15100 Washington St, Suite 203Haymarket, VA 20169 (888) 628‑8272
- 3509 Granby StNorfolk, VA 23504 (888) 628‑8272
- 420 S Main St, Suite CEmporia, VA 23847 (888) 628‑8272
- 477 Viking Dr, Suite 430Virginia Beach, VA 23452 (888) 628‑8272
Group practices
Medicare enrollment lists Fredrick N. Southern as a member of this group (CMS data updated October 2, 2026).
- Mountain Spring Vascular LLC30 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Other clinicians in Mountain Spring Vascular LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154381333 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians