Quick answers
- Does Basil D. Fossum accept Medicare assignment?
- Yes. Medicare's clinician data says Basil D. Fossum 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 Basil D. Fossum see?
- In 2024, CMS data shows 567 Original Medicare patients and 14,527 services for Basil D. Fossum. This counts Original Medicare only and measures volume, not quality.
- What is Basil D. Fossum's NPI number?
- 1821043811. 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 Basil D. Fossum, 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 | 567 |
|---|---|
| Services billed to Medicare | 14,527 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Manual urinalysis test with examination using microscope, automated (81001)707 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)461 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)263 services
- Insertion of needle into vein for collection of blood sample (36415)109 services
- Leuprolide acetate (for depot suspension), 7.5 mg (J9217)69 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%
- Arthritis55%
- Chronic kidney disease41%
- Ischemic heart disease39%
- Diabetes34%
Hospitals where Basil D. Fossum works
Medicare's Facility Affiliation Data lists Basil D. Fossum at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- HCA Florida Twin Cities HospitalNiceville, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100054
Practice locations
Addresses where Basil D. Fossum is enrolled with Medicare (CMS data updated October 2, 2026).
- 914 A Mar Walt DrFort Walton Beach, FL 32547 (850) 862‑2555
Specialties
- Urologyprimary
Other urologists in Fort Walton Beach
Clinicians with the same Medicare primary specialty in Fort Walton Beach, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1972 (54 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821043811 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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