Quick answers
- Does Oluwaseun E. Fashanu accept Medicare assignment?
- Yes. Medicare's clinician data says Oluwaseun E. Fashanu 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 Oluwaseun E. Fashanu see?
- In 2024, CMS data shows 1,108 Original Medicare patients and 1,689 services for Oluwaseun E. Fashanu. This counts Original Medicare only and measures volume, not quality.
- What is Oluwaseun E. Fashanu's NPI number?
- 1700381704. 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 Oluwaseun E. Fashanu, 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 | 1,108 |
|---|---|
| Services billed to Medicare | 1,689 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)924 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)253 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)63 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)50 services
- Ultrasound of heart blood flow, valves and chambers, follow-up (93321)39 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%
- Arthritis52%
- Ischemic heart disease49%
- Heart failure39%
- Anxiety36%
Hospitals where Oluwaseun E. Fashanu works
Medicare's Facility Affiliation Data lists Oluwaseun E. Fashanu 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.
- Perham HealthPerham, MN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 241373
- Riverview HospitalCrookston, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241320
- Sanford MayvilleMayville, ND · Critical Access Hospital · Emergency services: listed by Medicare · CCN 351309
- Sanford Medical Center BismarckBismarck, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350015
- Sanford Medical Center FargoFargo, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350011
Practice locations
Addresses where Oluwaseun E. Fashanu is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1220 Sheyenne StWest Fargo, ND 58078 (701) 234‑4445
- 21 Wiley Ave SLidgerwood, ND 58053 (701) 538‑4189
- 300 2nd Ave NEJamestown, ND 58401 (701) 251‑6000
- 420 S 7th StOakes, ND 58474 (701) 742‑3267
- 520 Chautauqua BlvdValley City, ND 58072 (701) 845‑6000
Group practices
Medicare enrollment lists Oluwaseun E. Fashanu as a member of this group (CMS data updated October 2, 2026).
- Sanford Medical Center Fargo1,225 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in North Dakota →
Other cardiologists in West Fargo
Clinicians with the same Medicare primary specialty in West Fargo, ND — not a recommendation.
Other clinicians in Sanford Medical Center Fargo
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700381704 |
| 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