Quick answers
- Does Oluwasayo Adeyemo accept Medicare assignment?
- Yes. Medicare's clinician data says Oluwasayo Adeyemo 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 Oluwasayo Adeyemo see?
- In 2024, CMS data shows 604 Original Medicare patients and 1,181 services for Oluwasayo Adeyemo. This counts Original Medicare only and measures volume, not quality.
- What is Oluwasayo Adeyemo's NPI number?
- 1205221777. 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 Oluwasayo Adeyemo, 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 | 604 |
|---|---|
| Services billed to Medicare | 1,181 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)344 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)122 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)122 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)117 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)108 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%
- Diabetes36%
- Depression33%
- Anxiety33%
Hospitals where Oluwasayo Adeyemo works
Medicare's Facility Affiliation Data lists Oluwasayo Adeyemo 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.
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210049
- WellSpan York HospitalYork, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390046
Practice locations
Addresses where Oluwasayo Adeyemo is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Walter Ward Blvd, Suite 100Abingdon, MD 21009 (443) 483‑3022
- 2350 Freedom Way, 200 Wellspan Digestive HealthYork, PA 17402 (717) 812‑5120
Group practices
Medicare enrollment lists Oluwasayo Adeyemo as a member of these groups (CMS data updated October 2, 2026).
- WellSpan Medical Group2,480 clinicians in the group
- Harford Gastroenterology Associates PA9 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in WellSpan Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205221777 |
| 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