Quick answers
- Does Marian E. Ajanaku accept Medicare assignment?
- Yes. Medicare's clinician data says Marian E. Ajanaku 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 Marian E. Ajanaku see?
- In 2024, CMS data shows 490 Original Medicare patients and 3,064 services for Marian E. Ajanaku. This counts Original Medicare only and measures volume, not quality.
- What is Marian E. Ajanaku's NPI number?
- 1811300551. 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 Marian E. Ajanaku, 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 | 490 |
|---|---|
| Services billed to Medicare | 3,064 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)2,767 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)128 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)103 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)63 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%
- Arthritis70%
- Diabetes49%
- Stroke or mini-stroke45%
- Chronic kidney disease44%
Hospitals where Marian E. Ajanaku works
Medicare's Facility Affiliation Data lists Marian E. Ajanaku 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.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210057
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210016
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210018
- Suburban HospitalBethesda, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210022
Practice locations
Addresses where Marian E. Ajanaku is enrolled with Medicare (CMS data updated October 2, 2026).
- 11890 Healing WaySilver Spring, MD 20904 (240) 637‑5070
Group practices
Medicare enrollment lists Marian E. Ajanaku as a member of this group (CMS data updated October 2, 2026).
- Usacs Integrated Acute Care Services of Maryland LLC179 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Other clinicians in Usacs Integrated Acute Care Services of Maryland LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811300551 |
| 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