Quick answers
- Does Ewere O. Osian-Dugan accept Medicare assignment?
- Yes. Medicare's clinician data says Ewere O. Osian-Dugan 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 Ewere O. Osian-Dugan see?
- In 2024, CMS data shows 24 Original Medicare patients and 232 services for Ewere O. Osian-Dugan. This counts Original Medicare only and measures volume, not quality.
- What is Ewere O. Osian-Dugan's NPI number?
- 1639494057. 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 Ewere O. Osian-Dugan, 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 | 24 |
|---|---|
| Services billed to Medicare | 232 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 54 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)109 services
- Psychotherapy, 45 minutes (90834)89 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).
- Depression75%
- Anxiety75%
- High blood pressure50%
- High cholesterol50%
Practice locations
Addresses where Ewere O. Osian-Dugan is enrolled with Medicare (CMS data updated October 2, 2026).
- 5124 Greenwich AveBaltimore, MD 21229
- 6999 Reisterstown RdBaltimore, MD 21215 (667) 600‑3210
Group practices
Medicare enrollment lists Ewere O. Osian-Dugan as a member of these groups (CMS data updated October 2, 2026).
- Associated Catholic Charities Inc42 clinicians in the group
- Baltimore Crisis Response, Inc6 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Associated Catholic Charities Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639494057 |
| 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