Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Yvonne N Oseiwe-Williams, MD

Individual provider Emergency Medicine Physician · NPI 1538301676

Yvonne N Oseiwe-Williams, MD practises Emergency Medicine in Baltimore, Maryland. Graduated from Pennsylvania State University College of Medicine in 2009, 17 years ago. Practices with Emergency Physician Services of New Jersey, Professional Association, a 51-clinician group and accepts Medicare assignment. Licensed in Maryland and New Jersey.

Years since qualifying
17
Trained at
Pennsylvania State University College of Medicine
Licensed in
MD, NJ
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

20 First Light Ct
Baltimore, MD 21237-2166
Phone: (443) 742-4516
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence D73679 (MD)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 25MA09510400 (NJ)

Record details

NPI number1538301676
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2009
Last updated in NPPESJune 16, 2021
Certification dateJune 16, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Emergency Physician Services Of New Jersey,Professional Association — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients562
Services billed 659 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Virtua Mount Holly Hospital Hospital · Mount Holly, NJ

Colleagues at Emergency Physician Services of New Jersey, Professional Association

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 51 clinicians in the practice; 12 are shown here.

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