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YVONNE N OSEIWE-WILLIAMS MD
NPI 1538301676
Emergency Medicine in Baltimore, MD

Active since April 06, 2009PECOS EnrolledAccepts Medicare Assignment
73.64/100
CMS Quality Rating
20 FIRST LIGHT CT, BALTIMORE, MD 21237(443) 742-4516 Get Directions Write a Review

NPPES record last updated: June 16, 2021. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Yvonne N Oseiwe-williams Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YVONNE N OSEIWE-WILLIAMS MD (NPI 1538301676) is an individual emergency medicine provider in Baltimore, Maryland, licensed in Maryland (D73679) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Virtua Mount Holly Hospital, and is a graduate of Pennsylvania State University College Of Medicine (2009).

NPPES Registry Identity

NPI1538301676
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameYVONNE N OSEIWE-WILLIAMSCredential: MD
Location Address20 FIRST LIGHT CTBaltimore, MD 21237-2166
Mailing Address20 First Light CtBaltimore, MD 21237-2166 · (443) 742-4516
Phone(443) 742-4516
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 2009
Enumeration DateApril 6, 2009
Last NPPES UpdateJune 16, 2021
NPPES CertifiedJune 16, 2021
✔ NPI 1538301676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MD · D73679✔ Licensed in NJ · 25MA09510400
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
20 FIRST LIGHT CT, Baltimore, MD 21237
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Other Names 1

Former Name (1)Yvonne Ezeala

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yvonne N Oseiwe-williams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688839038
PECOS Enrollment IDI20140909001717
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
453 services409 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
136 services134 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
30 services28 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Virtua Mount Holly Hospital

Acute Care Hospitals · Mount Holly, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310057
Location175 Madison AveMount Holly, NJ 08060 · Burlington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21237 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality65
Improvement Activities40
Cost49.06

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yvonne Oseiwe-williams's NPI number?

The NPI number for Yvonne Oseiwe-williams is 1538301676. It was assigned to this individual provider in the NPPES registry on April 6, 2009. The provider is also known as Yvonne Ezeala.

Where is Yvonne Oseiwe-williams located?

Yvonne Oseiwe-williams practices at 20 First Light Ct, Baltimore, MD 21237. The listed phone number is (443) 742-4516.

What is Yvonne Oseiwe-williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Yvonne Oseiwe-williams enrolled in Medicare?

Yes. Yvonne Oseiwe-williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Yvonne Oseiwe-williams affiliated with any hospitals?

According to CMS data, Yvonne Oseiwe-williams is affiliated with Virtua Mount Holly Hospital.

When was this NPI record last updated?

The NPPES record for Yvonne Oseiwe-williams was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.