DONNA K OKOLI MD
NPI 1205464088
Emergency Medicine in Ann Arbor, MI
About Donna K Okoli Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONNA K OKOLI MD (NPI 1205464088) is an individual emergency medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301509158) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Donna K Okoli 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.
Medicare Billing Reassignments
3Medicare enrollment records show Donna Okoli reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Donna Okoli's NPI number?
The NPI number for Donna Okoli is 1205464088. It was assigned to this individual provider in the NPPES registry on March 29, 2020. The provider is also known as Princess Donna Kezia Nebechuckwu Ekwua Okoli MD.
Where is Donna Okoli located?
Donna Okoli practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Donna Okoli's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Donna Okoli enrolled in Medicare?
Yes. Donna Okoli 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.
Which organizations bill Medicare for Donna Okoli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donna Okoli reassigns Medicare benefits to 3 organizations: Advocate Health And Hospitals Corp. (Chicago, IL), Central Dupage Emergency Physicians, PC (Winfield, IL) and Northwestern Medical Faculty Foundation (Carol Stream, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donna Okoli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Donna Okoli affiliated with any hospitals?
According to CMS data, Donna Okoli is affiliated with Advocate Trinity Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Donna Okoli was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Donna K Okoli, MD · NPI 1205464088
Emergency Medicine physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since March 29, 2020.
## Identity
- **NPI:** 1205464088 (Entity type: Individual)
- **Enumerated:** March 29, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301509158 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corp. (NPI 1487951711, Chicago, IL); Central Dupage Emergency Physicians, PC (NPI 1619074028, Winfield, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** March 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1205464088) · Data from the CMS NPPES public registry.