CHINEDU OLISAEMEKA EJIKE M.D.
NPI 1831415637
Internal Medicine - Pulmonary Disease in Ann Arbor, MI
About Chinedu Olisaemeka Ejike M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHINEDU OLISAEMEKA EJIKE M.D. (NPI 1831415637) is an individual pulmonary disease provider in Ann Arbor, Michigan, licensed in Ohio (35.120851) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Evansville, and maintains 13 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 13
Other Identifiers 2
Accepted Insurance
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
Chinedu Olisaemeka Ejike M.d. 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
10Medicare enrollment records show Chinedu Ejike reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, OH 45504
- Reassigned Medicare billing, Ohio enrollment
- 494 clinicians in this Medicare group
Zanesville, OH 43701
- Reassigned Medicare billing, Ohio enrollment
- 300 clinicians in this Medicare group
Evansville, IN 47714
- Reassigned Medicare billing, Indiana enrollment
- 34 clinicians in this Medicare group
Myersville, MD 21773
- Reassigned Medicare billing, Maryland enrollment
- 245 clinicians in this Medicare group
Glasgow, KY 42141
- Reassigned Medicare billing, Kentucky enrollment
- 323 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 80 clinicians in this Medicare group
Crofton, KY 42217
- Reassigned Medicare billing, Kentucky enrollment
- 169 clinicians in this Medicare group
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 372 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, District of Columbia enrollment
- 347 clinicians in this Medicare group
Clyde, NC 28721
- Reassigned Medicare billing, North Carolina enrollment
- 456 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 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Evansville
Acute Care Hospitals · Evansville, INT J Samson Community Hospital
Acute Care Hospitals · Glasgow, KYHarris Regional Hospital
Acute Care Hospitals · Sylva, NCPhysician 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.
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.
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 Chinedu Ejike's NPI number?
The NPI number for Chinedu Ejike is 1831415637. It was assigned to this individual provider in the NPPES registry on April 19, 2010.
Where is Chinedu Ejike located?
Chinedu Ejike practices at 1500 E Medical Center Drive B1 Floor Taubman Center Recp Mos Rm 126, Ann Arbor, MI 48109. The listed phone number is (734) 232-2867.
What is Chinedu Ejike's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Chinedu Ejike enrolled in Medicare?
Yes. Chinedu Ejike 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 Chinedu Ejike's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chinedu Ejike reassigns Medicare benefits to 10 organizations: Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH), Genesis Medical Group LLC (Zanesville, OH), Cep America - Intensivists PC (Evansville, IN), Frederick Health Medical Group LLC (Myersville, MD), T J Samson Community Hospital (Glasgow, KY) and 5 more organizations, listed in the Medicare section above. 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 Chinedu Ejike's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chinedu Ejike accept?
Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of NC and 1 other insurer list Chinedu Ejike as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Chinedu Ejike affiliated with any hospitals?
According to CMS data, Chinedu Ejike is affiliated with Ascension St Vincent Evansville, T J Samson Community Hospital and Harris Regional Hospital.
When was this NPI record last updated?
The NPPES record for Chinedu Ejike was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Chinedu Olisaemeka Ejike, M.D. · NPI 1831415637
Pulmonary Disease physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 19, 2010.
## Identity
- **NPI:** 1831415637 (Entity type: Individual)
- **Enumerated:** April 19, 2010
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 35.120851 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DRIVE, B1 FLOOR TAUBMAN CENTER RECP MOS RM 126, Ann Arbor, MI 48109-5317
- **Phone:** (734) 232-2867
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Usacs Integrated Acute Care Services Of Ohio, LLC (NPI 1043805690, Springfield, OH); Genesis Medical Group LLC (NPI 1063663433, Zanesville, OH); Cep America - Intensivists PC (NPI 1851228431, Evansville, IN); Frederick Health Medical Group LLC (NPI 1679397103, Myersville, MD); T J Samson Community Hospital (NPI 1093752040, Glasgow, KY); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** May 27, 2026
- **Other identifiers:** Other 35.120851 (OH); Other D0085059 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1831415637) · Data from the CMS NPPES public registry.