DR. OTUOMASIRICHI EUDORAH ONYEMA DNP, MPH, FNP-BC
NPI 1861048225
Nurse Practitioner - Family in Saint Louis, MO

Active since August 12, 2019PECOS EnrolledAccepts Medicare Assignment
3863A GRAVOIS AVE, SAINT LOUIS, MO 63116(314) 888-0981(314) 442-7794 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2026, Dec 3, 2025, Feb 5, 2025 and 3 more (6 updates tracked since 2019).

About Dr. Otuomasirichi Eudorah Onyema Dnp, Mph, Fnp-bc NPPES

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

DR. OTUOMASIRICHI EUDORAH ONYEMA DNP, MPH, FNP-BC (NPI 1861048225) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2019031652) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Columbia School Of Medicine (2019).

NPPES Registry Identity

NPI1861048225
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. OTUOMASIRICHI EUDORAH ONYEMACredential: DNP, MPH, FNP-BC
Location Address3863A GRAVOIS AVESaint Louis, MO 63116-4657
Mailing AddressPo Box 740019Atlanta, GA 30374-0019
Fax(314) 442-7794
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2019
Enumeration DateAugust 12, 2019
Last NPPES UpdateJuly 23, 20266 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1861048225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2019031652
3863A GRAVOIS AVE, Saint Louis, MO 63116

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

Dr. Otuomasirichi Eudorah Onyema Dnp, Mph, Fnp-bc 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 ID6709842073
PECOS Enrollment IDI20191112000991
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Otuomasirichi Onyema reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
2425 WHITTIER ST
Saint Louis, MO 63113
  • Reassigned Medicare billing, Missouri enrollment
  • 41 clinicians in this Medicare group
Primary Care
3451 UNION BLVD
Saint Louis, MO 63115
  • Reassigned Medicare billing, Missouri enrollment
  • 33 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63116 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
3863A GRAVOIS AVE
SAINT LOUIS, MO 63116
Family Medicine
3863A GRAVOIS AVE
SAINT LOUIS, MO 63116

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 Otuomasirichi Onyema's NPI number?

The NPI number for Otuomasirichi Onyema is 1861048225. It was assigned to this individual provider in the NPPES registry on August 12, 2019.

Where is Otuomasirichi Onyema located?

Otuomasirichi Onyema practices at 3863A Gravois Ave, Saint Louis, MO 63116. The listed phone number is (314) 888-0981.

What is Otuomasirichi Onyema's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Otuomasirichi Onyema enrolled in Medicare?

Yes. Otuomasirichi Onyema 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 Otuomasirichi Onyema's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Otuomasirichi Onyema reassigns Medicare benefits to 2 organizations: Carestl Health (Saint Louis, MO) and Oak Street Health Physicians Group Of Missouri, LLC (Saint Louis, MO). 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 Otuomasirichi Onyema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Otuomasirichi Onyema was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.