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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NONYEM ONUJIOGU MD
NPI 1124262522
Obstetrics & Gynecology - Gynecologic Oncology in South Bend, IN

Active since April 29, 2009PECOS Enrolled
615 N MICHIGAN ST, SOUTH BEND, IN 46601(574) 647-1100(574) 647-3148 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, Mar 28, 2025, Mar 31, 2021 and 1 more (4 updates tracked since 2017).

About Nonyem Onujiogu Md NPPES

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

NONYEM ONUJIOGU MD (NPI 1124262522) is an individual gynecologic oncology provider in South Bend, Indiana, licensed in Indiana (01075029A) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and maintains a secondary practice location in South Bend.

NPPES Registry Identity

NPI1124262522
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameNONYEM ONUJIOGUCredential: MD
Location Address615 N MICHIGAN STSouth Bend, IN 46601-1087
Mailing Address3245 Health Dr Ste 100Granger, IN 46530-1380 · (574) 647-2129 · Fax (574) 237-6069
Phone(574) 647-1100
Fax(574) 647-3148
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateApril 29, 2009
Last NPPES UpdateJuly 14, 20264 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
✔ NPI 1124262522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License✔ Licensed in IN · 01075029A
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 01075029A (IN)
615 N MICHIGAN ST, South Bend, IN 46601
Open in Google Maps ↗

Secondary Practice Location 1

Location 1621 Memorial Dr Ste 100South Bend, IN 46601-1063 · Phone (574) 647-1100 · Fax (574) 647-5907

Other Identifiers 1

Medicaid201283350IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

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

Nonyem Onujiogu 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 ID446300586
PECOS Enrollment IDI20150504001106
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 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
134 services101 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
120 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
35 services34 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
18 services18 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Elkhart General Hospital

Acute Care Hospitals · Elkhart, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150018
Location600 E BlvdElkhart, IN 46514 · Elkhart County
Emergency services Birthing friendly

Memorial Hospital Of South Bend

Acute Care Hospitals · South Bend, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150058
Location615 N Michigan StSouth Bend, IN 46601 · St. Joseph County
Emergency services Birthing friendly

Saint Joseph Regional Medical Center - Plymouth

Acute Care Hospitals · Plymouth, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150076
Location1915 Lake AvePlymouth, IN 46563 · Marshall County
Emergency services

Lakeland Hospital, St Joseph

Acute Care Hospitals · St Joseph, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230021
Location1234 Napier AvenueSt Joseph, MI 49085 · Berrien County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46601 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
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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 20

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

AARON MICHAEL MOJICA CRNA
Nurse Anesthetist, Certified Registered
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 612-2476
RACHEL ANN JENNINGS NP
Nurse Practitioner
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-1000
DR. GEVORG MARTIROSYAN PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-3119
BRANDON WELLER MD
Ophthalmology
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-1000
MELINDA DEUBNER PHARMD
Pharmacist (Critical Care)
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-6302
MELISSA MARIE GLASER RN
Registered Nurse (Case Management)
615 N MICHIGAN ST, MEMORIAL HOSPITAL- COMMUNITY HEALTH ENHANCEMENT
SOUTH BEND, IN 46601
St. Joseph County (574) 647-2173
MRS. NANCY ANN TAGHON RD
Dietitian, Registered
615 N MICHIGAN ST
SOUTH BEND, IN 46601
St. Joseph County (574) 647-6351
DR. NICHOLAS HAROLD KERR DO
Family Medicine (Hospice and Palliative Medicine)
615 N MICHIGAN ST, 1ST FL HOSPITALIST STE
SOUTH BEND, IN 46601
St. Joseph County (574) 647-3050

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 Nonyem Onujiogu's NPI number?

The NPI number for Nonyem Onujiogu is 1124262522. It was assigned to this individual provider in the NPPES registry on April 29, 2009.

Where is Nonyem Onujiogu located?

Nonyem Onujiogu practices at 615 N Michigan St, South Bend, IN 46601. The listed phone number is (574) 647-1100.

What is Nonyem Onujiogu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Nonyem Onujiogu enrolled in Medicare?

Yes. Nonyem Onujiogu 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.

What insurance does Nonyem Onujiogu accept?

Health plans from CareSource list Nonyem Onujiogu 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 Nonyem Onujiogu affiliated with any hospitals?

According to CMS data, Nonyem Onujiogu is affiliated with Franciscan Health Michigan City, Elkhart General Hospital, Memorial Hospital Of South Bend, Saint Joseph Regional Medical Center - Plymouth and Lakeland Hospital, St Joseph.

When was this NPI record last updated?

The NPPES record for Nonyem Onujiogu was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.