1. Home
  2. Directory
  3. Texas
  4. Austin
  5. Radiology
  6. NPI Profile

DR. IFEANYICHUKWU C ONYEACHOLEM M.D.
NPI 1689812356
Radiology - Diagnostic Radiology in Austin, TX

Active since February 03, 2009PECOS EnrolledAccepts Medicare Assignment
12554 RIATA VISTA CIRCLE, AUSTIN, TX 78727(512) 795-5100(512) 795-5122 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2021, May 13, 2016 (2 updates tracked since 2016).

About Dr. Ifeanyichukwu C Onyeacholem M.d. NPPES

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

DR. IFEANYICHUKWU C ONYEACHOLEM M.D. (NPI 1689812356) is an individual diagnostic radiology provider in Austin, Texas, licensed in Texas (Q7587) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1689812356
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. IFEANYICHUKWU C ONYEACHOLEMCredential: M.D.
Location Address12554 RIATA VISTA CIRCLEAustin, TX 78727-6431
Mailing Address12554 Riata Vista CircleAustin, TX 78727-6431 · (512) 795-5100 · Fax (512) 795-5122
Phone(512) 795-5100
Fax(512) 795-5122
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateFebruary 3, 2009
Last NPPES UpdateDecember 1, 20212 updates tracked since enumeration
NPPES CertifiedDecember 1, 2021
✔ NPI 1689812356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in TX · Q7587✔ Licensed in CA · A111436
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedInternal MedicineTaxonomy 207R00000X · License 57014972 (OH)
12554 RIATA VISTA CIRCLE, Austin, TX 78727
Open in Google Maps ↗

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. Ifeanyichukwu C Onyeacholem 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.

PECOS PAC ID9436390770
PECOS Enrollment IDI20130729000534
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 Reassignment

Medicare enrollment records show Ifeanyichukwu Onyeacholem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1,147 mi
Health Maintenance Organization
3527 W FLORIDA AVE
Hemet, CA 92545
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1225060742 (California)
  • 5,228 clinicians in this Medicare group
NPI 1013433465 (877) 608-0044

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

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.

Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
44 services44 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78727 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
Most-billed visit code 99213
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 7

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

JASON R. WALLACE M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
DR. MICHAEL TROY HARPER M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
DR. GORDON A. WITWER M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
RYAN W VANCURA M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
JOHN R MIREUR M.D.
Radiology (Neuroradiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
DR. AMITA KAMATH M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100
GENE E. BEISERT M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIRCLE
AUSTIN, TX 78727
Travis County (512) 795-5100

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 Ifeanyichukwu Onyeacholem's NPI number?

The NPI number for Ifeanyichukwu Onyeacholem is 1689812356. It was assigned to this individual provider in the NPPES registry on February 3, 2009.

Where is Ifeanyichukwu Onyeacholem located?

Ifeanyichukwu Onyeacholem practices at 12554 Riata Vista Circle, Austin, TX 78727. The listed phone number is (512) 795-5100.

What is Ifeanyichukwu Onyeacholem's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ifeanyichukwu Onyeacholem enrolled in Medicare?

Yes. Ifeanyichukwu Onyeacholem 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 organization bills Medicare for Ifeanyichukwu Onyeacholem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ifeanyichukwu Onyeacholem reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). The 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 Ifeanyichukwu Onyeacholem'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 Ifeanyichukwu Onyeacholem was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.