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DR. MICHELLE CHIEMI OMURA M.D.
NPI 1780870956
Radiology - Diagnostic Radiology in Riverside, CA

Active since September 20, 2007PECOS EnrolledAccepts Medicare Assignment
75.81/100
CMS Quality Rating
10111 HOLE AVE, RIVERSIDE, CA 92503(951) 352-0555 Get Directions Write a Review

NPPES record last updated: January 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Michelle Chiemi Omura M.d. NPPES

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

DR. MICHELLE CHIEMI OMURA M.D. (NPI 1780870956) is an individual diagnostic radiology provider in Riverside, California, licensed in California (A101365) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2006).

NPPES Registry Identity

NPI1780870956
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MICHELLE CHIEMI OMURACredential: M.D.
Location Address10111 HOLE AVERiverside, CA 92503-3441
Mailing Address10111 Hole AveRiverside, CA 92503-3441 · (310) 985-4548
Phone(951) 352-0555
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2006
Enumeration DateSeptember 20, 2007
Last NPPES UpdateJanuary 14, 2021
NPPES CertifiedJanuary 14, 2021
✔ NPI 1780870956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A101365
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
10111 HOLE AVE, Riverside, CA 92503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Blue Cross Blue Shield of Arizona.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

Dr. Michelle Chiemi Omura 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 ID5597943506
PECOS Enrollment IDI20110622000276
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

4

Medicare enrollment records show Michelle Omura reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Diagnostics Of California A Professional Corporation
Same address
Diagnostic Radiology
10111 HOLE AVE
Riverside, CA 92503
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1245861368 (California)
  • 67 clinicians in this Medicare group
NPI 1407487531 (951) 352-0555
Regents Of The University Of California
82 mi
Diagnostic Radiology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 360 clinicians in this Medicare group
NPI 1558463927 (800) 926-8273
Smi Imaging, LLC
319 mi
Diagnostic Radiology
6740 E CAMELBACK RD STE 100
Scottsdale, AZ 85251
  • Reassigned Medicare billing, California enrollment
  • 79 clinicians in this Medicare group
NPI 1972004489 (602) 651-1945
Simonmed Imaging Florida LLC
2,105 mi
Diagnostic Radiology
14302 BRUCE B DOWNS BLVD
Tampa, FL 33613
  • Reassigned Medicare billing, California enrollment
  • 77 clinicians in this Medicare group
NPI 1477830818 (813) 979-7580

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 12

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.

Mri scan of leg joint without contrast 73721
An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.
378 services360 patients
Mri scan of arm joint without contrast 73221
An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.
297 services276 patients
Mri scan of leg without contrast 73718
An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.
127 services113 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
120 services119 patients
Ct scan of leg without contrast 73700
A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.
118 services112 patients
Ct scan of arm without contrast 73200
A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.
109 services101 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92503 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

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.

75.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70
Improvement Activities40

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.

HEALTH DIAGNOSTICS OF CALIFORNIA A PROFESSIONAL CORPORATION
Radiology (Diagnostic Radiology)
10111 HOLE AVE
RIVERSIDE, CA 92503
Riverside County (951) 352-0555
RIVERSIDE MEDICAL IMAGING, L.L.C.
Physiological Laboratory
10111 HOLE AVE
RIVERSIDE, CA 92503
Riverside County (951) 352-0555

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 Michelle Omura's NPI number?

The NPI number for Michelle Omura is 1780870956. It was assigned to this individual provider in the NPPES registry on September 20, 2007.

Where is Michelle Omura located?

Michelle Omura practices at 10111 Hole Ave, Riverside, CA 92503. The listed phone number is (951) 352-0555.

What is Michelle Omura's specialty?

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

Is Michelle Omura enrolled in Medicare?

Yes. Michelle Omura 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 Michelle Omura's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Omura reassigns Medicare benefits to 4 organizations: Health Diagnostics Of California A Professional Corporation (Riverside, CA), Regents Of The University Of California (San Diego, CA), Smi Imaging, LLC (Scottsdale, AZ) and Simonmed Imaging Florida LLC (Tampa, FL). 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 Michelle Omura's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Omura accept?

Health plans from Ambetter Health, Ambetter of Alabama and Blue Cross Blue Shield of Arizona list Michelle Omura 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.

When was this NPI record last updated?

The NPPES record for Michelle Omura was last updated on January 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.