OMAR NAGY DO
NPI 1285194092
Internal Medicine in Orange, CA
About Omar Nagy Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OMAR NAGY DO (NPI 1285194092) is an individual internal medicine provider in Orange, California, licensed in California (20A19490) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Omar Nagy Do 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
2Medicare enrollment records show Omar Nagy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 250 clinicians in this Medicare group
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 48 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Omar Nagy's NPI number?
The NPI number for Omar Nagy is 1285194092. It was assigned to this individual provider in the NPPES registry on March 20, 2019.
Where is Omar Nagy located?
Omar Nagy practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.
What is Omar Nagy's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Omar Nagy enrolled in Medicare?
Yes. Omar Nagy 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 Omar Nagy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Omar Nagy reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California-Irvine (Orange, CA) and Alertive Healthcare Medical Group Apc (Riverside, CA). 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 Omar Nagy'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 Omar Nagy was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Omar Nagy, DO · NPI 1285194092
Internal Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 20, 2019.
## Identity
- **NPI:** 1285194092 (Entity type: Individual)
- **Enumerated:** March 20, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A19490 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-8888
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California-Irvine (NPI 1154479723, Orange, CA); Alertive Healthcare Medical Group Apc (NPI 1467024331, Riverside, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** April 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1285194092) · Data from the CMS NPPES public registry.