NATALIE LAURENCE AYOUB MD
NPI 1154947240
Obstetrics & Gynecology in Orange, CA
About Natalie Laurence Ayoub Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIE LAURENCE AYOUB MD (NPI 1154947240) is an individual obstetrics & gynecology provider in Orange, California, licensed in California (A178725) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Georgetown University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Natalie Laurence Ayoub 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.
Medicare Billing Reassignments
2Medicare enrollment records show Natalie Ayoub 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
- 149 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 255 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 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 Natalie Ayoub's NPI number?
The NPI number for Natalie Ayoub is 1154947240. It was assigned to this individual provider in the NPPES registry on June 24, 2020. The provider is also known as Natalie Laurence Shammas MD.
Where is Natalie Ayoub located?
Natalie Ayoub practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (800) 465-3203.
What is Natalie Ayoub's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Natalie Ayoub enrolled in Medicare?
Yes. Natalie Ayoub 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 Natalie Ayoub's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Ayoub reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Orange, CA) and University Of California Irvine (Santa Ana, 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 Natalie Ayoub'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 Natalie Ayoub was last updated on March 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Natalie Laurence Ayoub, MD · NPI 1154947240
Obstetrics & Gynecology physician in Orange, California. Individual provider, active in the CMS NPPES registry since June 24, 2020.
## Identity
- **NPI:** 1154947240 (Entity type: Individual)
- **Enumerated:** June 24, 2020
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A178725 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (800) 465-3203
## 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): Regents Of The University Of California (NPI 1356304034, Orange, CA); University Of California Irvine (NPI 1851325906, Santa Ana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** March 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1154947240) · Data from the CMS NPPES public registry.