WILLIAM GEORGE SABA NP
NPI 1881427243
Nurse Practitioner - Gerontology in Orange, CA
About William George Saba Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM GEORGE SABA NP (NPI 1881427243) is an individual gerontology provider in Orange, California, licensed in California (95031429) and active in the NPI registry since August 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
William George Saba Np 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
8Medicare enrollment records show William Saba reassigns Medicare billing to 8 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
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 47 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 250 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 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 William Saba's NPI number?
The NPI number for William Saba is 1881427243. It was assigned to this individual provider in the NPPES registry on August 21, 2024.
Where is William Saba located?
William Saba practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (951) 415-3690.
What is William Saba's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is William Saba enrolled in Medicare?
Yes. William Saba 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 William Saba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Saba reassigns Medicare benefits to 8 organizations: Regents Of The University Of California (Orange, CA), Regents Of The University Of California (Orange, CA), University Head & Neck Surgeons (Orange, CA), Uci Department Of Urology (Orange, CA), Regents Of The University Of (Orange, CA) and 3 more organizations, listed in the Medicare section above. 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 William Saba'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 William Saba was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# William George Saba, NP · NPI 1881427243
Gerontology physician in Orange, California. Individual provider, active in the CMS NPPES registry since August 21, 2024.
## Identity
- **NPI:** 1881427243 (Entity type: Individual)
- **Enumerated:** August 21, 2024
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 95031429 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (951) 415-3690
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1356304034, Orange, CA); Regents Of The University Of California (NPI 1356399703, Orange, CA); University Head & Neck Surgeons (NPI 1669437075, Orange, CA); Uci Department Of Urology (NPI 1255398533, Orange, CA); Regents Of The University Of (NPI 1487602546, Orange, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1881427243) · Data from the CMS NPPES public registry.