OMAR MAHMOUD ALDAAS M.D.
NPI 1013448364
Hospitalist in San Diego, CA
About Omar Mahmoud Aldaas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OMAR MAHMOUD ALDAAS M.D. (NPI 1013448364) is an individual hospitalist provider in San Diego, California, licensed in California (A159272) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in La Jolla, and is a graduate of Un Of California, Riverside, School Of Medicine (2017).
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 Mahmoud Aldaas 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.
Medicare Billing Reassignments
2Medicare enrollment records show Omar Aldaas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 1,051 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 5,228 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 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Aldaas's NPI number?
The NPI number for Omar Aldaas is 1013448364. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Omar Aldaas located?
Omar Aldaas practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (619) 543-6268.
What is Omar Aldaas's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Omar Aldaas enrolled in Medicare?
Yes. Omar Aldaas 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 Aldaas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Omar Aldaas reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (San Diego, CA) and Southern California Permanente Medical Group (San Diego, 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 Aldaas'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 Aldaas was last updated on September 10, 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.
# Omar Mahmoud Aldaas, M.D. · NPI 1013448364
Hospitalist physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1013448364 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A159272 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (619) 543-6268
## 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 1487772380, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Riverside, School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1013448364) · Data from the CMS NPPES public registry.