AHMED ISAM GARIEBALLA MBBS
NPI 1255913950
General Acute Care Hospital in Oakland, CA
About Ahmed Isam Garieballa Mbbs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AHMED ISAM GARIEBALLA MBBS (NPI 1255913950) is an individual general acute care hospital provider in Oakland, California, licensed in California (A192700) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Ahmed Isam Garieballa Mbbs 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 Reassignment
Medicare enrollment records show Ahmed Garieballa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 22 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
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.
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.
OAKLAND, CA 94602
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 Ahmed Garieballa's NPI number?
The NPI number for Ahmed Garieballa is 1255913950. It was assigned to this individual provider in the NPPES registry on April 22, 2021.
Where is Ahmed Garieballa located?
Ahmed Garieballa practices at 1411 E 31st St, Oakland, CA 94602. The listed phone number is (510) 437-5039.
What is Ahmed Garieballa's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Ahmed Garieballa enrolled in Medicare?
Yes. Ahmed Garieballa 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 organization bills Medicare for Ahmed Garieballa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahmed Garieballa reassigns Medicare benefits to Alameda Inpatient Medical Inc (Alameda, CA). The 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 Ahmed Garieballa'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 Ahmed Garieballa was last updated on June 17, 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.
# Ahmed Isam Garieballa, MBBS · NPI 1255913950
General Acute Care Hospital provider in Oakland, California. Individual provider, active in the CMS NPPES registry since April 22, 2021.
## Identity
- **NPI:** 1255913950 (Entity type: Individual)
- **Enumerated:** April 22, 2021
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **State license:** A192700 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1411 E 31ST ST, Oakland, CA 94602-1018
- **Phone:** (510) 437-5039
## 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:** Alameda Inpatient Medical Inc (NPI 1588673750, Alameda, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 17, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1255913950) · Data from the CMS NPPES public registry.