ALI MEHDIZADEH MD
NPI 1114151719
Anesthesiology - Critical Care Medicine in Loma Linda, CA
About Ali Mehdizadeh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALI MEHDIZADEH MD (NPI 1114151719) is an individual critical care medicine provider in Loma Linda, California, licensed in California (A113137) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
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
Ali Mehdizadeh 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
4Medicare enrollment records show Ali Mehdizadeh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92354
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Glendale, CA 91201
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
El Segundo, CA 90245
- Reassigned Medicare billing, California enrollment
- 53 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 11
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 Ali Mehdizadeh's NPI number?
The NPI number for Ali Mehdizadeh is 1114151719. It was assigned to this individual provider in the NPPES registry on May 11, 2009.
Where is Ali Mehdizadeh located?
Ali Mehdizadeh practices at 11234 Anderson St House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-8131.
What is Ali Mehdizadeh's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Ali Mehdizadeh enrolled in Medicare?
Yes. Ali Mehdizadeh 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 Ali Mehdizadeh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ali Mehdizadeh reassigns Medicare benefits to 4 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), Vista Critical Care Associates Inc (Glendale, CA) and Robert Marriott Medical Corp (El Segundo, 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 Ali Mehdizadeh'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 Ali Mehdizadeh was last updated on April 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.