DR. ARDALAN ALEN NOURIAN MD
NPI 1811224405
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Moorpark, CA
About Dr. Ardalan Alen Nourian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARDALAN ALEN NOURIAN MD (NPI 1811224405) is an individual orthopaedic surgery of the spine provider in Moorpark, California, licensed in California (A128908) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Southern California Keck School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 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
Dr. Ardalan Alen Nourian 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 Reassignment
Medicare enrollment records show Ardalan Nourian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Moorpark, CA 93021
- Reassigned Medicare billing, California enrollment
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 3
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOORPARK, CA 93021
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 Ardalan Nourian's NPI number?
The NPI number for Ardalan Nourian is 1811224405. It was assigned to this individual provider in the NPPES registry on November 3, 2009. The provider is also known as Dr. Alen Nourian MD.
Where is Ardalan Nourian located?
Ardalan Nourian practices at 301 Science Dr Ste 190, Moorpark, CA 93021. The listed phone number is (310) 702-1872.
What is Ardalan Nourian's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Ardalan Nourian enrolled in Medicare?
Yes. Ardalan Nourian 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 Ardalan Nourian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ardalan Nourian reassigns Medicare benefits to Ardalan Alen Nourian, MD, Apc (Moorpark, 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 Ardalan Nourian'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 Ardalan Nourian was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Ardalan Alen Nourian, MD · NPI 1811224405
Orthopaedic Surgery of the Spine physician in Moorpark, California. Individual provider, active in the CMS NPPES registry since November 3, 2009.
## Identity
- **NPI:** 1811224405 (Entity type: Individual)
- **Enumerated:** November 3, 2009
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** A128908 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 301 SCIENCE DR STE 190, Moorpark, CA 93021-0800
- **Phone:** (310) 702-1872 · **Fax:** (310) 606-2039
## 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:** Ardalan Alen Nourian, MD, Apc (NPI 1477147965, Moorpark, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other A128908 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1811224405) · Data from the CMS NPPES public registry.