DR. NASIEM MARRIAM NIROUMAND M.D.
NPI 1124461892
Radiology - Diagnostic Radiology in Los Angeles, CA
About Dr. Nasiem Marriam Niroumand M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NASIEM MARRIAM NIROUMAND M.D. (NPI 1124461892) is an individual diagnostic radiology provider in Los Angeles, California, licensed in California (A152790) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Nasiem Marriam Niroumand 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
16Medicare enrollment records show Nasiem Niroumand reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Whittier, CA 90602
- Reassigned Medicare billing, California enrollment
- 84 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 488 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Mojave, CA 93501
- Reassigned Medicare billing, California enrollment
- 192 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 214 clinicians in this Medicare group
Delano, CA 93215
- Reassigned Medicare billing, California enrollment
- 135 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 33
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Nasiem Niroumand's NPI number?
The NPI number for Nasiem Niroumand is 1124461892. It was assigned to this individual provider in the NPPES registry on April 12, 2013. The provider is also known as Dr. Nasiem Maryam Niroumand M.D..
Where is Nasiem Niroumand located?
Nasiem Niroumand practices at 1500 San Pablo St Fl 2, Los Angeles, CA 90033. The listed phone number is (323) 442-8541.
What is Nasiem Niroumand's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Nasiem Niroumand enrolled in Medicare?
Yes. Nasiem Niroumand 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 Nasiem Niroumand's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nasiem Niroumand reassigns Medicare benefits to 16 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Lambert Radiology Medical Group, Inc (Whittier, CA), City Of Hope Medical Foundation (Duarte, CA), First Choice Physician Partners (Los Alamitos, CA), Sol Radiology, Inc. (Victorville, CA) and 11 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 Nasiem Niroumand'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 Nasiem Niroumand was last updated on August 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.