JAMES A NASSIRI MD INC
NPI 1861733982
Anesthesiology - Pain Medicine in Beverly Hills, CA
About James A Nassiri Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES A NASSIRI MD INC (NPI 1861733982) is a healthcare organization registered as a pain medicine in Beverly Hills, California and active in the NPI registry since March 2013. The organization lists James A Nassiri, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James A Nassiri Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to James A Nassiri MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 James A Nassiri MD Inc's NPI number?
The NPI number for James A Nassiri MD Inc is 1861733982. It was assigned to this organization in the NPPES registry on March 14, 2013.
Where is James A Nassiri MD Inc located?
James A Nassiri MD Inc is located at 435 N Bedford Dr Ste 216, Beverly Hills, CA 90210. The listed phone number is (310) 273-2000.
What is James A Nassiri MD Inc's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is James A Nassiri MD Inc enrolled in Medicare?
Yes. James A Nassiri MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through James A Nassiri MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to James A Nassiri MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for James A Nassiri MD Inc was last updated on May 4, 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.
# James A Nassiri Md Inc · NPI 1861733982
Pain Medicine organization in Beverly Hills, California. Organization record, active in the CMS NPPES registry since March 14, 2013.
## Identity
- **NPI:** 1861733982 (Entity type: Organization)
- **Enumerated:** March 14, 2013
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **Organization subpart:** No
- **Authorized official:** James Nassiri, PRESIDENT
## Practice location
- **Address:** 435 N BEDFORD DR STE 216, Beverly Hills, CA 90210-4352
- **Phone:** (310) 273-2000 · **Fax:** (424) 296-3201
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Anesthesiology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1861733982) · Data from the CMS NPPES public registry.