HAIG V MINASSIAN M.D.
NPI 1720003098
Neurological Surgery in Whittier, CA
About Haig V Minassian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAIG V MINASSIAN M.D. (NPI 1720003098) is an individual neurological surgery provider in Whittier, California, licensed in California (G25816) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Haig V Minassian M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Haig Minassian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 37 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90606 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.
WHITTIER, CA 90606
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 Haig Minassian's NPI number?
The NPI number for Haig Minassian is 1720003098. It was assigned to this individual provider in the NPPES registry on July 13, 2006.
Where is Haig Minassian located?
Haig Minassian practices at 12291 Washington Blvd Suite 102, Whittier, CA 90606. The listed phone number is (562) 698-0679.
What is Haig Minassian's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Haig Minassian enrolled in Medicare?
Yes. Haig Minassian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Haig Minassian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haig Minassian reassigns Medicare benefits to Simi Valley Anesthesia Medical Group (Simi Valley, 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 Haig Minassian'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 Haig Minassian was last updated on April 12, 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.