MR. GRANT G. SARKISYAN M.D.
NPI 1134328859
Surgery in Los Alamitos, CA
About Mr. Grant G. Sarkisyan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GRANT G. SARKISYAN M.D. (NPI 1134328859) is an individual surgery provider in Los Alamitos, California, licensed in California (A84533) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Mr. Grant G. Sarkisyan 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 Reassignment
Medicare enrollment records show Grant Sarkisyan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellflower, CA 90706
- Reassigned Medicare billing, California enrollment
- 13,921 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 90720 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
LOS ALAMITOS, CA 90720
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 Grant Sarkisyan's NPI number?
The NPI number for Grant Sarkisyan is 1134328859. It was assigned to this individual provider in the NPPES registry on July 12, 2007.
Where is Grant Sarkisyan located?
Grant Sarkisyan practices at 3791 Katella Ave #201 Vascular & General Surgery Assoc., Los Alamitos, CA 90720. The listed phone number is (562) 596-6736.
What is Grant Sarkisyan's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Grant Sarkisyan enrolled in Medicare?
Yes. Grant Sarkisyan 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 Grant Sarkisyan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Sarkisyan reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Grant Sarkisyan'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 Grant Sarkisyan 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.
# Mr. Grant G. Sarkisyan, M.D. · NPI 1134328859
Surgery physician in Los Alamitos, California. Individual provider, active in the CMS NPPES registry since July 12, 2007.
## Identity
- **NPI:** 1134328859 (Entity type: Individual)
- **Enumerated:** July 12, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A84533 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3791 KATELLA AVE, #201 VASCULAR & GENERAL SURGERY ASSOC., Los Alamitos, CA 90720-3105
- **Phone:** (562) 596-6736 · **Fax:** (562) 596-5387
## 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:** Southern California Permanente Medical Group (NPI 1043242555, Bellflower, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Medicaid 00A845330 (CA); Other 00A845330 (CA); Other A84533 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1134328859) · Data from the CMS NPPES public registry.