GRIGOR GRIGORYAN, MD, INC
NPI 1073265732
Orthopaedic Surgery in Thousand Oaks, CA
About Grigor Grigoryan, Md, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRIGOR GRIGORYAN, MD, INC (NPI 1073265732) is a healthcare organization registered as an orthopaedic surgery in Thousand Oaks, California and active in the NPI registry since January 2022. The organization lists Grigor Grigoryan, 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)
Grigor Grigoryan, 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 Grigor Grigoryan, 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 Grigor Grigoryan, MD, Inc's NPI number?
The NPI number for Grigor Grigoryan, MD, Inc is 1073265732. It was assigned to this organization in the NPPES registry on January 24, 2022.
Where is Grigor Grigoryan, MD, Inc located?
Grigor Grigoryan, MD, Inc is located at 375 Rolling Oaks Dr Ste 200, Thousand Oaks, CA 91361. The listed phone number is (805) 497-9481.
What is Grigor Grigoryan, MD, Inc's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Grigor Grigoryan, MD, Inc enrolled in Medicare?
Yes. Grigor Grigoryan, MD, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Grigor Grigoryan, MD, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Grigor Grigoryan, 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 Grigor Grigoryan, MD, Inc was last updated on January 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Grigor Grigoryan, Md, Inc · NPI 1073265732
Orthopaedic Surgery organization in Thousand Oaks, California. Organization record, active in the CMS NPPES registry since January 24, 2022.
## Identity
- **NPI:** 1073265732 (Entity type: Organization)
- **Enumerated:** January 24, 2022
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **Organization subpart:** No
- **Authorized official:** Grigor Grigoryan, PRESIDENT
## Practice location
- **Address:** 375 ROLLING OAKS DR STE 200, Thousand Oaks, CA 91361-1027
- **Phone:** (805) 497-9481 · **Fax:** (805) 497-9483
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Orthopedic Surgery) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1073265732) · Data from the CMS NPPES public registry.