IRVINE ORTHOPEDIC INSTITUTE
NPI 1780049619
Orthopaedic Surgery in Irvine, CA
About Irvine Orthopedic Institute NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRVINE ORTHOPEDIC INSTITUTE (NPI 1780049619) is a healthcare organization registered as an orthopaedic surgery in Irvine, California and active in the NPI registry since December 2015. The organization lists Darius E Lin, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Irvine Orthopedic Institute 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 Irvine Orthopedic Institute, 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 Darius E Lin, MD, Inc's NPI number?
The NPI number for Darius E Lin, MD, Inc is 1780049619. It was assigned to this organization in the NPPES registry on December 18, 2015. The provider is doing business as Irvine Orthopedic Institute.
Where is Darius E Lin, MD, Inc located?
Darius E Lin, MD, Inc is located at 22 Odyssey # 270B, Irvine, CA 92618. The listed phone number is (949) 431-2668.
What is Darius E Lin, MD, Inc's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Darius E Lin, MD, Inc enrolled in Medicare?
Yes. Darius E Lin, MD, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Darius E Lin, MD, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to Darius E Lin, 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 Darius E Lin, MD, Inc was last updated on March 7, 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.
# Irvine Orthopedic Institute · NPI 1780049619
Orthopaedic Surgery organization in Irvine, California. Organization record, active in the CMS NPPES registry since December 18, 2015.
## Identity
- **NPI:** 1780049619 (Entity type: Organization)
- **Enumerated:** December 18, 2015
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **Legal business name:** Darius E Lin, Md, Inc
- **Organization subpart:** No
- **Authorized official:** Darius Lin, PRESIDENT
## Practice location
- **Address:** 22 ODYSSEY # 270B, Irvine, CA 92618-3186
- **Phone:** (949) 431-2668 · **Fax:** (949) 431-2669
## 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:** March 7, 2022
- **Other identifiers:** Other A138300 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1780049619) · Data from the CMS NPPES public registry.