MARK LIN
NPI 1760984470
Ophthalmology in Irvine, CA
About Mark Lin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK LIN (NPI 1760984470) is an individual ophthalmology provider in Irvine, California, licensed in California (A164754) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Mark Lin 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 Reassignments
2Medicare enrollment records show Mark Lin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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 92614 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mark Lin's NPI number?
The NPI number for Mark Lin is 1760984470. It was assigned to this individual provider in the NPPES registry on March 8, 2018.
Where is Mark Lin located?
Mark Lin practices at 17582 Manchester Ave, Irvine, CA 92614. The listed phone number is (949) 350-5582.
What is Mark Lin's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Mark Lin enrolled in Medicare?
Yes. Mark Lin 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 organizations bill Medicare for Mark Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Lin reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Los Angeles, CA) and City Of Hope Medical Foundation (Duarte, CA). Each 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 Mark Lin'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 Mark Lin was last updated on March 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mark Lin · NPI 1760984470
Ophthalmology physician in Irvine, California. Individual provider, active in the CMS NPPES registry since March 8, 2018.
## Identity
- **NPI:** 1760984470 (Entity type: Individual)
- **Enumerated:** March 8, 2018
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A164754 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 17582 MANCHESTER AVE, Irvine, CA 92614-6646
- **Phone:** (949) 350-5582
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles (NPI 1780877613, Los Angeles, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** March 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1760984470) · Data from the CMS NPPES public registry.