DR. JAMES LIN JR. M.D.
NPI 1255423489
Radiology - Vascular & Interventional Radiology in West Covina, CA
About Dr. James Lin Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES LIN JR. M.D. (NPI 1255423489) is an individual vascular & interventional radiology provider in West Covina, California, licensed in California (A78149) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Lin Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
10Medicare enrollment records show James Lin reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Covina, CA 91790
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Covina, CA 91723
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Glendora, CA 91741
- Reassigned Medicare billing, California enrollment
- 109 clinicians in this Medicare group
Monrovia, CA 91016
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Monterey Park, CA 91754
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1679915565 (California)
- 31 clinicians in this Medicare group
Los Angeles, CA 90032
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 240 clinicians in this Medicare group
Avalon, CA 90704
- Reassigned Medicare billing, California enrollment
- 42 clinicians in this Medicare group
Weaverville, CA 96093
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1407027568 (California)
- 119 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.
Areas of Expertise CMS Part B claims 51
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WEST COVINA, CA 91790
WEST COVINA, CA 91790
WEST COVINA, CA 91790
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 James Lin's NPI number?
The NPI number for James Lin is 1255423489. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is James Lin located?
James Lin practices at 1115 S Sunset Ave, West Covina, CA 91790. The listed phone number is (626) 962-4011.
What is James Lin's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is James Lin enrolled in Medicare?
Yes. James Lin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Lin reassigns Medicare benefits to 10 organizations: Emanate Health Medical Care Foundation (West Covina, CA), Emanate Health Medical Group (Covina, CA), Menalam Health Services PC (Glendora, CA), Focus Medical Imaging (Monrovia, CA), Ahmc International Cancer Center A Medical Corporation (Monterey Park, CA) and 5 more organizations, listed in the Medicare section above. 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 James Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Lin accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 1 other insurer list James Lin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Lin was last updated on May 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.