DR. MICHAEL JOSHUA LIM OD
NPI 1619464799
Optometrist in Rancho Cucamonga, CA
About Dr. Michael Joshua Lim Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JOSHUA LIM OD (NPI 1619464799) is an individual optometrist in Rancho Cucamonga, California, licensed in California (OPT34161-TLG) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Western University Of Health Sciences College Of Dental Med (2018).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Michael Joshua Lim Od 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 Michael Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 5,228 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 91730 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 Michael Lim's NPI number?
The NPI number for Michael Lim is 1619464799. It was assigned to this individual provider in the NPPES registry on April 15, 2018.
Where is Michael Lim located?
Michael Lim practices at 8112 Milliken Ave Ste 203, Rancho Cucamonga, CA 91730. The listed phone number is (909) 945-3563.
What is Michael Lim's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Michael Lim enrolled in Medicare?
Yes. Michael Lim 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 Michael Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lim reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, 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 Michael Lim'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 Michael Lim was last updated on November 29, 2021. 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.