KIM ALEXIS FIRN MD, MS
NPI 1396314175
Ophthalmology - Neuro-ophthalmology in Pasadena, CA
About Kim Alexis Firn Md, Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIM ALEXIS FIRN MD, MS (NPI 1396314175) is an individual neuro-ophthalmology provider in Pasadena, California, licensed in California (A182444) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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
Kim Alexis Firn Md, Ms 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 Kim Firn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 123 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 91103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91103
PASADENA, CA 91103
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 Kim Firn's NPI number?
The NPI number for Kim Firn is 1396314175. It was assigned to this individual provider in the NPPES registry on June 24, 2021.
Where is Kim Firn located?
Kim Firn practices at 150 N Orange Grove Blvd Ste 1400, Pasadena, CA 91103. The listed phone number is (626) 817-4747.
What is Kim Firn's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Neuro-ophthalmology, with taxonomy code 207WX0109X.
Is Kim Firn enrolled in Medicare?
Yes. Kim Firn 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 Kim Firn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim Firn reassigns Medicare benefits to Jules Stein Eye Institute Medical Group (Los Angeles, 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 Kim Firn'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 Kim Firn was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.