KIM ALEXIS FIRN MD, MS
NPI 1396314175
Ophthalmology - Neuro-ophthalmology in Pasadena, CA

Active since June 24, 2021PECOS EnrolledAccepts Medicare Assignment
150 N ORANGE GROVE BLVD STE 1400, PASADENA, CA 91103(626) 817-4747(626) 817-4748 Get Directions Write a Review

NPPES record last updated: July 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 1, 2025, Mar 24, 2025, Jun 24, 2021 (3 updates tracked since 2021).

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

NPI1396314175
Entity TypeIndividualFemale
Primary Taxonomy207WX0109X
Provider Legal NameKIM ALEXIS FIRNCredential: MD, MS
Location Address150 N ORANGE GROVE BLVD STE 1400Pasadena, CA 91103-3534
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Fax(626) 817-4748
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 24, 2021
Last NPPES UpdateJuly 1, 20253 updates tracked since enumeration
NPPES CertifiedJuly 1, 2025
✔ NPI 1396314175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Neuro-ophthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207WX0109X
License✔ Licensed in CA · A182444
Definition
A neuro-ophthalmologist is a subspecialist of ophthalmology. This physician evaluates, treats, and studies disorders of the eye, orbit and nervous system having to do with interactions of the visual motor and visual sensory systems with the central nervous system. Neuro-ophthalmologists manage patients with complex and severe neuro-ophthalmological disorders.
150 N ORANGE GROVE BLVD STE 1400, Pasadena, CA 91103

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.

PECOS PAC ID6901325216
PECOS Enrollment IDI20250529001540
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Ophthalmology
100 STEIN PLZ
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.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Ophthalmology
150 N ORANGE GROVE BLVD STE 1400
PASADENA, CA 91103
Durable Medical Equipment & Medical Supplies
150 N ORANGE GROVE BLVD STE 1400
PASADENA, CA 91103
Ophthalmology (Retina Specialist)
150 N ORANGE GROVE BLVD STE 1400
PASADENA, CA 91103
Ophthalmology
150 N ORANGE GROVE BLVD STE 1400
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.