RAMIN KARIMI
NPI 1891255048
Psychiatry & Neurology - Neurology in Pasadena, CA
About Ramin Karimi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMIN KARIMI (NPI 1891255048) is an individual neurology provider in Pasadena, California, licensed in California (A192387) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (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
Ramin Karimi 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 Ramin Karimi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90066
- Reassigned Medicare billing, California enrollment
- 103 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 91105 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 91105
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 Ramin Karimi's NPI number?
The NPI number for Ramin Karimi is 1891255048. It was assigned to this individual provider in the NPPES registry on March 22, 2019.
Where is Ramin Karimi located?
Ramin Karimi practices at 625 S Fair Oaks Ave Ste 227, Pasadena, CA 91105. The listed phone number is (626) 639-2902.
What is Ramin Karimi's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Ramin Karimi enrolled in Medicare?
Yes. Ramin Karimi 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 Ramin Karimi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramin Karimi reassigns Medicare benefits to Regents Of The University Of California Los Angeles (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 Ramin Karimi'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 Ramin Karimi was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Ramin Karimi · NPI 1891255048
Neurology physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since March 22, 2019.
## Identity
- **NPI:** 1891255048 (Entity type: Individual)
- **Enumerated:** March 22, 2019
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A192387 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 625 S FAIR OAKS AVE STE 227, Pasadena, CA 91105-2688
- **Phone:** (626) 639-2902 · **Fax:** (626) 547-6373
## 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:** Regents Of The University Of California Los Angeles (NPI 1609194497, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891255048) · Data from the CMS NPPES public registry.