JISEUNG YOON MD
NPI 1144742420
Preventive Medicine - Addiction Medicine in Corona, CA
About Jiseung Yoon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JISEUNG YOON MD (NPI 1144742420) is an individual addiction medicine provider in Corona, California, licensed in California (A158220) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS.
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 (PECOS)
Jiseung Yoon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jiseung Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corona, CA 92881
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Commerce, CA 90040
- Reassigned Medicare billing, California enrollment
- 14 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 92882 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORONA, CA 92882
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 Jiseung Yoon's NPI number?
The NPI number for Jiseung Yoon is 1144742420. It was assigned to this individual provider in the NPPES registry on July 8, 2017.
Where is Jiseung Yoon located?
Jiseung Yoon practices at 222 W 6th St, Corona, CA 92882. The listed phone number is (909) 485-7974.
What is Jiseung Yoon's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Jiseung Yoon enrolled in Medicare?
Yes. Jiseung Yoon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jiseung Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jiseung Yoon reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Corona, CA) and Live Life Now Health Group Of California PC (Commerce, CA). 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 Jiseung Yoon'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 Jiseung Yoon was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jiseung Yoon, MD · NPI 1144742420
Addiction Medicine physician in Corona, California. Individual provider, active in the CMS NPPES registry since July 8, 2017.
## Identity
- **NPI:** 1144742420 (Entity type: Individual)
- **Enumerated:** July 8, 2017
- **Primary specialty:** Preventive Medicine - Addiction Medicine · taxonomy 2083A0300X
- **State license:** A158220 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 W 6TH ST, Corona, CA 92882-3301
- **Phone:** (909) 485-7974
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Faculty Physicians And Surgeons Of Llusm (NPI 1619163441, Corona, CA); Live Life Now Health Group Of California PC (NPI 1194332510, Commerce, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144742420) · Data from the CMS NPPES public registry.