FRANCIS INWOOK YOUN M.D.
NPI 1073800025
Emergency Medicine in Brooklyn, NY
About Francis Inwook Youn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANCIS INWOOK YOUN M.D. (NPI 1073800025) is an individual emergency medicine provider in Brooklyn, New York, licensed in California (A136750) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.
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 (PECOS)
Francis Inwook Youn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Francis Youn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11203 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11203
BROOKLYN, NY 11203
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 Francis Youn's NPI number?
The NPI number for Francis Youn is 1073800025. It was assigned to this individual provider in the NPPES registry on June 28, 2011.
Where is Francis Youn located?
Francis Youn practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 245-3320.
What is Francis Youn's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Francis Youn enrolled in Medicare?
Yes. Francis Youn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Francis Youn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Francis Youn reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Francis Youn'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 Francis Youn was last updated on November 4, 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.
# Francis Inwook Youn, M.D. · NPI 1073800025
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since June 28, 2011.
## Identity
- **NPI:** 1073800025 (Entity type: Individual)
- **Enumerated:** June 28, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A136750 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 450 CLARKSON AVE, Brooklyn, NY 11203-2012
- **Phone:** (718) 245-3320
## 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:** Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1073800025) · Data from the CMS NPPES public registry.