DANIEL HYUNGSUK SIM FNP-BC
NPI 1871042911
Nurse Practitioner - Family in Los Angeles, CA
About Daniel Hyungsuk Sim Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL HYUNGSUK SIM FNP-BC (NPI 1871042911) is an individual family provider in Los Angeles, California, licensed in California (95005091) and active in the NPI registry since September 2016. 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)
Daniel Hyungsuk Sim Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Daniel Sim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90805
- Reassigned Medicare billing, California enrollment
- 339 clinicians in this Medicare group
Diamond Bar, CA 91765
- Reassigned Medicare billing, California enrollment
- 283 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 90020 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
LOS ANGELES, CA 90020
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 Daniel Sim's NPI number?
The NPI number for Daniel Sim is 1871042911. It was assigned to this individual provider in the NPPES registry on September 30, 2016.
Where is Daniel Sim located?
Daniel Sim practices at 3727 W 6th St Ste 200, Los Angeles, CA 90020. The listed phone number is (213) 235-2500.
What is Daniel Sim's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Daniel Sim enrolled in Medicare?
Yes. Daniel Sim is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Daniel Sim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Sim reassigns Medicare benefits to 2 organizations: Molina Healthcare Of California (Long Beach, CA) and Central Health Plan Of California, Inc. (Diamond Bar, 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 Daniel Sim'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 Daniel Sim was last updated on December 7, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.