JOHANNA H. YUN MD
NPI 1396204426
Psychiatry & Neurology - Neurology in Carlsbad, CA
About Johanna H. Yun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHANNA H. YUN MD (NPI 1396204426) is an individual neurology provider in Carlsbad, California, licensed in California (A196635) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Johanna H. Yun Md 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 Johanna Yun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carlsbad, CA 92011
- Reassigned Medicare billing, California enrollment
- 42 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 2
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 92011 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CARLSBAD, CA 92011
CARLSBAD, CA 92011
CARLSBAD, CA 92011
CARLSBAD, CA 92011
CARLSBAD, CA 92011
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 Johanna Yun's NPI number?
The NPI number for Johanna Yun is 1396204426. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Johanna Yun located?
Johanna Yun practices at 6010 Hidden Valley Rd Ste 200, Carlsbad, CA 92011. The listed phone number is (760) 631-3000.
What is Johanna Yun's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Johanna Yun enrolled in Medicare?
Yes. Johanna Yun 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 Johanna Yun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Yun reassigns Medicare benefits to North County Neurology Associates Medical Group (Carlsbad, 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 Johanna Yun'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 Johanna Yun was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Johanna H. Yun, MD · NPI 1396204426
Neurology physician in Carlsbad, California. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1396204426 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A196635 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6010 HIDDEN VALLEY RD STE 200, Carlsbad, CA 92011-4219
- **Phone:** (760) 631-3000 · **Fax:** (760) 631-3016
## 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:** North County Neurology Associates Medical Group (NPI 1003860537, Carlsbad, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 10, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1396204426) · Data from the CMS NPPES public registry.