IN-HYANG CHOI
NPI 1588142137
Nurse Practitioner - Family in Walnut, CA
About In-hyang Choi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IN-HYANG CHOI (NPI 1588142137) is an individual family provider in Walnut, California, licensed in California (NP95013386) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Anaheim.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
In-hyang Choi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show In-hyang Choi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90005
- Reassigned Medicare billing, California enrollment
- 11 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 91789 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 In-hyang Choi's NPI number?
The NPI number for In-hyang Choi is 1588142137. It was assigned to this individual provider in the NPPES registry on August 4, 2018.
Where is In-hyang Choi located?
In-hyang Choi practices at 20627 Golden Springs Dr Ste 2D, Walnut, CA 91789. The listed phone number is (909) 480-0200.
What is In-hyang Choi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is In-hyang Choi enrolled in Medicare?
Yes. In-hyang Choi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for In-hyang Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), In-hyang Choi reassigns Medicare benefits to Jonah Medical Group, Inc. (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 In-hyang Choi'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 In-hyang Choi was last updated on October 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# In-Hyang Choi · NPI 1588142137
Family physician in Walnut, California. Individual provider, active in the CMS NPPES registry since August 4, 2018.
## Identity
- **NPI:** 1588142137 (Entity type: Individual)
- **Enumerated:** August 4, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NP95013386 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20627 GOLDEN SPRINGS DR STE 2D, Walnut, CA 91789-4817
- **Phone:** (909) 480-0200
## 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:** Jonah Medical Group, Inc. (NPI 1942591847, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1588142137) · Data from the CMS NPPES public registry.