JOSEPHINE CHING-HUI HWANG MD
NPI 1346800406
Internal Medicine - Pulmonary Disease in Pasadena, CA
About Josephine Ching-hui Hwang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPHINE CHING-HUI HWANG MD (NPI 1346800406) is an individual pulmonary disease provider in Pasadena, California, licensed in California (A177311) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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 and accepts Medicare assignment
Josephine Ching-hui Hwang 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 Josephine Hwang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 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 91105 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.
PASADENA, CA 91105
PASADENA, CA 91105
PASADENA, CA 91105
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 Josephine Hwang's NPI number?
The NPI number for Josephine Hwang is 1346800406. It was assigned to this individual provider in the NPPES registry on June 19, 2019.
Where is Josephine Hwang located?
Josephine Hwang practices at 625 S Fair Oaks Ave Ste 280, Pasadena, CA 91105. The listed phone number is (626) 304-0070.
What is Josephine Hwang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Josephine Hwang enrolled in Medicare?
Yes. Josephine Hwang 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 Josephine Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Josephine Hwang reassigns Medicare benefits to The Regents Of The University Of California (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 Josephine Hwang'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 Josephine Hwang was last updated on August 29, 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.
# Josephine Ching-Hui Hwang, MD · NPI 1346800406
Pulmonary Disease physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since June 19, 2019.
## Identity
- **NPI:** 1346800406 (Entity type: Individual)
- **Enumerated:** June 19, 2019
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A177311 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 625 S FAIR OAKS AVE STE 280, Pasadena, CA 91105-2670
- **Phone:** (626) 304-0070
## 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:** The Regents Of The University Of California (NPI 1235107566, Los Angeles, 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:** August 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346800406) · Data from the CMS NPPES public registry.