DAVID HWANG DO
NPI 1003475039
Internal Medicine - Nephrology in Los Angeles, CA
About David Hwang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID HWANG DO (NPI 1003475039) is an individual nephrology provider in Los Angeles, California, licensed in California (20A19885) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Farmington Hills, and is a graduate of Michigan State University College Of Osteopathic Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
David Hwang Do 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 Reassignments
2Medicare enrollment records show David Hwang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 90027 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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 David Hwang's NPI number?
The NPI number for David Hwang is 1003475039. It was assigned to this individual provider in the NPPES registry on June 12, 2019.
Where is David Hwang located?
David Hwang practices at 4867 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (833) 574-2273.
What is David Hwang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is David Hwang enrolled in Medicare?
Yes. David 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 organizations bill Medicare for David Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Hwang reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Los Angeles, CA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 David 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 David Hwang was last updated on September 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# David Hwang, DO · NPI 1003475039
Nephrology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 12, 2019.
## Identity
- **NPI:** 1003475039 (Entity type: Individual)
- **Enumerated:** June 12, 2019
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 20A19885 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4867 W SUNSET BLVD, Los Angeles, CA 90027-5969
- **Phone:** (833) 574-2273
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2019
## Record status
- **NPPES last updated:** September 10, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1003475039) · Data from the CMS NPPES public registry.