ERIC SUGJOO HWANG MD
NPI 1538620802
Ophthalmology in Fullerton, CA
About Eric Sugjoo Hwang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIC SUGJOO HWANG MD (NPI 1538620802) is an individual ophthalmology provider in Fullerton, California, licensed in California (A184627) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Garden Grove, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Eric Sugjoo 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 Reassignments
2Medicare enrollment records show Eric Hwang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 83 clinicians in this Medicare group
Los Angeles, CA 90004
- 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.
Areas of Expertise CMS Part B claims 13
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 92835 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FULLERTON, CA 92835
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 Eric Hwang's NPI number?
The NPI number for Eric Hwang is 1538620802. It was assigned to this individual provider in the NPPES registry on March 28, 2019.
Where is Eric Hwang located?
Eric Hwang practices at 1950 Sunny Crest Dr Ste 3200, Fullerton, CA 92835. The listed phone number is (714) 278-1834.
What is Eric Hwang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Eric Hwang enrolled in Medicare?
Yes. Eric 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 Eric Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Hwang reassigns Medicare benefits to 2 organizations: Retina Institute Of California Medical Group, A California Medical Par (Pasadena, CA) and Bethel Eye Center Medical Corporation (Los Angeles, 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 Eric Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Hwang accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 1 other insurer list Eric Hwang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Eric Hwang was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Eric Sugjoo Hwang, MD · NPI 1538620802
Ophthalmology physician in Fullerton, California. Individual provider, active in the CMS NPPES registry since March 28, 2019.
## Identity
- **NPI:** 1538620802 (Entity type: Individual)
- **Enumerated:** March 28, 2019
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A184627 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1950 SUNNY CREST DR STE 3200, Fullerton, CA 92835-3646
- **Phone:** (714) 278-1834 · **Fax:** (714) 278-1839
## 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): Retina Institute Of California Medical Group, A California Medical Par (NPI 1760541569, Pasadena, CA); Bethel Eye Center Medical Corporation (NPI 1972980191, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1538620802) · Data from the CMS NPPES public registry.