LIN HO HWANG
NPI 1831727510
Radiology - Diagnostic Radiology in Orange, CA
About Lin Ho Hwang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIN HO HWANG (NPI 1831727510) is an individual diagnostic radiology provider in Orange, California, licensed in California (20A23325) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Geisinger-community Medical Center, and is a graduate of Other (2020).
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
Lin Ho Hwang 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
3Medicare enrollment records show Lin Hwang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 202 clinicians in this Medicare group
Lock Haven, PA 17745
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Danville, PA 17822
- 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geisinger-Community Medical Center
Acute Care Hospitals · Scranton, PAGeisinger-Bloomsburg Hospital
Acute Care Hospitals · Bloomsburg, PAGeisinger Medical Center
Acute Care Hospitals · Danville, PAGeisinger Wyoming Valley Medical Center
Acute Care Hospitals · Wilkes Barre, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Lin Hwang's NPI number?
The NPI number for Lin Hwang is 1831727510. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Lin Hwang located?
Lin Hwang practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7237.
What is Lin Hwang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Lin Hwang enrolled in Medicare?
Yes. Lin 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 Lin Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lin Hwang reassigns Medicare benefits to 3 organizations: Uc Regents (Orange, CA), Geisinger-Hm Joint Venture, LLC (Lock Haven, PA) and Geisinger Clinic (Danville, PA). 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 Lin Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lin Hwang affiliated with any hospitals?
According to CMS data, Lin Hwang is affiliated with Geisinger-Community Medical Center, Geisinger-Bloomsburg Hospital, Geisinger Medical Center and Geisinger Wyoming Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Lin Hwang was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Lin Ho Hwang · NPI 1831727510
Diagnostic Radiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1831727510 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 20A23325 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-7237
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Uc Regents (NPI 1346298528, Orange, CA); Geisinger-Hm Joint Venture, LLC (NPI 1427604222, Lock Haven, PA); Geisinger Clinic (NPI 1558313023, Danville, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831727510) · Data from the CMS NPPES public registry.