JASON L HWANG MD INC
NPI 1811486616
Radiology - Diagnostic Radiology in Sonora, CA
About Jason L Hwang Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON L HWANG MD INC (NPI 1811486616) is a healthcare organization registered as a diagnostic radiology in Sonora, California and active in the NPI registry since May 2018. The organization lists Jason L Hwang, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jason L Hwang Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
94Medicare enrollment records show 94 clinicians reassign Medicare billing to Jason L Hwang MD Inc, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 94Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Jason L Hwang MD Inc's NPI number?
The NPI number for Jason L Hwang MD Inc is 1811486616. It was assigned to this organization in the NPPES registry on May 7, 2018.
Where is Jason L Hwang MD Inc located?
Jason L Hwang MD Inc is located at 1000 Greenley Rd, Sonora, CA 95370. The listed phone number is (209) 532-5000.
What is Jason L Hwang MD Inc's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Jason L Hwang MD Inc enrolled in Medicare?
Yes. Jason L Hwang MD Inc is registered in the Medicare PECOS enrollment system.
When is Jason L Hwang MD Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Virginia, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Jason L Hwang MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 94 clinicians in 2 Medicare specialties reassign their Medicare billing to Jason L Hwang MD Inc. A 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 the clinician's services. The largest specialties are Diagnostic Radiology (93) and Interventional Radiology (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Jason L Hwang MD Inc was last updated on May 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Jason L Hwang Md Inc · NPI 1811486616
Diagnostic Radiology organization in Sonora, California. Organization record, active in the CMS NPPES registry since May 7, 2018.
## Identity
- **NPI:** 1811486616 (Entity type: Organization)
- **Enumerated:** May 7, 2018
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **Organization subpart:** No
- **Authorized official:** Jason Hwang, PRESIDENT
## Practice location
- **Address:** 1000 GREENLEY RD, Sonora, CA 95370-5200
- **Phone:** (209) 532-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Virginia, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 94 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (93), Interventional Radiology (1); [full list](https://npiprofile.com/npi/1811486616/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 7, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1811486616) · Data from the CMS NPPES public registry.