DR. JUN R CHIONG M.D., M.P.H.
NPI 1598730590
Internal Medicine in Redlands, CA
About Dr. Jun R Chiong M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUN R CHIONG M.D., M.P.H. (NPI 1598730590) is an individual internal medicine provider in Redlands, California, licensed in California (A95516) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1994).
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
Dr. Jun R Chiong M.d., M.p.h. 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 Jun Chiong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 30 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 146 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 27
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 92373 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 12
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDLANDS, CA 92373
REDLANDS, CA 92373
REDLANDS, CA 92373
REDLANDS, CA 92373
REDLANDS, CA 92373
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 Jun Chiong's NPI number?
The NPI number for Jun Chiong is 1598730590. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Jun Chiong located?
Jun Chiong practices at 461 Tennessee St Ste C, Redlands, CA 92373. The listed phone number is (909) 475-7371.
What is Jun Chiong's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jun Chiong enrolled in Medicare?
Yes. Jun Chiong 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 Jun Chiong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jun Chiong reassigns Medicare benefits to 3 organizations: Jun R. Chiong, MD, Mph, Inc. (Redlands, CA), Medex Specialty Network, Inc. (Redlands, CA) and Mission City Community Network, Inc. (Victorville, 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 Jun Chiong'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 Jun Chiong was last updated on December 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.