DR. JUSTIN T HOANG DO
NPI 1720655079
Internal Medicine in Colton, CA
About Dr. Justin T Hoang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTIN T HOANG DO (NPI 1720655079) is an individual internal medicine provider in Colton, California, licensed in California (22374) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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. Justin T Hoang 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
5Medicare enrollment records show Justin Hoang reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arcadia, CA 91007
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
San Pedro, CA 90732
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Torrance, CA 90503
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Reseda, CA 91335
- Reassigned Medicare billing, California enrollment
- 21 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 4
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 92324 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.
COLTON, CA 92324
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 Justin Hoang's NPI number?
The NPI number for Justin Hoang is 1720655079. It was assigned to this individual provider in the NPPES registry on June 7, 2021.
Where is Justin Hoang located?
Justin Hoang practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-1000.
What is Justin Hoang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Justin Hoang enrolled in Medicare?
Yes. Justin Hoang 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 Justin Hoang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Hoang reassigns Medicare benefits to 5 organizations: Arcadia Hospitalist Medical Group, Inc. (Arcadia, CA), Ca Hospital Hospitalist Medical Group Inc (Los Angeles, CA), San Pedro Hospitalist Medical Group Inc (San Pedro, CA), Little Company Hospitalist Medical Group Inc (Torrance, CA) and David Taftian Do, Inc (Reseda, 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 Justin Hoang'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 Justin Hoang was last updated on July 22, 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.
# Dr. Justin T Hoang, DO · NPI 1720655079
Internal Medicine physician in Colton, California. Individual provider, active in the CMS NPPES registry since June 7, 2021.
## Identity
- **NPI:** 1720655079 (Entity type: Individual)
- **Enumerated:** June 7, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 22374 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 580-1000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Arcadia Hospitalist Medical Group, Inc. (NPI 1114365269, Arcadia, CA); Ca Hospital Hospitalist Medical Group Inc (NPI 1114483146, Los Angeles, CA); San Pedro Hospitalist Medical Group Inc (NPI 1750245783, San Pedro, CA); Little Company Hospitalist Medical Group Inc (NPI 1740141969, Torrance, CA); David Taftian Do, Inc (NPI 1366917361, Reseda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1720655079) · Data from the CMS NPPES public registry.