DR. JUSTINE YOUNG D.O., MPH
NPI 1104265677
Internal Medicine in Montebello, CA
About Dr. Justine Young D.o., Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUSTINE YOUNG D.O., MPH (NPI 1104265677) is an individual internal medicine provider in Montebello, California, licensed in California (20A13841) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
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. Justine Young D.o., Mph 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 Justine Young reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hollywood, CA 90048
- Reassigned Medicare billing, California enrollment
- 175 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 72 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 194 clinicians in this Medicare group
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 123 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 7
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 90640 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Justine Young's NPI number?
The NPI number for Justine Young is 1104265677. It was assigned to this individual provider in the NPPES registry on June 18, 2013.
Where is Justine Young located?
Justine Young practices at 309 W Beverly Blvd, Montebello, CA 90640. The listed phone number is (323) 726-1222.
What is Justine Young's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Justine Young enrolled in Medicare?
Yes. Justine Young 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 Justine Young's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justine Young reassigns Medicare benefits to 5 organizations: Kansal Inc (West Hollywood, CA), Im-Fsr Inc. (Chino Hills, CA), Careconnectmd Ca PC (Costa Mesa, CA), Hospitalist Group Of Montebello Inc (Corona, CA) and Inpatient Specialists Of California, PC (San Bernardino, 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 Justine Young'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 Justine Young was last updated on December 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.