JUSTIN WANG M.D.
NPI 1598085185
Emergency Medicine in Modesto, CA
About Justin Wang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN WANG M.D. (NPI 1598085185) is an individual emergency medicine provider in Modesto, California, licensed in California (A124857) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2010).
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
Justin Wang M.d. 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
4Medicare enrollment records show Justin Wang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Morgan Hill, CA 95037
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 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 95355 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.
Other Providers at the Same Location NPPES 2
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 Justin Wang's NPI number?
The NPI number for Justin Wang is 1598085185. It was assigned to this individual provider in the NPPES registry on June 4, 2010.
Where is Justin Wang located?
Justin Wang practices at 2929 Floyd Ave Apt #345, Modesto, CA 95355. The listed phone number is (650) 823-1437.
What is Justin Wang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Justin Wang enrolled in Medicare?
Yes. Justin Wang 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 Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Wang reassigns Medicare benefits to 4 organizations: Cep America - California (Modesto, CA), County Of Santa Clara (Morgan Hill, CA), Emergency Physicians Associates Fremont PC (Fremont, CA) and Emergency Physicians Associates San Jose PC (San Jose, 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 Wang'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 Wang was last updated on June 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Justin Wang, M.D. · NPI 1598085185
Emergency Medicine physician in Modesto, California. Individual provider, active in the CMS NPPES registry since June 4, 2010.
## Identity
- **NPI:** 1598085185 (Entity type: Individual)
- **Enumerated:** June 4, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A124857 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2929 FLOYD AVE, APT #345, Modesto, CA 95355-8750
- **Phone:** (650) 823-1437
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1396044491, Modesto, CA); County Of Santa Clara (NPI 1114676251, Morgan Hill, CA); Emergency Physicians Associates Fremont PC (NPI 1790250967, Fremont, CA); Emergency Physicians Associates San Jose PC (NPI 1306311576, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** June 27, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1598085185) · Data from the CMS NPPES public registry.