JOSEPH CHEN
NPI 1780002550
Nurse Practitioner - Pediatrics in National City, CA
About Joseph Chen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH CHEN (NPI 1780002550) is an individual pediatrics provider in National City, California, licensed in California (95000595) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
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
Joseph Chen 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 Reassignment
Medicare enrollment records show Joseph Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Torrance, CA 90503
- Reassigned Medicare billing, California enrollment
- 7 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91950 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.
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
NATIONAL CITY, CA 91950
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 Joseph Chen's NPI number?
The NPI number for Joseph Chen is 1780002550. It was assigned to this individual provider in the NPPES registry on March 31, 2014.
Where is Joseph Chen located?
Joseph Chen practices at 655 Euclid Ave Suite #207, National City, CA 91950. The listed phone number is (619) 475-4575.
What is Joseph Chen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Joseph Chen enrolled in Medicare?
Yes. Joseph Chen 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 organization bills Medicare for Joseph Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Chen reassigns Medicare benefits to Cp La County S-Ca Hospice, LLC (Torrance, CA). The 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 Joseph Chen'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 Joseph Chen was last updated on March 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Joseph Chen · NPI 1780002550
Pediatrics physician in National City, California. Individual provider, active in the CMS NPPES registry since March 31, 2014.
## Identity
- **NPI:** 1780002550 (Entity type: Individual)
- **Enumerated:** March 31, 2014
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 95000595 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 655 EUCLID AVE, SUITE #207, National City, CA 91950-2957
- **Phone:** (619) 475-4575
## 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:** Cp La County S-Ca Hospice, LLC (NPI 1225850480, Torrance, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** March 31, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1780002550) · Data from the CMS NPPES public registry.