JOHNSON CHIU MD
NPI 1356412241
Hospitalist in Orange, CA
About Johnson Chiu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHNSON CHIU MD (NPI 1356412241) is an individual hospitalist provider in Orange, California, licensed in California (A87164) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
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
Johnson Chiu Md 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 Johnson Chiu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 1,699 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 6
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 92868 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 3
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.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Johnson Chiu's NPI number?
The NPI number for Johnson Chiu is 1356412241. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Johnson Chiu located?
Johnson Chiu practices at 1310 W Stewart Dr Suite 410, Orange, CA 92868. The listed phone number is (714) 639-9401.
What is Johnson Chiu's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Johnson Chiu enrolled in Medicare?
Yes. Johnson Chiu 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 Johnson Chiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johnson Chiu reassigns Medicare benefits to Providence Medical Foundation (Orange, 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 Johnson Chiu'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 Johnson Chiu was last updated on October 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Johnson Chiu, MD · NPI 1356412241
Hospitalist physician in Orange, California. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1356412241 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A87164 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1310 W STEWART DR, SUITE 410, Orange, CA 92868-3854
- **Phone:** (714) 639-9401 · **Fax:** (714) 639-4105
## 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:** Providence Medical Foundation (NPI 1801443510, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** October 21, 2020
- **Other identifiers:** Other CG5665 (CA); Medicaid 00A871640 (CA); Other GR0003350 (CA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1356412241) · Data from the CMS NPPES public registry.