PATRICK CHAN MD
NPI 1851832059
Internal Medicine - Critical Care Medicine in Los Angeles, CA
About Patrick Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK CHAN MD (NPI 1851832059) is an individual critical care medicine provider in Los Angeles, California, licensed in California (A157424) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2017).
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
Patrick Chan 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 Reassignments
3Medicare enrollment records show Patrick Chan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 198 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Patrick Chan's NPI number?
The NPI number for Patrick Chan is 1851832059. It was assigned to this individual provider in the NPPES registry on March 20, 2017.
Where is Patrick Chan located?
Patrick Chan practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.
What is Patrick Chan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Patrick Chan enrolled in Medicare?
Yes. Patrick Chan 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 Patrick Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Chan reassigns Medicare benefits to 3 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Superior Hospitalist Medical Group Inc (Los Angeles, 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 Patrick Chan'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 Patrick Chan was last updated on January 17, 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.
# Patrick Chan, MD · NPI 1851832059
Critical Care Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 20, 2017.
## Identity
- **NPI:** 1851832059 (Entity type: Individual)
- **Enumerated:** March 20, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A157424 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033-5312
- **Phone:** (323) 442-5100
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Superior Hospitalist Medical Group Inc (NPI 1780047712, Los Angeles, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** January 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1851832059) · Data from the CMS NPPES public registry.