DAMON J CHOI M.D.
NPI 1033405493
Hospitalist in Pasadena, CA
About Damon J Choi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAMON J CHOI M.D. (NPI 1033405493) is an individual hospitalist provider in Pasadena, California, licensed in California (A151382) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Damon J Choi 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
5Medicare enrollment records show Damon Choi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Glendale, CA 91208
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Glendale, CA 91204
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Montebello, CA 90640
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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 2
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 91105 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91105
PASADENA, CA 91105
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 Damon Choi's NPI number?
The NPI number for Damon Choi is 1033405493. It was assigned to this individual provider in the NPPES registry on June 23, 2011.
Where is Damon Choi located?
Damon Choi practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 352-1444.
What is Damon Choi's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Damon Choi enrolled in Medicare?
Yes. Damon Choi 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 Damon Choi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Damon Choi reassigns Medicare benefits to 5 organizations: The Huntington Medical Foundation (Pasadena, CA), Concord Hospitalist Group A Medical Corporation (Glendale, CA), Cedar Springs Hospitalist Medical Group, Inc. (Glendale, CA), Pih Health Physicians (Montebello, CA) and Cedars-Sinai Medical Care Foundation (Los Angeles, 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 Damon Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Damon Choi accept?
Health plans from Taro Health list Damon Choi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Damon Choi was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Damon J Choi, M.D. · NPI 1033405493
Hospitalist physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since June 23, 2011.
## Identity
- **NPI:** 1033405493 (Entity type: Individual)
- **Enumerated:** June 23, 2011
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A151382 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 W CALIFORNIA BLVD, Pasadena, CA 91105-3010
- **Phone:** (626) 352-1444
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): The Huntington Medical Foundation (NPI 1154467181, Pasadena, CA); Concord Hospitalist Group A Medical Corporation (NPI 1972036309, Glendale, CA); Cedar Springs Hospitalist Medical Group, Inc. (NPI 1245799279, Glendale, CA); Pih Health Physicians (NPI 1316341530, Montebello, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033405493) · Data from the CMS NPPES public registry.