DR. KARA WEI WEI CHEW M.D.
NPI 1013116557
Internal Medicine - Infectious Disease in Los Angeles, CA
About Dr. Kara Wei Wei Chew M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARA WEI WEI CHEW M.D. (NPI 1013116557) is an individual infectious disease provider in Los Angeles, California, licensed in California (A99247) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Kara Wei Wei Chew 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
2Medicare enrollment records show Kara Chew reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Los Angeles, CA 90062
- Reassigned Medicare billing, California enrollment
- 24 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 90035 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90035
LOS ANGELES, CA 90035
LOS ANGELES, CA 90035
LOS ANGELES, CA 90035
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 Kara Chew's NPI number?
The NPI number for Kara Chew is 1013116557. It was assigned to this individual provider in the NPPES registry on July 14, 2007.
Where is Kara Chew located?
Kara Chew practices at 1399 Roxbury Dr Ste 100, Los Angeles, CA 90035. The listed phone number is (310) 557-2273.
What is Kara Chew's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Kara Chew enrolled in Medicare?
Yes. Kara Chew 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 Kara Chew's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kara Chew reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California (Los Angeles, CA) and T H E Clinic Inc (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 Kara Chew'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 Kara Chew was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Kara Wei Wei Chew, M.D. · NPI 1013116557
Infectious Disease physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 14, 2007.
## Identity
- **NPI:** 1013116557 (Entity type: Individual)
- **Enumerated:** July 14, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A99247 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1399 ROXBURY DR STE 100, Los Angeles, CA 90035-4709
- **Phone:** (310) 557-2273 · **Fax:** (310) 825-3632
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA); T H E Clinic Inc (NPI 1023287679, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2005
## Record status
- **NPPES last updated:** January 31, 2025
- **Other identifiers:** Medicaid 1013116557 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1013116557) · Data from the CMS NPPES public registry.