KAREN HWANG CRNA
NPI 1437547247
Nurse Anesthetist, Certified Registered in Santa Monica, CA
About Karen Hwang Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN HWANG CRNA (NPI 1437547247) is an individual nurse anesthetist, certified registered in Santa Monica, California, licensed in California (95000241) and active in the NPI registry since December 2014. She is a graduate of Other (2014).
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
Karen Hwang Crna 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
4Medicare enrollment records show Karen Hwang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90036
- Reassigned Medicare billing, California enrollment
- 61 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 554 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
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 90404 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90404
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 Karen Hwang's NPI number?
The NPI number for Karen Hwang is 1437547247. It was assigned to this individual provider in the NPPES registry on December 31, 2014.
Where is Karen Hwang located?
Karen Hwang practices at 2336 Santa Monica Blvd Ste 204, Santa Monica, CA 90404. The listed phone number is (310) 904-6375.
What is Karen Hwang's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Hwang enrolled in Medicare?
Yes. Karen Hwang 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 Karen Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hwang reassigns Medicare benefits to 4 organizations: Digestive Health Associates Of Southern California (Santa Monica, CA), Southern California Permanente Medical Group (Los Angeles, CA), Farnad Medical Corporation (Los Angeles, CA) and Martin Luther King Jr Community Medical 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 Karen Hwang'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 Karen Hwang was last updated on May 7, 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.
# Karen Hwang, CRNA · NPI 1437547247
Nurse Anesthetist, Certified Registered physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since December 31, 2014.
## Identity
- **NPI:** 1437547247 (Entity type: Individual)
- **Enumerated:** December 31, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95000241 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2336 SANTA MONICA BLVD STE 204, Santa Monica, CA 90404-2938
- **Phone:** (310) 904-6375
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Digestive Health Associates Of Southern California (NPI 1043098619, Santa Monica, CA); Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA); Farnad Medical Corporation (NPI 1083258362, Los Angeles, CA); Martin Luther King Jr Community Medical Foundation (NPI 1356899777, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** May 7, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1437547247) · Data from the CMS NPPES public registry.