KIEU MY TONNU RN, CRNA
NPI 1326711540
Nurse Anesthetist, Certified Registered in Duarte, CA
About Kieu My Tonnu Rn, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIEU MY TONNU RN, CRNA (NPI 1326711540) is an individual nurse anesthetist, certified registered in Duarte, California, licensed in California (95001998) and active in the NPI registry since July 2021. She is a graduate of Other (2022).
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
Kieu My Tonnu Rn, 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 Kieu Tonnu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Baldwin Park, CA 91706
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Santa Monica, CA 90404
- Reassigned Medicare billing, California enrollment
- 57 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 91010 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.
DUARTE, CA 91010
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 Kieu Tonnu's NPI number?
The NPI number for Kieu Tonnu is 1326711540. It was assigned to this individual provider in the NPPES registry on July 26, 2021.
Where is Kieu Tonnu located?
Kieu Tonnu practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.
What is Kieu Tonnu's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Kieu Tonnu enrolled in Medicare?
Yes. Kieu Tonnu 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 Kieu Tonnu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kieu Tonnu reassigns Medicare benefits to 4 organizations: City Of Hope Medical Foundation (Duarte, CA), Southern California Permanente Medical Group (Baldwin Park, CA), Innovative Minimally Invasive Imaging & Therapeutics, Inc (Rancho Cucamonga, CA) and Digestive Health Associates Of Southern California (Santa Monica, 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 Kieu Tonnu'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 Kieu Tonnu was last updated on December 22, 2023. 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.
# Kieu My Tonnu, RN, CRNA · NPI 1326711540
Nurse Anesthetist, Certified Registered physician in Duarte, California. Individual provider, active in the CMS NPPES registry since July 26, 2021.
## Identity
- **NPI:** 1326711540 (Entity type: Individual)
- **Enumerated:** July 26, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001998 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (626) 256-4673
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Southern California Permanente Medical Group (NPI 1770515280, Baldwin Park, CA); Innovative Minimally Invasive Imaging & Therapeutics, Inc (NPI 1952758849, Rancho Cucamonga, CA); Digestive Health Associates Of Southern California (NPI 1043098619, Santa Monica, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** December 22, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1326711540) · Data from the CMS NPPES public registry.