DR. DAVID DANG TIEU M.D.
NPI 1861658718
Otolaryngology - Pediatric Otolaryngology in Los Angeles, CA
About Dr. David Dang Tieu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID DANG TIEU M.D. (NPI 1861658718) is an individual pediatric otolaryngology provider in Los Angeles, California, licensed in California (A120391) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. David Dang Tieu 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 Reassignment
Medicare enrollment records show David Tieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 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.
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 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 David Tieu's NPI number?
The NPI number for David Tieu is 1861658718. It was assigned to this individual provider in the NPPES registry on July 30, 2008.
Where is David Tieu located?
David Tieu practices at 4900 W Sunset Blvd 6th Floor, Head And Neck Surgery, Los Angeles, CA 90027. The listed phone number is (800) 954-8000.
What is David Tieu's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is David Tieu enrolled in Medicare?
Yes. David Tieu 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 organization bills Medicare for David Tieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tieu reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The 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 David Tieu'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 David Tieu was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. David Dang Tieu, M.D. · NPI 1861658718
Pediatric Otolaryngology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 30, 2008.
## Identity
- **NPI:** 1861658718 (Entity type: Individual)
- **Enumerated:** July 30, 2008
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** A120391 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4900 W SUNSET BLVD, 6TH FLOOR, HEAD AND NECK SURGERY, Los Angeles, CA 90027-5814
- **Phone:** (800) 954-8000 · **Fax:** (323) 783-8211
## 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:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** November 30, 2021
- **Other identifiers:** Other A120391 (CA); Other 60208875 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1861658718) · Data from the CMS NPPES public registry.