DR. TSUNG-YEN HSIEH MD
NPI 1548505100
Otolaryngology - Plastic Surgery within the Head & Neck in Los Angeles, CA
About Dr. Tsung-yen Hsieh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TSUNG-YEN HSIEH MD (NPI 1548505100) is an individual plastic surgery within the head & neck provider in Los Angeles, California, licensed in California (A140264) and active in the NPI registry since December 2012. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Tsung-yen Hsieh Md 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 Tsung-yen Hsieh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Glendale, CA 91204
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Cincinnati, OH 45219
- Reassigned Medicare billing, Ohio enrollment
- 2,038 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 4
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.
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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Tsung-yen Hsieh's NPI number?
The NPI number for Tsung-yen Hsieh is 1548505100. It was assigned to this individual provider in the NPPES registry on December 6, 2012.
Where is Tsung-yen Hsieh located?
Tsung-yen Hsieh practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 660-2450.
What is Tsung-yen Hsieh's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Plastic Surgery within the Head & Neck, with taxonomy code 207YX0007X.
Is Tsung-yen Hsieh enrolled in Medicare?
Yes. Tsung-yen Hsieh 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 Tsung-yen Hsieh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tsung-yen Hsieh reassigns Medicare benefits to 4 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), Michael Bublik MD PC (Glendale, CA), Usc Care Medical Group, Inc (Los Angeles, CA) and University Of Cincinnati Physicians Company, LLC (Cincinnati, OH). 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 Tsung-yen Hsieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tsung-yen Hsieh accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Oscar Health Insurance list Tsung-yen Hsieh 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 Tsung-yen Hsieh was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Tsung-Yen Hsieh, MD · NPI 1548505100
Plastic Surgery within the Head & Neck physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since December 6, 2012.
## Identity
- **NPI:** 1548505100 (Entity type: Individual)
- **Enumerated:** December 6, 2012
- **Primary specialty:** Otolaryngology - Plastic Surgery within the Head & Neck · taxonomy 207YX0007X
- **State license:** A140264 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, Los Angeles, CA 90027-6062
- **Phone:** (323) 660-2450
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Michael Bublik MD PC (NPI 1467749903, Glendale, CA); Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); University Of Cincinnati Physicians Company, LLC (NPI 1801840434, Cincinnati, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** May 11, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1548505100) · Data from the CMS NPPES public registry.