LIEN TRIEU DO
NPI 1487185120
Internal Medicine in New York, NY
About Lien Trieu Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIEN TRIEU DO (NPI 1487185120) is an individual internal medicine provider in New York, New York, licensed in New York (304350) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Lien Trieu Do 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 Lien Trieu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: One Medical Of Ny PC
- 139 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lien Trieu's NPI number?
The NPI number for Lien Trieu is 1487185120. It was assigned to this individual provider in the NPPES registry on March 24, 2017.
Where is Lien Trieu located?
Lien Trieu practices at 48 W 30th Street 2nd Floor, New York, NY 10001. The listed phone number is (888) 663-6331.
What is Lien Trieu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lien Trieu enrolled in Medicare?
Yes. Lien Trieu 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 Lien Trieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lien Trieu reassigns Medicare benefits to 2 organizations: One Medical Of Ny, P.C. (New York, NY) and Montefiore Medical Center (New York, NY). 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 Lien Trieu'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 Lien Trieu was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Lien Trieu, DO · NPI 1487185120
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 24, 2017.
## Identity
- **NPI:** 1487185120 (Entity type: Individual)
- **Enumerated:** March 24, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 304350 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 48 W 30TH STREET, 2ND FLOOR, New York, NY 10001
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## 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): One Medical Of Ny, P.C. (NPI 1861709487, New York, NY); Montefiore Medical Center (NPI 1760288278, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1487185120) · Data from the CMS NPPES public registry.