DR. YEN DANG NIEMAN M.D.
NPI 1295825784
Ophthalmology in Austin, TX
About Dr. Yen Dang Nieman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YEN DANG NIEMAN M.D. (NPI 1295825784) is an individual ophthalmology provider in Austin, Texas, licensed in Texas (L6337) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1999).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Yen Dang Nieman 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 Yen Nieman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78731
- Reassigned Medicare billing, Texas enrollment
- 22 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 11
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 78731 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTIN, TX 78731
AUSTIN, TX 78731
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 Yen Nieman's NPI number?
The NPI number for Yen Nieman is 1295825784. It was assigned to this individual provider in the NPPES registry on October 13, 2006. The provider is also known as Dr. Ngoc-Yen Thi Dang M.D..
Where is Yen Nieman located?
Yen Nieman practices at 5717 Balcones Dr, Austin, TX 78731. The listed phone number is (512) 327-7000.
What is Yen Nieman's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Yen Nieman enrolled in Medicare?
Yes. Yen Nieman 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 Yen Nieman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yen Nieman reassigns Medicare benefits to Texan Eye, PA (Austin, TX). 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 Yen Nieman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yen Nieman accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 19 other insurers list Yen Nieman 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 Yen Nieman was last updated on January 3, 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.