DR. GRACE X. TAN MD
NPI 1619389020
Otolaryngology - Pediatric Otolaryngology in Eugene, OR
About Dr. Grace X. Tan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE X. TAN MD (NPI 1619389020) is an individual pediatric otolaryngology provider in Eugene, Oregon, licensed in Oregon (MD201443) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Grace X. Tan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Grace Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eugene, OR 97403
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 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.
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EUGENE, OR 97401
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 Grace Tan's NPI number?
The NPI number for Grace Tan is 1619389020. It was assigned to this individual provider in the NPPES registry on May 20, 2014.
Where is Grace Tan located?
Grace Tan practices at 1200 Hilyard St Ste 620, Eugene, OR 97401. The listed phone number is (458) 205-6500.
What is Grace Tan's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Grace Tan enrolled in Medicare?
Yes. Grace Tan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grace Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Tan reassigns Medicare benefits to 2 organizations: University Professional Services (Eugene, OR) and Legacy Emanuel Hospital & Health Center (Portland, OR). 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 Grace Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Tan accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Grace Tan 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 Grace Tan was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.