DONALD TAN MD
NPI 1659900454
Otolaryngology in Aurora, CO
About Donald Tan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD TAN MD (NPI 1659900454) is an individual otolaryngology provider in Aurora, Colorado, licensed in Texas (V6407) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Parkland Health & Hospital System, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Donald Tan 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
2Medicare enrollment records show Donald Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, CO 80045
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
El Paso, TX 79902
- Reassigned Medicare billing, Texas enrollment
- 5,299 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parkland Health & Hospital System
Acute Care Hospitals · Dallas, TXUt Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
AURORA, CO 80045
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 Donald Tan's NPI number?
The NPI number for Donald Tan is 1659900454. It was assigned to this individual provider in the NPPES registry on April 3, 2020.
Where is Donald Tan located?
Donald Tan practices at 1635 Aurora Ct, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Donald Tan's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Donald Tan enrolled in Medicare?
Yes. Donald Tan 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 Donald Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Tan reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Aurora, CO) and University Of Texas Southwestern Medical Center At Dallas (El Paso, TX). 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 Donald Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Tan accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Donald 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.
Is Donald Tan affiliated with any hospitals?
According to CMS data, Donald Tan is affiliated with Parkland Health & Hospital System and Ut Southwestern University Hospital - William P. Clements Jr..
When was this NPI record last updated?
The NPPES record for Donald Tan was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Donald Tan, MD · NPI 1659900454
Otolaryngology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since April 3, 2020.
## Identity
- **NPI:** 1659900454 (Entity type: Individual)
- **Enumerated:** April 3, 2020
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** V6407 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1635 AURORA CT, Aurora, CO 80045-2517
- **Phone:** (720) 848-0000
## 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): University Physicians Incorporated (NPI 1730347113, Aurora, CO); University Of Texas Southwestern Medical Center At Dallas (NPI 1235384199, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659900454) · Data from the CMS NPPES public registry.