TAN KIM DUONG OD
NPI 1396351490
Optometrist in Westminster, MD
About Tan Kim Duong Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAN KIM DUONG OD (NPI 1396351490) is an individual optometrist in Westminster, Maryland, licensed in Maryland (TA2776) and active in the NPI registry since September 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).
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
Tan Kim Duong Od 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
3Medicare enrollment records show Tan Duong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westminster, MD 21157
- Reassigned Medicare billing, Maryland enrollment
- 78 clinicians in this Medicare group
Ellicott City, MD 21042
- Reassigned Medicare billing, District of Columbia enrollment
- 187 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 49 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 21157 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTMINSTER, MD 21157
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 Tan Duong's NPI number?
The NPI number for Tan Duong is 1396351490. It was assigned to this individual provider in the NPPES registry on September 23, 2020.
Where is Tan Duong located?
Tan Duong practices at 826 Washington Rd Ste 200, Westminster, MD 21157. The listed phone number is (410) 876-3333.
What is Tan Duong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Tan Duong enrolled in Medicare?
Yes. Tan Duong 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 Tan Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tan Duong reassigns Medicare benefits to 3 organizations: Chesapeake Eye Care & Laser Center LLC (Westminster, MD), Myeyedr Optometry Of Maryland, LLC (Ellicott City, MD) and Rockville Optometry, LLC (Rockville, MD). 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 Tan Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tan Duong accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Tan Duong 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 Tan Duong was last updated on March 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.