CATHERINE THIEN TRINH DINH OD
NPI 1427430925
Optometrist in Arlington, TX
About Catherine Thien Trinh Dinh Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE THIEN TRINH DINH OD (NPI 1427430925) is an individual optometrist in Arlington, Texas, licensed in Texas (8640) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2015).
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
Catherine Thien Trinh Dinh 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
2Medicare enrollment records show Catherine Dinh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, TX 76011
- Reassigned Medicare billing, Texas enrollment
- 396 clinicians in this Medicare group
Arlington, TX 76017
- Reassigned Medicare billing, Texas enrollment
- 6 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
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 76011 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Catherine Dinh's NPI number?
The NPI number for Catherine Dinh is 1427430925. It was assigned to this individual provider in the NPPES registry on June 22, 2015.
Where is Catherine Dinh located?
Catherine Dinh practices at 827 E Lamar Blvd, Arlington, TX 76011. The listed phone number is (817) 275-0655.
What is Catherine Dinh's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Catherine Dinh enrolled in Medicare?
Yes. Catherine Dinh 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 Catherine Dinh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Dinh reassigns Medicare benefits to 2 organizations: Med Southwest, PLLC (Arlington, TX) and Dann Martin O.D.,p.A. (Arlington, 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 Catherine Dinh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Dinh 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 17 other insurers list Catherine Dinh 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 Catherine Dinh was last updated on July 17, 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.
# Catherine Thien Trinh Dinh, OD · NPI 1427430925
Optometrist provider in Arlington, Texas. Individual provider, active in the CMS NPPES registry since June 22, 2015.
## Identity
- **NPI:** 1427430925 (Entity type: Individual)
- **Enumerated:** June 22, 2015
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 8640 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 827 E LAMAR BLVD, Arlington, TX 76011-3504
- **Phone:** (817) 275-0655
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Med Southwest, PLLC (NPI 1023850898, Arlington, TX); Dann Martin O.D.,p.A. (NPI 1871714683, Arlington, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 2015
## Record status
- **NPPES last updated:** July 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1427430925) · Data from the CMS NPPES public registry.