DR. DIANA THI NGUYEN (O.D.) – Corneal and Contact Management Optometrist, NPI 1255302477

DR. DIANA THI NGUYEN (O.D.) is a healthcare provider. based in Plano, Texas. specializing in Corneal and Contact Management Optometrist. They hold the professional credentials O.D.. They hold a License No. 5349T (TX). The NPI Number for DR. DIANA THI NGUYEN (O.D.) is 1255302477

Main info

Female
Sole Proprietor
30 Years Of Experience
Accepts Medicare Assignment
Name
DR. DIANA THI NGUYEN (O.D.)
NPI
1255302477
Phone
(214) 341-0422
Address
8013 STILL SPRINGS DR
Enumeration Date
27 January 2006
Last Update Date
2 October 2019

Doctor Profile

Medical School Name
SOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Secondary Phone
2143410422
Graduation Year
1996 (30 years ago)
PAC ID
8123061686
Professional Enrollment ID
I20050606000699
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. DIANA THI NGUYEN (O.D.)

  • 8013, Still Springs Drive, Plano, Collin County, Texas, 75025, United States

    PLANO, TX 750253947

    Phone: (214) 341-0422

    Fax: (214) 341-0422

    Type: Mailing

  • Sam's Club, 12000, McCree Road, Zacha Junction, Dallas, Dallas County, Texas, 75238, United States

    DALLAS, TX 752383275

    Phone: (214) 341-0422

    Fax: (241) 341-0422

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $77.

Total Amount is formed as General ($77) + Research ($0) + Ownership ($0) = $77.

Last reported payment date: 2024-05-09 • Largest payer in this snapshot: Johnson & Johnson Vision Care, Inc. ($77).

Total Amount

$77

General + Research + Ownership

Payments

1

Total payment records

General Amount

$77

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-09

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-06-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050606000699IOptometryTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 75025)

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Provider's Procedures

DR. DIANA THI NGUYEN (O.D.) performs procedures in Corneal and Contact Management Optometrist. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYTX92012Eye and medical examination for diagnosis and treatment, established patient2016
OPTOMETRYTX92083Measurement of field of vision during daylight conditions8079

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Frequently asked questions

What is DR. DIANA THI NGUYEN (O.D.)'s NPI number?
DR. DIANA THI NGUYEN (O.D.)'s NPI is 1255302477 — the number used across U.S. healthcare to identify this provider.
Is there an active status for DR. DIANA THI NGUYEN (O.D.)?
For scheduling context, DR. DIANA THI NGUYEN (O.D.) is shown as active in the registry.
How would a patient describe DR. DIANA THI NGUYEN (O.D.)'s focus?
For DR. DIANA THI NGUYEN (O.D.), the primary taxonomy reads as Corneal and Contact Management Optometrist. Clinical services aligned with this taxonomy classification.
Is DR. DIANA THI NGUYEN (O.D.) located near Plano?
DR. DIANA THI NGUYEN (O.D.) currently maps to Plano, Texas in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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