NPPES file of Aug 9, 2026

Katherine Mailien Dang

Optometrist · Cedar Park, TX

Katherine Mailien Dang is an optometrist with a practice address in Cedar Park, Texas, and NPI 1578162004, issued on Oct 26, 2020. Check the license (Texas 9993, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578162004
Name
Katherine Mailien Dang
Primary taxonomy
Optometrist 152W00000X
License number
9993 TX
Self-reported in NPPES; status is on the state search
Practice location
908 W Whitestone Blvd Ste 100, Cedar Park, TX 78613
Phone
(512) 259-2020
Enumerated
Oct 26, 2020
Record last updated
Jul 9, 2023
Medicare enrollment
Enrolled (PECOS I20210506000582); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 908 W Whitestone Blvd Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Taylor Rains, ODOptometrist1518708858
  2. Kimberly Wampler, O.D.Optometrist1922289552

Verify Katherine Mailien Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 9993
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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88% fewer Medicare Part D claims than the average optometrist in 2024

34 Medicare Part D claims for 22 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Katherine Dang34
  2. Specialty average277

Most prescribed

  1. Neomycin-Polymyxin-Dexameth13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $34.63

2 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Dang$34.63
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cedar Park Vision CenterCedar Park, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Mailien Dang among 5,006 optometrist records in Texas

Katherine Mailien Dang is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.

  • NPI issued2020 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2020 · median 2010 among the 2,894 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 optometrist records list a practice address in Cedar Park

They are 42 of the 1,650 NPPES records with a practice address in Cedar Park, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Angela Adkins, O.D.Cedar Park, TX 786131588722284
  2. Virginia Bougher, O.D.Cedar Park, TX 786131235167677
  3. Mark Dworsky, O.D.Cedar Park, TX 786131073533675
  4. Bridgette Fuller, ODCedar Park, TX 786131528025582
  5. Loni Hoang, O.D.Cedar Park, TX 786131760532568
  6. Dipa Kodukula, O.D.Cedar Park, TX 786131730163494
  7. Oliver Lou, O.D.Cedar Park, TX 786131528154002
  8. Dennis McCarty, ODCedar Park, TX 786131083785950

Common questions

What is Katherine Mailien Dang's NPI number?

Katherine Mailien Dang's National Provider Identifier (NPI) is 1578162004, issued on Oct 26, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Mailien Dang located?

The NPPES record lists a practice address at 908 W Whitestone Blvd Ste 100, Cedar Park, TX, 78613. Phone: (512) 259-2020. Providers update this record themselves, so call before visiting.

How can I verify Katherine Mailien Dang's license?

NPPES lists Texas license number 9993, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Mailien Dang prescribe under Medicare Part D?

In 2024, Katherine Mailien Dang had 34 Medicare Part D claims for 22 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.