NPPES file of Aug 9, 2026

Yvonne Diaz, O.D.

Optometrist · McAllen, TX

Yvonne Diaz, O.D. is an optometrist with a practice address in McAllen, Texas, and NPI 1306828041, issued on Nov 17, 2005. Check the license (Texas 4965TG, 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
1306828041
Name
Yvonne Diaz
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
4965TG TX
Self-reported in NPPES; status is on the state search
Practice location
8001 N 10TH St Ste 140, McAllen, TX 78504
Phone
(956) 200-2020
Enumerated
Nov 17, 2005
Record last updated
Oct 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(956) 340-4278
Medicare enrollment
Enrolled (PECOS I20100106000568); accepts Medicare assignment
Medical or professional school
University Of Houston - College Of Optometry, 1994
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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Verify Yvonne Diaz 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 4965TG
    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
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94% fewer Medicare Part D claims than the average optometrist in 2024

18 Medicare Part D claims for 13 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Yvonne Diaz18
  2. Specialty average277

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: $378.76

11 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Yvonne Diaz$378.76
  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.

Yvonne Diaz among 5,006 optometrist records in Texas

Yvonne Diaz, O.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1994 · median 2010 among the 2,894 with a school on file
  • Record last updated2021 · 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).

39 optometrist records list a practice address in McAllen

They are 39 of the 3,518 NPPES records with a practice address in McAllen, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Kriselda Alvarado, O.D.McAllen, TX 785041912961020
  2. Nicholas Antoni, O.D.McAllen, TX 785041548390727
  3. Stephanie Avendano, ODMcAllen, TX 785041972348498
  4. Melissa Banuelos, ODMcAllen, TX 785041184461907
  5. William Bieker, O.D.McAllen, TX 785041508964032
  6. Vanessa Chang, O.D.McAllen, TX 785041386869451
  7. Diana Fuentes, ODMcAllen, TX 785041588731632
  8. Felipe Gutierrez, ODMcAllen, TX 785041265301170

Common questions

What is Yvonne Diaz, O.D.'s NPI number?

Yvonne Diaz, O.D.'s National Provider Identifier (NPI) is 1306828041, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Yvonne Diaz, O.D. located?

The NPPES record lists a practice address at 8001 N 10TH St Ste 140, McAllen, TX, 78504. Phone: (956) 200-2020. Providers update this record themselves, so call before visiting.

How can I verify Yvonne Diaz, O.D.'s license?

NPPES lists Texas license number 4965TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Yvonne Diaz, O.D. prescribe under Medicare Part D?

In 2024, Yvonne Diaz, O.D. had 18 Medicare Part D claims for 13 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.