Registry data as of Aug 27, 2026

D'Aun Hajdu, O.D.

Optometrist · Aspen, CO

D'Aun Hajdu, O.D. is an optometrist with a practice address in Aspen, Colorado, and NPI 1558599373, issued on Jul 1, 2009. Check the license (Colorado 2735, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558599373
Name
D'Aun Hajdu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
2735 CO
CO2735 CO
Self-reported in NPPES; status is on the state search
Practice location
525 E Cooper Ave, Aspen, CO 81611
Phone
(970) 236-9252
Enumerated
Jul 1, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify D'Aun Hajdu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 2735
    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 Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

70% fewer Medicare Part D claims than the average optometrist in 2024

83 Medicare Part D claims for 51 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. D'Aun Hajdu83
  2. Specialty average279

Most prescribed

  1. Neomycin-Polymyxin-Dexameth42 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.

Optometrist providers in Colorado

There are 1,248 optometrist records in Colorado.

Other optometrist records in Colorado

  1. Kaleb Abbott, ODAurora, CO1396230421
  2. Amy Abel, O.D.Fort Collins, CO1295724516
  3. Gregory Abel, O.D.Ft Collins, CO1720077043
  4. Brian Abert, O.D.Arvada, CO1134383094
  5. Ritu Abraham, ODAurora, CO1316695489
  6. Andrew Achziger, O.D.Greeley, CO1487603049
  7. Andrew Adamich, ODBayfield, CO1740279116
  8. Heather Adams, ODFrisco, CO1194618934
  9. Heather Adler, O.D.Northglenn, CO1518266188
  10. Brianna Aheimer, ODDenver, CO1811874597

Common questions

What is D'Aun Hajdu, O.D.'s NPI number?

D'Aun Hajdu, O.D.'s National Provider Identifier (NPI) is 1558599373, issued on Jul 1, 2009. An NPI identifies a provider in billing; it is not a license.

Where is D'Aun Hajdu, O.D. located?

The NPPES record lists a practice address at 525 E Cooper Ave, Aspen, CO, 81611. Phone: (970) 236-9252. Providers update this record themselves, so call before visiting.

How can I verify D'Aun Hajdu, O.D.'s license?

NPPES lists Colorado license number 2735, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does D'Aun Hajdu, O.D. prescribe under Medicare Part D?

In 2024, D'Aun Hajdu, O.D. had 83 Medicare Part D claims for 51 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.