Loukia Hadjiyianni, OD
Optometrist · Napa, CA
Loukia Hadjiyianni, OD is an optometrist with a practice address in Napa, California, and NPI 1083287015, issued on Jul 19, 2021. Check the license (California 34829, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Loukia Hadjiyianni
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34829 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1104 Pear Tree LN, Napa, CA 94558
- Phone
- (707) 252-5380
- Enumerated
- Jul 19, 2021
- Record last updated
- Jul 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210916001794); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1104 Pear Tree LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregg Beach, O.D.Optometrist1295705010
- Tempus Fugit, O.D.Optometrist1962472795
- Samuel Herbert, O.D.Optometrist1023396355
Verify Loukia Hadjiyianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $26.25
1 payment: food and beverage; the largest payer was CooperVision 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.
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
- Napa Valley Optometric Grp A Prof CorpNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Loukia Hadjiyianni among 8,308 optometrist records in California
Loukia Hadjiyianni, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2021 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Napa → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Elizabeth Agbuya, O.D.Napa, CA 945581104350651
- Gregg Beach, O.D.Napa, CA 945581295705010
- Patrick Casey, ODNapa, CA 945581518963222
- Tempus Fugit, O.D.Napa, CA 945581962472795
- Jared Hayashi, O.D.Napa, CA 945581598171027
- Samuel Herbert, O.D.Napa, CA 945581023396355
- Michelle Kerr, O.D.Napa, CA 945581881774164
- Tamara LewisNapa, CA 945581972698462
Common questions
What is Loukia Hadjiyianni, OD's NPI number?
Loukia Hadjiyianni, OD's National Provider Identifier (NPI) is 1083287015, issued on Jul 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Loukia Hadjiyianni, OD located?
The NPPES record lists a practice address at 1104 Pear Tree LN, Napa, CA, 94558. Phone: (707) 252-5380. Providers update this record themselves, so call before visiting.
How can I verify Loukia Hadjiyianni, OD's license?
NPPES lists California license number 34829, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.