NPPES file of Aug 9, 2026

Eric Nhan Giang Thai, O.D

Optometrist · Baton Rouge, LA

Eric Nhan Giang Thai, O.D is an optometrist with a practice address in Baton Rouge, Louisiana, and NPI 1649210873, issued on Jun 7, 2006. Check the license (Louisiana 1416-549T, as entered in NPPES) with the Louisiana 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
1649210873
Name
Eric Nhan Giang Thai
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License numbers
1416-549T LA
769 MS
Self-reported in NPPES; status is on the state search
Practice location
11331 Old Hammond Hwy, Baton Rouge, LA 70816
Phone
(225) 246-8830
Enumerated
Jun 7, 2006
Record last updated
Aug 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(225) 248-6208
Medicaid ID
1741051 LA
Medicare enrollment
Enrolled (PECOS I20070424000199); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 2005
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 Eric Nhan Giang Thai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 1416-549T
    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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73% more Medicare Part D claims than the average optometrist in 2024

479 Medicare Part D claims for 137 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Eric Thai479
  2. Specialty average277

Most prescribed

  1. Latanoprost130 claims
  2. Dorzolamide-Timolol77 claims
  3. Restasis73 claims
  4. Neomycin-Polymyxin-Dexameth31 claims
  5. Prednisolone Acetate22 claims
  6. Timolol Maleate20 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: $534.83

12 payments; by number, the most common kind was food and beverage; the largest payer was Optos, 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. Eric Thai$534.83
  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. Eric Thai OD, LLCBaton Rouge, LA

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

Eric Nhan Giang Thai among 540 optometrist records in Louisiana

Eric Nhan Giang Thai, O.D is one of 540 optometrist records with a practice address in Louisiana. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 58% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2005 · median 2010 among the 329 with a school on file
  • Record last updated2012 · 66% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Louisiana

There are 540 optometrist records in Louisiana.

The 8 optometrist records with the nearest ZIP codes

  1. Jonathan Bowman, ODBaton Rouge, LA 708161033423017
  2. Phuong Dinh, O.D.Baton Rouge, LA 708161922174804
  3. Donavon Lafleur, O.D.Baton Rouge, LA 708161649287913
  4. Shondra Moore, O.D.Baton Rouge, LA 708161275866683
  5. Kenneth Parker, O.D.Baton Rouge, LA 708161053462218
  6. Raeghan Parker, ODBaton Rouge, LA 708161710736871
  7. Daniel Smith, O.D.Baton Rouge, LA 708161215022173
  8. Khanh Trinh, O.D.Baton Rouge, LA 708161811201916

Common questions

What is Eric Nhan Giang Thai, O.D's NPI number?

Eric Nhan Giang Thai, O.D's National Provider Identifier (NPI) is 1649210873, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric Nhan Giang Thai, O.D located?

The NPPES record lists a practice address at 11331 Old Hammond Hwy, Baton Rouge, LA, 70816. Phone: (225) 246-8830. Providers update this record themselves, so call before visiting.

How can I verify Eric Nhan Giang Thai, O.D's license?

NPPES lists Louisiana license number 1416-549T, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Nhan Giang Thai, O.D prescribe under Medicare Part D?

In 2024, Eric Nhan Giang Thai, O.D had 479 Medicare Part D claims for 137 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.