John Warren Decoursey, O.D.
Optometrist · Vincennes, IN
John Warren Decoursey, O.D. is an optometrist with a practice address in Vincennes, Indiana, and NPI 1467681874, issued on Jul 7, 2009. Check the license (Indiana 18003581A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Warren Decoursey
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 18003581A IN
Self-reported in NPPES; status is on the state search - Practice location
- 223 Main St, Vincennes, IN 47591
- Phone
- (812) 882-4809
- Enumerated
- Jul 7, 2009
- Record last updated
- Apr 21, 2022
- Fax
- (812) 882-9485
- Medicaid ID
- 201098530 IN
- Medicare enrollment
- Enrolled (PECOS I20120809000887); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 2009
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,578 in Indiana → Look up another NPI →
Also registered at 223 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathaniel Baker, O.D.Optometrist1891751202
- Eli Hendrix, O.D.Optometrist1205892262
- Eli Hendrix, ODOptometrist1801109657
- John Hendrix, O.D.Optometrist1215991104
- Mark Hendrix, O.D.Optometrist1669436564
- Jason Rodriguez, ODOptometrist1568014009
Verify John Warren Decoursey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 18003581ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average optometrist in 2024
465 Medicare Part D claims for 122 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost229 claims
- Neomycin-Polymyxin-Dexameth40 claims
- Brimonidine Tartrate34 claims
- Timolol Maleate28 claims
- Prednisolone Acetate24 claims
- Doxycycline Hyclate21 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: $53.90
3 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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
- Hendrix Optometric CorporationVincennes, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Warren Decoursey among 1,578 optometrist records in Indiana
John Warren Decoursey, O.D. is one of 1,578 optometrist records with a practice address in Indiana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2008 among the 1,014 with a school on file
- Record last updated2022 · 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 optometrist records list a practice address in Vincennes
They are 15 of the 720 NPPES records with a practice address in Vincennes, and 1,578 optometrist records in Indiana.
All 1,578 in Indiana → Every provider in Vincennes → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nathaniel Baker, O.D.Vincennes, IN 475911891751202
- Miriam Boyd, ODVincennes, IN 475911720078397
- Corey Bray, ODVincennes, IN 475911891881165
- Cole Claycomb, ODVincennes, IN 475911730750399
- Stephanie Day-Keller, O.D.Vincennes, IN 475911558397307
- Mark Hendrix, O.D.Vincennes, IN 475911669436564
- John Hendrix, O.D.Vincennes, IN 475911215991104
- Eli Hendrix, O.D.Vincennes, IN 475911205892262
Common questions
What is John Warren Decoursey, O.D.'s NPI number?
John Warren Decoursey, O.D.'s National Provider Identifier (NPI) is 1467681874, issued on Jul 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Warren Decoursey, O.D. located?
The NPPES record lists a practice address at 223 Main St, Vincennes, IN, 47591. Phone: (812) 882-4809. Providers update this record themselves, so call before visiting.
How can I verify John Warren Decoursey, O.D.'s license?
NPPES lists Indiana license number 18003581A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does John Warren Decoursey, O.D. prescribe under Medicare Part D?
In 2024, John Warren Decoursey, O.D. had 465 Medicare Part D claims for 122 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.