Darrin James Karcher, OD
Optometrist · Van Wert, OH
Darrin James Karcher, OD is an optometrist with a practice address in Van Wert, Ohio, and NPI 1235100652, issued on Feb 1, 2006. Check the license (Ohio 4944, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darrin James Karcher
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4944 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1183 Westwood Drive, Van Wert, OH 45891
- Phone
- (419) 238-9244
- Enumerated
- Feb 1, 2006
- Record last updated
- Feb 7, 2022
- Fax
- (419) 238-4695
- Medicaid ID
- 2445296 OH
- Medicare enrollment
- Enrolled (PECOS I20040304000053); accepts Medicare assignment
- Medical or professional school
- Ohio State University - College Of Optometry, 1998
- Entity
- Type 1 · individual
Also registered at 1183 Westwood Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Bidlack, O.D.Optometrist1356312888
Verify Darrin James Karcher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 4944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average optometrist in 2024
131 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Latanoprost49 claims
- Timolol Maleate18 claims
- Neomycin-Polymyxin-Dexameth16 claims
- Travoprost12 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: $54.98
3 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.
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
- Van Wert Vision LtdVan Wert, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Ohio
There are 2,443 optometrist records in Ohio.
Other optometrist records in Ohio
- Saif AbdulameerBlue Ash, OH1063368496
- Nicole Abrashoff, O.D.Chillicothe, OH1588772933
- Thomas Abruzzi, O.D.Warren, OH1588669790
- Laird Ackerson, O.D.Hilliard, OH1609880624
- Kaitlin Ackinclose, ODCincinnati, OH1669231262
- Cheryl Adams, O.D.Cincinnati, OH1356361570
- Stephany Aeling, ODChillicothe, OH1689508269
- Cindy Ahern, ODSpringfield, OH1710040704
- Betsy Ahlquist, O.D.Canfield, OH1578540092
- Jeffrey Ahrns, O.D.Sidney, OH1659334704
Common questions
What is Darrin James Karcher, OD's NPI number?
Darrin James Karcher, OD's National Provider Identifier (NPI) is 1235100652, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darrin James Karcher, OD located?
The NPPES record lists a practice address at 1183 Westwood Drive, Van Wert, OH, 45891. Phone: (419) 238-9244. Providers update this record themselves, so call before visiting.
How can I verify Darrin James Karcher, OD's license?
NPPES lists Ohio license number 4944, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Darrin James Karcher, OD prescribe under Medicare Part D?
In 2024, Darrin James Karcher, OD had 131 Medicare Part D claims for 51 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.