Darrin James Karcher, OD
- Medicare patients, 2024
- 371
- Part D claims, 2024
- 131
- Industry payments
- $27
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1183 Westwood Dr, Van Wert, OH 45891
- Practice phone
- Call (419) 238-9244
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Van Wert Vision Ltd
Van Wert, Ohio
Find Darrin Karcher's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Darrin James Karcher is an optometrist in Van Wert, Ohio
Darrin Karcher practices at Van Wert Vision Ltd in Van Wert, Ohio.
Darrin Karcher's NPI, 1235100652, was assigned on February 1, 2006. Darrin Karcher graduated from Ohio State University - College of Optometry in 1998. Darrin Karcher holds Ohio license 4944.
- NPI
- 1235100652NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002703972
- NPI enumeration date
- February 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 238-9244
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Darrin James Karcher practices at Van Wert Vision Ltd in Van Wert, Ohio
Darrin Karcher's primary practice is Van Wert Vision Ltd, at 1183 Westwood Dr, Van Wert, OH 45891 in Van Wert County. The practice phone is (419) 238-9244.
- Van Wert Vision Ltd1183 Westwood Dr, Van Wert, OH 45891 · Van Wert CountyPhone(419) 238-9244
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Darrin James Karcher is affiliated with 2 sites of care and 1 medical group
Darrin Karcher's primary practice is Van Wert Vision Ltd in Van Wert, Ohio. Dmand AI also links Darrin Karcher to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Darrin James Karcher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Darrin Karcher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Van Wert Vision Ltd | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Darrin James Karcher is one of 2,779 optometrists in Ohio
Optometrist is Darrin Karcher's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Darrin Karcher is licensed in Ohio.
Specialties and state licenses
- Optometrist, OhioPrimary
Optometrists near Darrin Karcher
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Darrin James Karcher treated 371 Medicare patients in 2024, average age 73
CMS counts 371 Medicare patients who saw Darrin Karcher in 2024. The largest group is 65 to 74, with 202 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Darrin Karcher's median patient age at 73, with 58% women.
Darrin Karcher's Medicare patients by age, 2024
Darrin Karcher's Medicare patients by sex, 2024
- Women22260%
- Men14940%
Chronic conditions among Darrin Karcher's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis40%
- Diabetes35%
- Ischemic heart disease33%
- Anxiety20%
- Atrial fibrillation20%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Darrin Karcher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women58%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Darrin James Karcher wrote 131 Medicare Part D claims in 2024
In 2024, Darrin Karcher wrote 131 Medicare Part D claims for 51 patients. 91% of them were for generic drugs.
Darrin Karcher's Part D claims by kind of drug, 2024
- Generic119 claims91%
- Brand-name12 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Darrin James Karcher ranks in the 52nd percentile for cataract surgery in Medicare
Darrin Karcher accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of cataract surgery by Darrin Karcher, more than 52% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Darrin Karcher ranks in Medicare procedure volume
- Cataract surgery
- 52nd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Darrin James Karcher received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Darrin Karcher from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $27.
Companies that paid Darrin Karcher the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Darrin James Karcher graduated from Ohio State University - College of Optometry
Darrin Karcher graduated from Ohio State University - College of Optometry in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Darrin James Karcher's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Darrin James Karcher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Darrin James Karcher's NPI number?
Darrin James Karcher's NPI number is 1235100652. It was assigned on February 1, 2006, and it is active in the NPI Registry.
What does Darrin James Karcher specialize in?
Darrin James Karcher is an optometrist in Van Wert, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Darrin James Karcher practice?
Darrin Karcher practices at 1183 Westwood Dr, Van Wert, OH 45891. Darrin Karcher's primary practice is Van Wert Vision Ltd in Van Wert, Ohio. Dmand AI also links Darrin Karcher to 1 group practice or clinic and 1 medical group.
What is Darrin James Karcher's office phone number?
The practice phone on file for Darrin Karcher is (419) 238-9244.
What is Darrin James Karcher's medical license number?
Darrin Karcher holds Ohio license 4944.
Does Darrin James Karcher accept Medicare?
Yes. CMS lists Darrin Karcher as accepting Medicare assignment.
How many Medicare patients does Darrin James Karcher see?
CMS counts 371 Medicare patients who saw Darrin Karcher in 2024, with an average age of 73.
Where did Darrin James Karcher go to medical school?
Darrin Karcher graduated from Ohio State University - College of Optometry in 1998.
Has Darrin James Karcher received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Darrin Karcher from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Darrin James Karcher been practicing?
Darrin Karcher graduated from medical school in 1998, 28 years ago.
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