Courtney L. Wintjen, OD
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 64
- Industry payments
- $72
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 1423 N Jefferson Ave, Springfield, MO 65802
- Practice phone
- Call (417) 269-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cox North Hospital
Springfield, Missouri
Find Courtney Wintjen'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.
Courtney L. Wintjen is an optometrist in Springfield, Missouri
Courtney Wintjen practices at Cox North Hospital in Springfield, Missouri.
Courtney Wintjen's NPI, 1801907670, was assigned on August 31, 2006. Courtney Wintjen graduated from University of Missouri St Louis - School of Optometry in 2006. Courtney Wintjen holds Missouri license 2006017342.
- NPI
- 1801907670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931354396
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (417) 269-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Courtney L. Wintjen practices at Cox North Hospital in Springfield, Missouri
Courtney Wintjen's primary practice is Cox North Hospital, at 1423 N Jefferson Ave, Springfield, MO 65802 in Greene County. The practice phone is (417) 269-6000.
- Cox North Hospital1423 N Jefferson Ave, Springfield, MO 65802 · Greene CountyPhone(417) 269-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Courtney L. Wintjen is affiliated with 3 sites of care and 2 medical groups
Courtney Wintjen's primary practice is Cox North Hospital in Springfield, Missouri. Dmand AI also links Courtney Wintjen to 2 group practices and clinics and 2 medical groups, 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 Courtney L. Wintjen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Courtney Wintjen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cox North Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Courtney L. Wintjen is one of 866 optometrists in Missouri
Optometrist is Courtney Wintjen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Courtney Wintjen is licensed in Missouri.
Specialties and state licenses
- Optometrist, MissouriPrimary
Optometrists near Courtney Wintjen
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
Courtney L. Wintjen treated 158 Medicare patients in 2024, average age 70
CMS counts 158 Medicare patients who saw Courtney Wintjen in 2024. The largest group is 65 to 74, with 88 patients. 69% of them have high cholesterol, and 57% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Courtney Wintjen's median patient age at 71, with 59% women.
Courtney Wintjen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Courtney Wintjen's Medicare patients by sex, 2024
- Women9560%
- Men6340%
Chronic conditions among Courtney Wintjen's Medicare patients, 2024
- High cholesterol69%
- High blood pressure57%
- Arthritis43%
- Mood disorders29%
- Depression23%
- Diabetes23%
- Chronic kidney disease20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Courtney Wintjen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Courtney L. Wintjen wrote 64 Medicare Part D claims in 2024
In 2024, Courtney Wintjen wrote 64 Medicare Part D claims for 27 patients. 73% of them were for generic drugs.
Courtney Wintjen's Part D claims by kind of drug, 2024
- Generic47 claims73%
- Brand-name17 claims27%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Courtney L. Wintjen ranks in the 48th percentile for cataract surgery in Medicare
Courtney Wintjen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Courtney Wintjen, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Courtney Wintjen ranks in Medicare procedure volume
- Cataract surgery
- 48th percentile24 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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Courtney L. Wintjen received $72 in industry payments in 2025
CMS Open Payments shows 3 general payments to Courtney Wintjen from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Oyster Point Pharma, Inc. paid the most, $32.
Companies that paid Courtney Wintjen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Courtney L. Wintjen graduated from University of Missouri St Louis - School of Optometry
Courtney Wintjen graduated from University of Missouri St Louis - School of Optometry in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Courtney L. Wintjen'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 Courtney L. Wintjen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Courtney L. Wintjen's NPI number?
Courtney L. Wintjen's NPI number is 1801907670. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What does Courtney L. Wintjen specialize in?
Courtney L. Wintjen is an optometrist in Springfield, Missouri. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Courtney L. Wintjen practice?
Courtney Wintjen practices at 1423 N Jefferson Ave, Springfield, MO 65802. Courtney Wintjen's primary practice is Cox North Hospital in Springfield, Missouri. Dmand AI also links Courtney Wintjen to 2 group practices and clinics and 2 medical groups.
What is Courtney L. Wintjen's office phone number?
The practice phone on file for Courtney Wintjen is (417) 269-6000.
What is Courtney L. Wintjen's medical license number?
Courtney Wintjen holds Missouri license 2006017342.
Does Courtney L. Wintjen accept Medicare?
Yes. CMS lists Courtney Wintjen as accepting Medicare assignment.
How many Medicare patients does Courtney L. Wintjen see?
CMS counts 158 Medicare patients who saw Courtney Wintjen in 2024, with an average age of 70.
Where did Courtney L. Wintjen go to medical school?
Courtney Wintjen graduated from University of Missouri St Louis - School of Optometry in 2006.
Has Courtney L. Wintjen received payments from drug or device companies?
CMS Open Payments shows $72 in general payments to Courtney Wintjen from 3 companies from 2025 to 2025. The largest total came from Oyster Point Pharma, Inc.
How long has Courtney L. Wintjen been practicing?
Courtney Wintjen graduated from medical school in 2006, 20 years ago.
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