Karen Dittmer, NP
- Part D claims, 2024
- 186
- Hospital affiliations
- 1
- Industry payments
- $383
- Medical group
- 1
- State license
- 1
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Karen Dittmer'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.
Karen Dittmer is a family nurse practitioner in Winfield, Illinois
Karen Dittmer practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Karen Dittmer's NPI, 1750520318, was assigned on February 5, 2009. Karen Dittmer holds Missouri license 144077.
- NPI
- 1750520318NPI Registry (opens in a new tab)
- NPI enumeration date
- February 5, 2009
- NPI status
- Active
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Karen Dittmer practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Karen Dittmer's primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Karen Dittmer is affiliated with 3 sites of care and 1 medical group
Karen Dittmer's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medicine Central DuPage Hospital. Dmand AI also links Karen Dittmer to 1 more breast imaging center and 1 clinical lab, each named with a free account. Karen Dittmer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Karen Dittmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Dittmer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Karen Dittmer is one of 7,275 family nurse practitioners in Illinois
Family is Karen Dittmer's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Karen Dittmer is licensed in Missouri.
Specialties and state licenses
- Family nurse practitioner, MissouriPrimary
Family nurse practitioners near Karen Dittmer
Counts of family nurse practitioners 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
Karen Dittmer's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Karen Dittmer's median patient age at 60, with 72% women.
Karen Dittmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women72%
- Men28%
Source: Dmand AI Patient Panel Data
Karen Dittmer wrote 186 Medicare Part D claims in 2024
In 2024, Karen Dittmer wrote 186 Medicare Part D claims for 42 patients. 82% of them were for generic drugs.
Karen Dittmer's Part D claims by kind of drug, 2024
- Generic152 claims82%
- Brand-name and other34 claims18%
Drug classes CMS tracks in Karen Dittmer's Part D claims, 2024
- Antibiotics7%13 of 186 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Karen Dittmer received $383 in industry payments in 2025
CMS Open Payments shows 18 general payments to Karen Dittmer from 10 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $153.
Companies that paid Karen Dittmer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Karen Dittmer'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Karen Dittmer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen Dittmer's NPI number?
Karen Dittmer's NPI number is 1750520318. It was assigned on February 5, 2009, and it is active in the NPI Registry.
What does Karen Dittmer specialize in?
Karen Dittmer is a family nurse practitioner in Winfield, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Karen Dittmer practice?
Karen Dittmer practices at 25 North Winfield Road, Winfield, IL 60190. Karen Dittmer's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Karen Dittmer to 1 breast imaging center and 1 clinical lab.
What is Karen Dittmer's office phone number?
The practice phone on file for Karen Dittmer is (630) 682-1600.
What is Karen Dittmer's medical license number?
Karen Dittmer holds Missouri license 144077.
Which hospitals is Karen Dittmer affiliated with?
Karen Dittmer practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
What medical group is Karen Dittmer part of?
Karen Dittmer is linked to Northwestern Medicine Central DuPage Hospital.
Has Karen Dittmer received payments from drug or device companies?
CMS Open Payments shows $383 in general payments to Karen Dittmer from 10 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Karen Dittmer been practicing?
Karen Dittmer's NPI was assigned in 2009.
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