Katie Fesler, PA-C
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 379
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Industry payments
- $160
- 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 Katie Fesler'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.
Katie Fesler is a physician assistant in Winfield, Illinois
Katie Fesler practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Katie Fesler's NPI, 1841919123, was assigned on August 22, 2022. Katie Fesler graduated from Wake Forest University School of Medicine in 2022. Katie Fesler holds Illinois license 085.009086.
- NPI
- 1841919123NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254708381
- NPI enumeration date
- August 22, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katie Fesler practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Katie Fesler'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
Katie Fesler is affiliated with 5 sites of care and 1 medical group
Katie Fesler's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Katie Fesler is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Katie Fesler to 1 more breast imaging center, 1 clinical lab and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katie Fesler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katie Fesler practices, 5 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 |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Katie Fesler is one of 4,299 physician assistants in Illinois
Physician assistant is Katie Fesler's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katie Fesler is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Katie Fesler
Counts of physician assistants 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
Katie Fesler treated 13 Medicare patients in 2024, average age 71
CMS counts 13 Medicare patients who saw Katie Fesler in 2024. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 3.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Katie Fesler's median patient age at 76, with 42% women.
Chronic conditions among Katie Fesler's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
Share of Medicare patients with each condition. A patient can have several.
Katie Fesler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katie Fesler wrote 379 Medicare Part D claims in 2024
In 2024, Katie Fesler wrote 379 Medicare Part D claims for 79 patients. 74% of them were for generic drugs.
Katie Fesler's Part D claims by kind of drug, 2024
- Generic280 claims74%
- Brand-name and other99 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Katie Fesler scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Katie Fesler for performance year 2024, reported through an alternative payment model (APM). Katie Fesler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Katie Fesler's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Katie Fesler received $160 in industry payments in 2025
CMS Open Payments shows 4 general payments to Katie Fesler from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $124.
Companies that paid Katie Fesler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katie Fesler graduated from Wake Forest University School of Medicine
Katie Fesler graduated from Wake Forest University School of Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katie Fesler'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Katie Fesler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katie Fesler's NPI number?
Katie Fesler's NPI number is 1841919123. It was assigned on August 22, 2022, and it is active in the NPI Registry.
What does Katie Fesler specialize in?
Katie Fesler is a physician assistant in Winfield, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katie Fesler practice?
Katie Fesler practices at 25 North Winfield Road, Winfield, IL 60190. Katie Fesler's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Katie Fesler to 1 breast imaging center, 1 clinical lab and 1 group practice or clinic.
What is Katie Fesler's office phone number?
The practice phone on file for Katie Fesler is (630) 682-1600.
What is Katie Fesler's medical license number?
Katie Fesler holds Illinois license 085.009086.
Which hospitals is Katie Fesler affiliated with?
Katie Fesler practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Katie Fesler is also affiliated with Northwestern Memorial Hospital.
What medical group is Katie Fesler part of?
Katie Fesler is linked to Northwestern Medical Faculty Foundation.
Does Katie Fesler accept Medicare?
Yes. CMS lists Katie Fesler as accepting Medicare assignment.
What is Katie Fesler's MIPS score?
Katie Fesler's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Katie Fesler see?
CMS counts 13 Medicare patients who saw Katie Fesler in 2024, with an average age of 71.
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Where did Katie Fesler go to medical school?
Katie Fesler graduated from Wake Forest University School of Medicine in 2022.
Has Katie Fesler received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Katie Fesler from 3 companies from 2025 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Katie Fesler been practicing?
Katie Fesler graduated from medical school in 2022, 4 years ago.
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