Jennifer A. Duffy, Apncnp
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 651
- MIPS score, 2024
- 85
- Hospital affiliations
- 3
- Industry payments
- $196
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Jennifer A. Duffy is a nurse practitioner in Evanston, Illinois
Jennifer Duffy practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Jennifer Duffy's NPI, 1649557927, was assigned on November 14, 2011. Jennifer Duffy holds Illinois license 209009133.
- NPI
- 1649557927NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406022466
- NPI enumeration date
- November 14, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jennifer A. Duffy practices at Evanston Hospital in Evanston, Illinois
Jennifer Duffy's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Jennifer A. Duffy is affiliated with 3 sites of care and 2 medical groups
Jennifer Duffy's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Jennifer Duffy is also affiliated with Swedish Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Jennifer Duffy to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jennifer A. Duffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Duffy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Jennifer A. Duffy is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Jennifer Duffy's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jennifer Duffy is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Jennifer Duffy
Counts of 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
Jennifer A. Duffy treated 94 Medicare patients in 2024, average age 77
CMS counts 94 Medicare patients who saw Jennifer Duffy in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 3.47, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jennifer Duffy's median patient age at 65, with 52% women.
Jennifer Duffy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jennifer Duffy's Medicare patients by sex, 2024
- Women3638%
- Men5862%
Chronic conditions among Jennifer Duffy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer69%
- Arthritis57%
- Ischemic heart disease44%
- Anxiety39%
- Chronic kidney disease39%
- COPD38%
Share of Medicare patients with each condition. A patient can have several.
Jennifer Duffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jennifer A. Duffy wrote 651 Medicare Part D claims in 2024
In 2024, Jennifer Duffy wrote 651 Medicare Part D claims for 120 patients. 94% of them were for generic drugs.
Jennifer Duffy's Part D claims by kind of drug, 2024
- Generic610 claims94%
- Brand-name41 claims6%
Drug classes CMS tracks in Jennifer Duffy's Part D claims, 2024
- Opioids66%431 of 651 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
Jennifer A. Duffy scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Jennifer Duffy for performance year 2024, reported as part of a group. Jennifer Duffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jennifer Duffy's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
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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Jennifer A. Duffy received $196 in industry payments in 2025
CMS Open Payments shows 7 general payments to Jennifer Duffy from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $44.
Companies that paid Jennifer Duffy 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 Jennifer A. Duffy'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) |
| 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 Jennifer A. Duffy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jennifer A. Duffy's NPI number?
Jennifer A. Duffy's NPI number is 1649557927. It was assigned on November 14, 2011, and it is active in the NPI Registry.
What does Jennifer A. Duffy specialize in?
Jennifer A. Duffy is a nurse practitioner in Evanston, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Jennifer A. Duffy practice?
Jennifer Duffy practices at 2650 Ridge Ave, Evanston, IL 60201. Jennifer Duffy's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Jennifer Duffy to 1 hospital and 1 medical group.
What is Jennifer A. Duffy's office phone number?
The practice phone on file for Jennifer Duffy is (847) 570-2000.
What is Jennifer A. Duffy's medical license number?
Jennifer Duffy holds Illinois license 209009133.
Which hospitals is Jennifer A. Duffy affiliated with?
Jennifer Duffy practices at Evanston Hospital in Evanston, Illinois. Jennifer Duffy is also affiliated with Swedish Hospital. Dmand AI links Jennifer Duffy to 1 more hospital.
What medical group is Jennifer A. Duffy part of?
Jennifer Duffy is linked to Endeavor Health Medical Group. Dmand AI links Jennifer Duffy to 1 more medical group.
Does Jennifer A. Duffy accept Medicare?
Yes. CMS lists Jennifer Duffy as accepting Medicare assignment.
What is Jennifer A. Duffy's MIPS score?
Jennifer Duffy's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Jennifer A. Duffy see?
CMS counts 94 Medicare patients who saw Jennifer Duffy in 2024, with an average age of 77.
Has Jennifer A. Duffy received payments from drug or device companies?
CMS Open Payments shows $196 in general payments to Jennifer Duffy from 6 companies from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Jennifer A. Duffy been practicing?
Jennifer Duffy graduated from medical school in 2011, 15 years ago.
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