Katherine Warner, DNP, FNP-C
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 197
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine Warner'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.
Katherine Warner is a family nurse practitioner in Derby, Connecticut
Katherine Warner practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Katherine Warner's NPI, 1720841885, was assigned on February 1, 2024. Katherine Warner holds Connecticut license 12846.
- NPI
- 1720841885NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123468717
- NPI enumeration date
- February 1, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Warner practices at 2 locations in Derby, Connecticut
Katherine Warner's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Katherine Warner also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Katherine Warner is affiliated with 1 site of care and 2 medical groups
Katherine Warner's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. The medical group on file is Hartford HealthCare Medical Group. Dmand AI also links Katherine Warner to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine Warner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Warner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Griffin Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Griffin Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Katherine Warner is one of 2,105 family nurse practitioners in Connecticut
Family is Katherine Warner's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Katherine Warner is licensed in Connecticut.
Specialties and state licenses
- Family nurse practitioner, ConnecticutPrimary
Family nurse practitioners near Katherine Warner
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
Katherine Warner treated 105 Medicare patients in 2024, average age 72
CMS counts 105 Medicare patients who saw Katherine Warner in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 26% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Warner's median patient age at 43, with 63% women.
Katherine Warner's Medicare patients by age, 2024
Katherine Warner's Medicare patients by sex, 2024
- Women6966%
- Men3634%
Chronic conditions among Katherine Warner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis56%
- Mood disorders38%
- Anxiety37%
- Depression30%
- Ischemic heart disease29%
- Diabetes27%
Share of Medicare patients with each condition. A patient can have several.
Katherine Warner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine Warner wrote 197 Medicare Part D claims in 2024
In 2024, Katherine Warner wrote 197 Medicare Part D claims for 149 patients. 89% of them were for generic drugs.
Katherine Warner's Part D claims by kind of drug, 2024
- Generic175 claims89%
- Brand-name and other22 claims11%
Drug classes CMS tracks in Katherine Warner's Part D claims, 2024
- Antibiotics35%68 of 197 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
How Katherine Warner takes part in Medicare
Katherine Warner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Sources for Katherine Warner'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 Affiliation DataDmand AI Practice 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) |
| 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 Katherine Warner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Warner's NPI number?
Katherine Warner's NPI number is 1720841885. It was assigned on February 1, 2024, and it is active in the NPI Registry.
What does Katherine Warner specialize in?
Katherine Warner is a family nurse practitioner in Derby, Connecticut. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Katherine Warner practice?
Katherine Warner practices at 130 Division St, Derby, CT 06418. Katherine Warner also practices at 144 Division St, Derby, CT 06418. Katherine Warner's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. Dmand AI also links Katherine Warner to 1 medical group.
What is Katherine Warner's office phone number?
The practice phone on file for Katherine Warner is (203) 732-7500.
What is Katherine Warner's medical license number?
Katherine Warner holds Connecticut license 12846.
Which hospitals is Katherine Warner affiliated with?
Katherine Warner practices at Griffin Hospital in Derby, Connecticut.
What medical group is Katherine Warner part of?
Katherine Warner is linked to Hartford HealthCare Medical Group. Dmand AI links Katherine Warner to 1 more medical group.
Does Katherine Warner accept Medicare?
Yes. CMS lists Katherine Warner as accepting Medicare assignment.
How many Medicare patients does Katherine Warner see?
CMS counts 105 Medicare patients who saw Katherine Warner in 2024, with an average age of 72.
How long has Katherine Warner been practicing?
Katherine Warner graduated from medical school in 2018, 8 years ago.
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