Leah D. Demares, APNP
- Part D claims, 2024
- 166
- Hospital affiliations
- 3
- Industry payments
- $44
- Medical groups
- 2
- Year NPI issued
- 2006
- Practice address
- 1818 N Meade St, Appleton, WI 54911
- Practice phone
- Call (920) 731-4101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Leah Demares' 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.
Leah D. Demares is an acute care nurse practitioner in Appleton, Wisconsin
Leah Demares practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health.
Leah Demares' NPI, 1295748630, was assigned on August 15, 2006.
- NPI
- 1295748630NPI Registry (opens in a new tab)
- NPI enumeration date
- August 15, 2006
- NPI status
- Active
- Practice phone
- (920) 731-4101
- 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; and Dmand AI Affiliation Data
Leah D. Demares practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin
Leah Demares' primary practice is ThedaCare Regional Medical Center-Appleton, at 1818 N Meade St, Appleton, WI 54911 in Outagamie County. The practice phone is (920) 731-4101.
- ThedaCare Regional Medical Center-Appleton1818 N Meade St, Appleton, WI 54911 · Outagamie CountyPhone(920) 731-4101
Source: Dmand AI Affiliation Data
Leah D. Demares is affiliated with 3 sites of care and 2 medical groups
Leah Demares' primary practice is ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health. Leah Demares is also affiliated with Froedtert Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Leah Demares 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 Leah D. Demares' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leah Demares practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Regional Medical Center-Appleton | 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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Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Leah D. Demares is one of 191 acute care nurse practitioners in Wisconsin
Acute care is Leah Demares' primary specialty in the NPI Registry, under taxonomy code 363LA2100X.
Specialties and state licenses
- Acute care nurse practitionerPrimary
Acute care nurse practitioners near Leah Demares
Counts of acute care 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
Leah D. Demares' patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Leah Demares' median patient age at 75, with 7% women.
Leah Demares' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women7%
- Men93%
Source: Dmand AI Patient Panel Data
Leah D. Demares wrote 166 Medicare Part D claims in 2024
In 2024, Leah Demares wrote 166 Medicare Part D claims for 81 patients. 67% of them were for generic drugs.
Leah Demares' Part D claims by kind of drug, 2024
- Generic112 claims67%
- Brand-name54 claims33%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Leah D. Demares received $44 in industry payments in 2025
CMS Open Payments shows 1 general payment to Leah Demares from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $44.
Companies that paid Leah Demares 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 Leah D. Demares'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 Leah D. Demares
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leah D. Demares' NPI number?
Leah D. Demares' NPI number is 1295748630. It was assigned on August 15, 2006, and it is active in the NPI Registry.
What does Leah D. Demares specialize in?
Leah D. Demares is an acute care nurse practitioner in Appleton, Wisconsin. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Leah D. Demares practice?
Leah Demares practices at 1818 N Meade St, Appleton, WI 54911. Leah Demares' primary practice is ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Leah Demares to 1 hospital and 1 medical group.
What is Leah D. Demares' office phone number?
The practice phone on file for Leah Demares is (920) 731-4101.
Which hospitals is Leah D. Demares affiliated with?
Leah Demares practices at ThedaCare Regional Medical Center-Appleton in Appleton, Wisconsin. Leah Demares is also affiliated with Froedtert Hospital. Dmand AI links Leah Demares to 1 more hospital.
What medical group is Leah D. Demares part of?
Leah Demares is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Leah Demares to 1 more medical group.
Has Leah D. Demares received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Leah Demares from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Leah D. Demares been practicing?
Leah Demares graduated from medical school in 2006, 20 years ago.
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