Stefanie Jo O'Sullivan, RN
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 800 Riverside Drive, Waupaca, WI 54981
- Practice phone
- Call (715) 258-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stefanie O'Sullivan'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.
Stefanie Jo O'Sullivan is a family nurse practitioner in Waupaca, Wisconsin
Stefanie O'Sullivan practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health.
Stefanie O'Sullivan's NPI, 1457812059, was assigned on March 27, 2019. Stefanie O'Sullivan holds Wisconsin license 16736-33.
- NPI
- 1457812059NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567973837
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (715) 258-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stefanie Jo O'Sullivan practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin
Stefanie O'Sullivan's primary practice is ThedaCare Medical Center-Waupaca, at 800 Riverside Drive, Waupaca, WI 54981 in Waupaca County. The practice phone is (715) 258-1000.
- ThedaCare Medical Center-Waupaca800 Riverside Drive, Waupaca, WI 54981 · Waupaca CountyPhone(715) 258-1000
Source: Dmand AI Affiliation Data
Stefanie Jo O'Sullivan is affiliated with 4 sites of care and 1 medical group
Stefanie O'Sullivan's primary practice is ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health. Stefanie O'Sullivan is also affiliated with ThedaCare Regional Medical Center-Neenah. The medical group on file is ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI also links Stefanie O'Sullivan to 1 more hospital 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 Stefanie Jo O'Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stefanie O'Sullivan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Medical Center-Waupaca | Available with a free account |
| +3 more affiliated sites | 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 Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Stefanie Jo O'Sullivan is one of 2,261 family nurse practitioners in Wisconsin
Family is Stefanie O'Sullivan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Stefanie O'Sullivan is licensed in Wisconsin.
Specialties and state licenses
- Family nurse practitioner, WisconsinPrimary
Family nurse practitioners near Stefanie O'Sullivan
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
Stefanie Jo O'Sullivan's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Stefanie O'Sullivan's median patient age at 60, with 53% women.
Stefanie O'Sullivan'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
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Stefanie Jo O'Sullivan offers telehealth to Medicare patients
Stefanie O'Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stefanie O'Sullivan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Stefanie Jo O'Sullivan'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 |
| 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 Stefanie Jo O'Sullivan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stefanie Jo O'Sullivan's NPI number?
Stefanie Jo O'Sullivan's NPI number is 1457812059. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What does Stefanie Jo O'Sullivan specialize in?
Stefanie Jo O'Sullivan is a family nurse practitioner in Waupaca, Wisconsin. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Stefanie Jo O'Sullivan practice?
Stefanie O'Sullivan practices at 800 Riverside Drive, Waupaca, WI 54981. Stefanie O'Sullivan's primary practice is ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Stefanie O'Sullivan to 1 hospital and 1 group practice or clinic.
What is Stefanie Jo O'Sullivan's office phone number?
The practice phone on file for Stefanie O'Sullivan is (715) 258-1000.
What is Stefanie Jo O'Sullivan's medical license number?
Stefanie O'Sullivan holds Wisconsin license 16736-33.
Which hospitals is Stefanie Jo O'Sullivan affiliated with?
Stefanie O'Sullivan practices at ThedaCare Medical Center-Waupaca in Waupaca, Wisconsin. Stefanie O'Sullivan is also affiliated with ThedaCare Regional Medical Center-Neenah. Dmand AI links Stefanie O'Sullivan to 1 more hospital.
What medical group is Stefanie Jo O'Sullivan part of?
Stefanie O'Sullivan is linked to ThedaCare Behavioral Health Walk-in Care-Neenah.
Does Stefanie Jo O'Sullivan accept Medicare?
Yes. CMS lists Stefanie O'Sullivan as accepting Medicare assignment.
Does Stefanie Jo O'Sullivan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Stefanie O'Sullivan as offering telehealth services.
How long has Stefanie Jo O'Sullivan been practicing?
Stefanie O'Sullivan graduated from medical school in 2025, 1 years ago.
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