Stephanie D. Nissen, ACNP-BC, RN
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Stephanie Nissen's professional email, personal email and mobile number
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Stephanie D. Nissen is an acute care nurse practitioner in Saint Louis, Missouri
Stephanie Nissen practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Stephanie Nissen's NPI, 1841434578, was assigned on April 24, 2009. Stephanie Nissen holds Missouri license 2002016204.
- NPI
- 1841434578NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981757630
- NPI enumeration date
- April 24, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie D. Nissen practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Stephanie Nissen's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Stephanie D. Nissen is affiliated with 2 sites of care and 1 medical group
Stephanie Nissen's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Stephanie Nissen is also affiliated with Mercy Hospital Washington. The medical group on file is Mercy Clinic Adult Critical Care.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephanie D. Nissen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Nissen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +1 more affiliated site | 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 Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Stephanie D. Nissen is one of 349 acute care nurse practitioners in Missouri
Acute care is Stephanie Nissen's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Stephanie Nissen is licensed in Missouri.
Specialties and state licenses
- Acute care nurse practitioner, MissouriPrimary
Acute care nurse practitioners near Stephanie Nissen
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
Stephanie D. Nissen's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Stephanie Nissen's median patient age at 71, with 48% women.
Stephanie Nissen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
How Stephanie D. Nissen takes part in Medicare
Stephanie Nissen 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)
Sources for Stephanie D. Nissen'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 Stephanie D. Nissen
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What is Stephanie D. Nissen's NPI number?
Stephanie D. Nissen's NPI number is 1841434578. It was assigned on April 24, 2009, and it is active in the NPI Registry.
What does Stephanie D. Nissen specialize in?
Stephanie D. Nissen is an acute care nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Stephanie D. Nissen practice?
Stephanie Nissen practices at 615 New Ballas Road, Saint Louis, MO 63141. Stephanie Nissen's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Stephanie D. Nissen's office phone number?
The practice phone on file for Stephanie Nissen is (314) 251-6000.
What is Stephanie D. Nissen's medical license number?
Stephanie Nissen holds Missouri license 2002016204.
Which hospitals is Stephanie D. Nissen affiliated with?
Stephanie Nissen practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Stephanie Nissen is also affiliated with Mercy Hospital Washington.
What medical group is Stephanie D. Nissen part of?
Stephanie Nissen is linked to Mercy Clinic Adult Critical Care.
Does Stephanie D. Nissen accept Medicare?
Yes. CMS lists Stephanie Nissen as accepting Medicare assignment.
How long has Stephanie D. Nissen been practicing?
Stephanie Nissen graduated from medical school in 2008, 18 years ago.
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