Stephanie Nissen, RN, ACNP-BC
NPI 1841434578 · Acute Care Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Nissen, RN, ACNP-BC is a Acute Care Nurse Practitioner provider in Saint Louis, MO (NPI 1841434578).
Provider details
- NPI number
- 1841434578
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, ACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 2002016204 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-24
- Last updated
- 2009-04-24
Frequently asked questions
- What is Stephanie Nissen's NPI number?
- Stephanie Nissen's National Provider Identifier (NPI) is 1841434578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Nissen's specialty?
- Stephanie Nissen is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Nissen located?
- Stephanie Nissen's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Stephanie Nissen's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Nissen is (314) 518-5072.
- Does Stephanie Nissen accept Medicare?
- Stephanie Nissen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Nissen's NPI active?
- Yes — Stephanie Nissen's NPI (1841434578) is active in the NPPES registry as of the last update on 2009-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.