Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Stephanie D Nissen, RN, ACNP-BC

Individual provider Acute Care Nurse Practitioner · NPI 1841434578

Stephanie D Nissen, RN, ACNP-BC is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2008, 18 years ago. Practices with Mercy Clinic Adult Critical Care LLC, a 59-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
18
Licensed in
MO
In the registry since
2009
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (314) 518-5072
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 2002016204 (MO)

Record details

NPI number1841434578
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , ACNP-BC
Sole proprietorNo
NPI enumeratedApril 24, 2009
Last updated in NPPESApril 24, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Mercy Clinic Adult Critical Care Llc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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