Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Maureen M Mercier, ACNP

Individual provider Nurse Practitioner · NPI 1396101135

MS. Maureen M Mercier, ACNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2015, 11 years ago. Practices with Washington University, a 2,986-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
11
Licensed in
MO
In the registry since
2016
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

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Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Surg Transplant
Saint Louis, MO 63110-1003
Phone: (314) 747-9889
Fax: (877) 438-4530
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 2015042849 (MO)

Record details

NPI number1396101135
Entity typeIndividual (Type 1)
GenderFemale
Credentials ACNP
Sole proprietorNo
NPI enumeratedJanuary 9, 2016
Last updated in NPPESApril 17, 2025
Certification dateApril 7, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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