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

Mr. Charles Ryan Fields, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1609252444

Mr. Charles Ryan Fields, ACNP is an Acute Care Nurse Practitioner in Saint Louis, Missouri. Licensed in Iowa. Registered with an NPI since 2015.

Licensed in
IA
In the registry since
2015
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

See every abbreviation used in this directory →

Practice location Address checks out

915 N Grand Blvd
Saint Louis, MO 63106-1621
Phone: (314) 652-4100
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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 H158358 (IA)

Record details

NPI number1609252444
Entity typeIndividual (Type 1)
GenderMale
Credentials ACNP
Sole proprietorNo
NPI enumeratedAugust 4, 2015
Last updated in NPPESAugust 28, 2025
Certification dateAugust 28, 2025
Mailing address915 N Grand Blvd, Saint Louis, MO 63106-1621

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