MR. CHARLES RYAN FIELDS ACNP
NPI 1609252444
Nurse Practitioner - Acute Care in Saint Louis, MO

Active since August 04, 2015
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 10, 2019, May 10, 2019, Jun 24, 2016 (3 updates tracked since 2016).

About Mr. Charles Ryan Fields Acnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. CHARLES RYAN FIELDS ACNP (NPI 1609252444) is an individual acute care provider in Saint Louis, Missouri, licensed in Iowa (H158358) and active in the NPI registry since August 2015.

NPPES Registry Identity

NPI1609252444
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. CHARLES RYAN FIELDSCredential: ACNP
Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621
Mailing Address915 N Grand BlvdSaint Louis, MO 63106-1621 · (314) 652-4100
Sole ProprietorNo
Enumeration DateAugust 4, 2015
Last NPPES UpdateAugust 28, 20253 updates tracked since enumeration
NPPES CertifiedAugust 28, 2025
NPI 1609252444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in IA · H158358
915 N GRAND BLVD, Saint Louis, MO 63106

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Optometrist
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Social Worker
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Internal Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Nurse Practitioner (Primary Care)
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Registered Nurse
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Emergency Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
Dentist (General Practice)
915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106
Nurse Anesthetist, Certified Registered
915 N GRAND BLVD
SAINT LOUIS, MO 63106

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Fields's NPI number?

The NPI number for Charles Fields is 1609252444. It was assigned to this individual provider in the NPPES registry on August 4, 2015.

Where is Charles Fields located?

Charles Fields practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.

What is Charles Fields's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

When was this NPI record last updated?

The NPPES record for Charles Fields was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.