Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Jeffery Scott Davis, APN RN

Psychiatric/Mental Health Nurse Practitioner in Creve Coeur, MO · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639402738

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. Jeffery Scott Davis

Credential APN RN

Sex Male

Practice address 777 Craig Rd Ste 200, Creve Coeur, MO, 63141

Phone (314) 776-7999

Enumeration date Sep 8, 2009

Last updated in NPPES Mar 1, 2025

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 867801 (NV) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 147666 (MO) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277002897 (IL) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 867801 (NV) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277002897 (IL) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 147666 (MO) Primary

Other identifiers

Identifier	Type	State	Issuer
209007722	Medicaid	IL	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Jeffery Davis?

The National Provider Identifier (NPI) for Jeffery Davis is 1639402738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffery Davis practice?

The practice location on file with NPPES is in Creve Coeur, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Clinical Research Associates, PC Psychiatry Physician · Saint Louis, MO NPI 1063632826 Jim Russell Counselor · Saint Louis, MO NPI 1275711459 Clinical Medical Services LLC Internal Medicine Physician · Saint Louis, MO NPI 1497132286 Shelley Wolfmeyer Professional Counselor · Creve Coeur, MO NPI 1447759402

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-01.