Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hillary L Gray, FPMHNP

Q: What is the NPI number for Hillary Gray?

The National Provider Identifier (NPI) for Hillary Gray is 1629437504, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Springfield, MO · enumerated 2016.

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

National Provider Identifier

1629437504

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Registry record

Entity type Individual (Type 1)

Name Hillary L Gray

Credential FPMHNP

Sex Female

Practice address 323 E Grand St, Springfield, MO, 65807

Phone (417) 761-5600

Fax (417) 761-5601

Enumeration date Feb 19, 2016

Last updated in NPPES Aug 8, 2025

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 101.0136657 (VT) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2016005195 (MO) Primary

Other identifiers

Identifier	Type	State	Issuer
420031052	Medicaid	MO	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Hillary Gray?

The National Provider Identifier (NPI) for Hillary Gray is 1629437504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hillary Gray practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-08.