Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anastacia Dawn Gregory, CRNA

Certified Registered Nurse Anesthetist in Saint Peters, MO · enumerated 2020.

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

National Provider Identifier

1548889710

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Registry record

Entity type Individual (Type 1)

Name Anastacia Dawn Gregory

Credential CRNA

Sex Female

Practice address 10 Hospital Dr, Saint Peters, MO, 63376

Phone (636) 916-9000

Enumeration date Apr 8, 2020

Last updated in NPPES Jul 3, 2020

Taxonomy & licenses

163WC0200X Critical Care Medicine Registered Nurse Nursing Service Providers · License 041453178 (IL) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 2020019160 (MO) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

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 specialty is Anastacia Gregory?

Anastacia Gregory is registered in NPPES with the primary taxonomy of Certified Registered Nurse Anesthetist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-03.