Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Louise L Davis, APRN BC

Q: What is the NPI number for Louise Davis?

The National Provider Identifier (NPI) for Louise Davis is 1912027384, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Nurse Specialist in Portland, ME · enumerated 2007.

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

National Provider Identifier

1912027384

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Registry record

Entity type Individual (Type 1)

Name Ms. Louise L Davis

Credential APRN BC

Sex Female

Practice address 121 Middle Street, Suite 404, Portland, ME, 04101

Phone (207) 772-8634

Enumeration date Mar 30, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

364S00000X Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License R017880 (ME) Primary

Other identifiers

Identifier	Type	State	Issuer
006502	Other	-	ANTHEM BCBS

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 Louise Davis?

The National Provider Identifier (NPI) for Louise Davis is 1912027384, a Type 1 (individual) record in the CMS NPPES registry.

Where does Louise Davis practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.