Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Barbara Dew Criswell, FNP

Nurse Practitioner in Sumner, MS · enumerated 2006 · practices at Greenwood Leflore Hospital.

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

National Provider Identifier

1558475723

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Registry record

Entity type Individual (Type 1)

Name Mrs. Barbara Dew Criswell

Credential FNP

Sex Female

Practice address 100 N Court St, Sumner, MS, 38957

Phone (662) 375-9989

Fax (662) 375-8762

Enumeration date Aug 18, 2006

Last updated in NPPES May 9, 2011

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R532355 (MS) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

Other identifiers

Identifier	Type	State	Issuer
00114642	Medicaid	MS	-
500001378	Other	MS	MEDICARE PART B

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

Where does Barbara Criswell practice?

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

What is the NPI number for Barbara Criswell?

The National Provider Identifier (NPI) for Barbara Criswell is 1558475723, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Greenwood Leflore Hospital Rural Health Clinic/Center · Sumner, MS NPI 1750341855

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-09.