NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cynthia S. Lewin, ARNP

Family Nurse Practitioner in Sergeant Bluff, IA · enumerated 2006.

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

National Provider Identifier

1962467456

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Cynthia S. Lewin
Credential ARNP
Sex Female
Practice address 319 Sergeant Square Dr, Sergeant Bluff, IA, 51054
Phone (712) 943-2500
Fax (712) 943-5696
Enumeration date Apr 19, 2006
Last updated in NPPES Jul 27, 2015

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 059326 (IA) Primary
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 110627 (NE) Secondary

Other identifiers

Identifier Type State Issuer
6827852 Medicaid SD -
10025457800 Medicaid NE -
970009780 Other - MEDICARE RAILROAD
2423327 Medicaid IA -
11264 Other - WELLMARK BCBS OF IOWA

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 Cynthia Lewin?
The National Provider Identifier (NPI) for Cynthia Lewin is 1962467456, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cynthia Lewin practice?
The practice location on file with NPPES is in Sergeant Bluff, IA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-27.