Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Letasha Lewis, MSN, FNP-C

Family Nurse Practitioner in Olympia Fields, IL · enumerated 2012 · practices at Frontier Healthcare Systems of Illinois LLC.

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

National Provider Identifier

1033476080

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Registry record

Entity type Individual (Type 1)

Name Letasha Lewis

Credential MSN, FNP-C

Sex Female

Practice address Olympia Fields, IL, 60461

Phone (773) 234-0388

Fax (773) 234-0394

Enumeration date Apr 16, 2012

Last updated in NPPES Apr 21, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277001315 (IL) Primary

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities · License 277001315 (IL) Secondary

261QP3300X Pain Clinic/Center Ambulatory Health Care Facilities · License 277001315 (IL) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277001315 (IL) Secondary

Other identifiers

Identifier	Type	State	Issuer
277001315	Medicaid	IL	-

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.

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Frequently asked questions

What specialty is Letasha Lewis?

Letasha Lewis is registered in NPPES with the primary taxonomy of Family Nurse Practitioner. 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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Frontier Healthcare Systems of Illinois LLC Family Nurse Practitioner · Olympia Fields, IL NPI 1053772020

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-21.