Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leighanna Ounanian, NP-C

Gerontology Nurse Practitioner in Plano, TX · enumerated 2018.

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

National Provider Identifier

1699253633

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Registry record

Entity type Individual (Type 1)

Name Leighanna Ounanian

Credential NP-C

Sex Female

Practice address 4708 Alliance Blvd Ste 150, Plano, TX, 75093

Phone (972) 859-6178

Fax (972) 596-9307

Enumeration date Aug 1, 2018

Last updated in NPPES Oct 14, 2022

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP138040 (TX) Secondary

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP138040 (TX) Primary

Other identifiers

Identifier	Type	State	Issuer
387462002	Medicaid	TX	-
387462001	Medicaid	TX	-

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 Leighanna Ounanian practice?

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

What is the NPI number for Leighanna Ounanian?

The National Provider Identifier (NPI) for Leighanna Ounanian is 1699253633, a Type 1 (individual) record in the CMS NPPES registry.

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James Petrikas Radiation Oncology Physician · Plano, TX NPI 1356362719 Asha Karippot Hematology & Oncology Physician · Plano, TX NPI 1841485216 Claudia Clancy Family Nurse Practitioner · Plano, TX NPI 1316271661 Andrew Kovoor Hematology & Oncology Physician · Plano, TX NPI 1407119464 Jaime Roman Physician Assistant · Plano, TX NPI 1497092654 James Mobley Hematology & Oncology Physician · Plano, TX NPI 1184018285 Ancy Thomas Family Nurse Practitioner · Plano, TX NPI 1952877409 Chelsie May Family Nurse Practitioner · Plano, TX NPI 1619721420

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-14.