Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lillian Ariel Riley, NP

Family Nurse Practitioner in Rochester, NY · enumerated 2020 · practices at West Ridge Obstetrics & Gynecology, LLP.

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

National Provider Identifier

1730709296

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Registry record

Entity type Individual (Type 1)

Name Lillian Ariel Riley

Credential NP

Sex Female

Practice address 3101 W Ridge Rd, Rochester, NY, 14626

Phone (585) 225-1580

Enumeration date Apr 24, 2020

Last updated in NPPES Jul 17, 2023

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 664092 (NY) Secondary

207ZN0500X Neuropathology Physician Allopathic & Osteopathic Physicians · License 345914 (NY) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F345914-01 (NY) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

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 specialty is Lillian Riley?

Lillian Riley 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-17.