Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Dougherty O'Hanlan, APN

Nurse Practitioner in Henderson, NV · enumerated 2009 · practices at Arthritis Associates of Nevada.

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

National Provider Identifier

1386977858

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Registry record

Entity type Individual (Type 1)

Name Mary Dougherty O'Hanlan

Credential APN

Sex Female

Practice address 8905 S Pecos Rd, Suite 23a, Henderson, NV, 89074

Phone (702) 734-8311

Fax (702) 731-2871

Enumeration date Sep 15, 2009

Last updated in NPPES Sep 15, 2009

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN00161 (NV) Primary

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 Mary O'Hanlan?

The National Provider Identifier (NPI) for Mary O'Hanlan is 1386977858, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary O'Hanlan practice?

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

Other providers at this practice address

Browse all →

Michael O'Hanlan Rheumatology Physician · Henderson, NV NPI 1700993771 Arthritis Associates of Nevada Nurse Practitioner · Henderson, NV NPI 1609491505

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-15.