Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melissa Sumney, ACNP

Critical Care Medicine Nurse Practitioner in Washington, PA · enumerated 2006.

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

National Provider Identifier

1790874279

Verified

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Registry record

Entity type Individual (Type 1)

Name Melissa Sumney

Credential ACNP

Sex Female

Practice address 400 Locust Ave, Washington, PA, 15301

Phone (724) 222-2577

Fax (724) 228-5849

Enumeration date Oct 12, 2006

Last updated in NPPES Apr 8, 2022

Taxonomy & licenses

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN95033 (WV) Secondary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP009192 (PA) Secondary

363LC0200X Critical Care Medicine Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP009192 (PA) 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

Where does Melissa Sumney practice?

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

What is the NPI number for Melissa Sumney?

The National Provider Identifier (NPI) for Melissa Sumney is 1790874279, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-08.