Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Memorial Hermann Health System

Q: What is the NPI number for Memorial Hermann Health System?

The NPI for Memorial Hermann Health System is 1780589861, a Type 2 (organization) record in the CMS NPPES registry.

Community/Retail Pharmacy in Humble, TX · enumerated 2026 · authorized official Theresa Pappas, Vp Hospital Revenue Cycle Operation.

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

National Provider Identifier

1780589861

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Registry record

Entity type Organization (Type 2)

Legal business name Memorial Hermann Health System

Parent organization Memorial Hermann Health System

Practice address 18951 N Memorial Dr Ste 100, Humble, TX, 77338

Phone (281) 698-6100

Enumeration date Oct 9, 2026

Last updated in NPPES Oct 9, 2026

Taxonomy & classification

3336C0003X Community/Retail Pharmacy Suppliers Primary

Authorized official

Name Theresa Pappas

Title Vp Hospital Revenue Cycle Operation

Phone (832) 867-8457

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

Who is the authorized official for Memorial Hermann Health System?

NPPES lists Theresa Pappas (Vp Hospital Revenue Cycle Operation) as the authorized official for this organization.

What is the NPI number for Memorial Hermann Health System?

The NPI for Memorial Hermann Health System is 1780589861, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-10-09.