Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elizabeth Anne Maher, MD, PHD

Hematology & Oncology Physician in Dallas, TX · enumerated 2006 · practices at Ut Southwestern Medical Center.

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

National Provider Identifier

1801847991

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth Anne Maher

Credential MD, PHD

Sex Female

Practice address 5323 Harry Hines Blvd Stop 7200, Dallas, TX, 75390

Phone (214) 645-5905

Enumeration date May 13, 2006

Last updated in NPPES Sep 11, 2019

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License M5342 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

Is NPI 1801847991 active?

Yes, as of the latest NPPES snapshot, NPI 1801847991 is active (record last updated 2019-09-11).

How do I verify Elizabeth Maher's NPI record?

Cross-check NPI 1801847991 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-11.