NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Grace Hernandez, MD

Orthopaedic Surgery Physician in Dallas, TX · enumerated 2021 · practices at Oad2.

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

National Provider Identifier

1821671330

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Registry record

Entity type Individual (Type 1)
Name Dr. Grace Hernandez
Credential MD
Sex Female
Practice address Dallas, TX, 75246
Enumeration date May 3, 2021
Last updated in NPPES Aug 12, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License W5817 (TX) Primary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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

What is the NPI number for Grace Hernandez?
The National Provider Identifier (NPI) for Grace Hernandez is 1821671330, a Type 1 (individual) record in the CMS NPPES registry.
Where does Grace Hernandez practice?
The practice location on file with NPPES is in Dallas, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-12.