Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Aaron Williams, M.D.

Hospitalist Physician in Tyler, TX · enumerated 2017.

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

National Provider Identifier

1689107948

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Registry record

Entity type Individual (Type 1)

Name Dr. Aaron Williams

Credential M.D.

Sex Male

Practice address 1000 S Beckham Ave, Tyler, TX, 75701

Phone (903) 590-5611

Enumeration date Apr 4, 2017

Last updated in NPPES Apr 25, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 322961 (LA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License U7539 (TX) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 322961 (LA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License U7539 (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

What is the NPI number for Aaron Williams?

The National Provider Identifier (NPI) for Aaron Williams is 1689107948, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aaron Williams practice?

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

Other providers at this practice address

Browse all →

Aleksandra Olsson-Detwiler Internal Medicine Physician · Tyler, TX NPI 1740280510 Detlef Wencker Advanced Heart Failure and Transplant Cardiology Physician · Tyler, TX NPI 1285634881 Paul Lim Internal Medicine Physician · Tyler, TX NPI 1942288634 Shane Spears Surgical Physician Assistant · Tyler, TX NPI 1336119916 Marcus Byrd Internal Medicine Physician · Tyler, TX NPI 1518930304 Dinesh Sangana Internal Medicine Physician · Tyler, TX NPI 1669434908 June Belt Physician Assistant · Tyler, TX NPI 1497708960 Daniel Baber Emergency Medicine Physician · Tyler, TX NPI 1538112024

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-25.