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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. IRVING A WILLIAMS M.D.
NPI 1144208422
Internal Medicine in Shelby, NC

Active since January 06, 2006
917 N LAFAYETTE ST, SHELBY, NC 28150(704) 481-0905(704) 481-0601 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Irving A Williams M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. IRVING A WILLIAMS M.D. (NPI 1144208422) is an individual internal medicine provider in Shelby, North Carolina, licensed in North Carolina (94-01094) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1144208422
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. IRVING A WILLIAMSCredential: M.D.
Location Address917 N LAFAYETTE STShelby, NC 28150-3832
Mailing Address917 N Lafayette StShelby, NC 28150-3832 · (704) 481-0905 · Fax (704) 481-0601
Phone(704) 481-0905
Fax(704) 481-0601
Sole ProprietorNo
Enumeration DateJanuary 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1144208422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NC · 94-01094
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
917 N LAFAYETTE ST, Shelby, NC 28150
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Other Identifiers 2

Medicaid89136PGNC
Medicaid8987929NC

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Irving Williams's NPI number?

The NPI number for Irving Williams is 1144208422. It was assigned to this individual provider in the NPPES registry on January 6, 2006.

Where is Irving Williams located?

Irving Williams practices at 917 N Lafayette St, Shelby, NC 28150. The listed phone number is (704) 481-0905.

What is Irving Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Irving Williams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.