Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sindy Kay Byington, MD

Hospitalist Physician in Twin Falls, ID · enumerated 2014.

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

National Provider Identifier

1134532476

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Registry record

Entity type Individual (Type 1)

Name Dr. Sindy Kay Byington

Credential MD

Sex Female

Practice address 801 Pole Line Rd W, Twin Falls, ID, 83301

Phone (406) 927-6976

Enumeration date Jun 4, 2014

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License M-13810 (ID) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License M-13810 (ID) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MED-RES-LIC-42256 (MT) 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 specialty is Sindy Byington?

Sindy Byington is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.