NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William John Knaus II, MD

Plastic and Reconstructive Surgery Physician in Johns Creek, GA · enumerated 2009.

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

National Provider Identifier

1336379288

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. William John Knaus II
Credential MD
Sex Male
Practice address 6325 Hospital Pkwy Ste 302, Johns Creek, GA, 30097
Enumeration date Jul 24, 2009
Last updated in NPPES Sep 5, 2022

Taxonomy & licenses

2086S0122X Plastic and Reconstructive Surgery Physician Allopathic & Osteopathic Physicians · License 80481 (GA) 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 William Knaus?
The National Provider Identifier (NPI) for William Knaus is 1336379288, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Knaus practice?
The practice location on file with NPPES is in Johns Creek, GA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-05.