Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Yahya Sayed Suliman Atassi, DDS, MS
Periodontics in Downers Grove, IL · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639956758
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Yahya Sayed Suliman Atassi
Credential DDS, MS
Sex Male
Practice address 6800 Main St Ste 3, Downers Grove, IL, 60516
Phone (716) 243-2656
Enumeration date Sep 12, 2023
Last updated in NPPES Mar 17, 2026
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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.
Frequently asked questions
What specialty is Yahya Sayed Suliman Atassi?
Yahya Sayed Suliman Atassi is registered in NPPES with the primary taxonomy of Periodontics. 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.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-17.