NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Devon Carl Sadlowski, DMD

General Practice Dentistry in Dover, DE · enumerated 2007 · practices at Devon Sadlowski Dmd PA.

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

National Provider Identifier

1518183557

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Devon Carl Sadlowski
Credential DMD
Sex Male
Practice address 882 Walker Rd, Suite A, Dover, DE, 19904
Phone (302) 735-8940
Fax (302) 735-8948
Enumeration date Apr 18, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License G10001058 (DE) Primary
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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

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.
What specialty is Devon Sadlowski?
Devon Sadlowski is registered in NPPES with the primary taxonomy of General Practice Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.