Dr. William E Stein, DDS

Dr. William E Stein is a Dentist provider (Dentist) practicing in Aitkin, MN, registered in the NPPES registry with NPI 1366522138 since 2006. The credential DDS stands for Doctor of Dental Surgery. Practices at William E. Stein, D.D.S. (listed at the same practice address in NPPES).

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NPI	1366522138
Entity type	Individual (Type 1)
Name	Dr. William E Stein
Credential	DDS
Sex	Male
Practice address	18 3RD ST SW, Aitkin, MN, 56431
Phone	2189273785
Fax	2189273785
Enumeration date	2006-10-16
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	7978	MN

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: William Stein, DDS
NPI: 1366522138
Taxonomy: 122300000X (Dentist)
Address: 18 3RD ST SW, Aitkin, MN, 56431

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1497906457	William E. Stein, D.D.S.	Organization	General Practice Dentistry	Aitkin, MN

Verify this record

Cross-check NPI 1366522138 against the authoritative CMS record: view Dr. William E Stein on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for William Stein?

The National Provider Identifier (NPI) for William Stein is 1366522138, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Stein practice?

The practice location on file with NPPES is in Aitkin, MN. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.