Dr. Alan James Ostertag, DDS,M.S.

Dr. Alan James Ostertag is a Orthodontics and Dentofacial Orthopedics Dentistry provider (Dentist) practicing in Eau Claire, WI, registered in the NPPES registry with NPI 1972604205 since 2006. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum

NPI	1972604205
Entity type	Individual (Type 1)
Name	Dr. Alan James Ostertag
Credential	DDS,M.S.
Sex	Male
Practice address	4907 KEYSTONE XING, SUITE A, Eau Claire, WI, 54701
Phone	7158555051
Fax	7158555052
Enumeration date	2006-09-26
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Primary	3726-015	WI

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

Copy-ready billing details

Provider: Alan Ostertag, DDS,M.S.
NPI: 1972604205
Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry)
Address: 4907 KEYSTONE XING, SUITE A, Eau Claire, WI, 54701

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1124225503	Life Skills Support Center of Eau Claire, Ltd.	Organization	Psychiatry Physician	Eau Claire, WI
1679800239	Ostertag Orthodontics, LLC	Organization	Orthodontics and Dentofacial Orthopedics Dentistry	Eau Claire, WI

Verify this record

Cross-check NPI 1972604205 against the authoritative CMS record: view Dr. Alan James Ostertag 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

Is NPI 1972604205 active?

Yes — as of the latest NPPES snapshot, NPI 1972604205 is active (record last updated 2007-07-08).

How do I verify Alan Ostertag's NPI record?

Cross-check NPI 1972604205 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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