Michael W Barba, DDS

Michael W Barba is a Orthodontics and Dentofacial Orthopedics Dentistry provider (Dentist) practicing in Onalaska, WI, registered in the NPPES registry with NPI 1033304704 since 2007. The credential DDS stands for Doctor of Dental Surgery. Practices at Gundersen Clinic Ltd (listed at the same practice address in NPPES).

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NPI	1033304704
Entity type	Individual (Type 1)
Name	Michael W Barba
Credential	DDS
Sex	Male
Practice address	801 CRITTER CT, Onalaska, WI, 54650
Phone	6087758152
Enumeration date	2007-09-06
Last updated in NPPES	2016-04-28

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Primary	2663-15	WI
1223X0400X	Orthodontics and Dentofacial Orthopedics Dentistry	Secondary	7089	IA

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

Copy-ready billing details

Provider: Michael Barba, DDS
NPI: 1033304704
Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry)
Address: 801 CRITTER CT, Onalaska, WI, 54650

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1033108287	Timothy Flood	Individual	Pediatric Dentistry	Onalaska, WI
1508873845	Kathleen Bondow	Individual	Professional Counselor	Onalaska, WI
1679826283	Gundersen Clinic Ltd	Organization	Dental Clinic/Center	Onalaska, WI

Verify this record

Cross-check NPI 1033304704 against the authoritative CMS record: view Michael W Barba 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 specialty is Michael Barba?

Michael Barba is registered in NPPES with the primary taxonomy of Orthodontics and Dentofacial Orthopedics Dentistry. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-04-28.