Dr. Mark Daniel Hackbarth, DDS

Dr. Mark Daniel Hackbarth is a Dentist provider (Dentist) practicing in Brookfield, WI, registered in the NPPES registry with NPI 1568476083 since 2006. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1568476083
Entity type	Individual (Type 1)
Name	Dr. Mark Daniel Hackbarth
Credential	DDS
Sex	Male
Practice address	Brookfield, WI, 53005
Phone	2627826311
Fax	2627826770
Enumeration date	2006-07-28
Last updated in NPPES	2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	2479	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: Mark Hackbarth, DDS
NPI: 1568476083
Taxonomy: 122300000X (Dentist)
Address: Brookfield, WI, 53005

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1952455842	Rose Pham	Individual	General Practice Dentistry	Brookfield, WI

Verify this record

Cross-check NPI 1568476083 against the authoritative CMS record: view Dr. Mark Daniel Hackbarth 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 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 Mark Hackbarth?

Mark Hackbarth is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2007-07-08.