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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GARY C HAUSER MD
NPI 1306821699
Psychiatry & Neurology - Psychiatry in Watertown, WI

Active since December 09, 2005
129 HOSPITAL DR, WATERTOWN, WI 53098(920) 262-4800(920) 262-4813 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Gary C Hauser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARY C HAUSER MD (NPI 1306821699) is an individual psychiatry provider in Watertown, Wisconsin, licensed in Wisconsin (14823) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1306821699
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameGARY C HAUSERCredential: MD
Location Address129 HOSPITAL DRWatertown, WI 53098-3384
Mailing AddressW349s4884 Kingdom DrDousman, WI 53118-9796 · (262) 965-3911
Phone(920) 262-4800
Fax(920) 262-4813
Sole ProprietorNo
Enumeration DateDecember 9, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1306821699 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in WI · 14823
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
129 HOSPITAL DR, Watertown, WI 53098
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Other Identifiers 1

Medicaid30949300WI

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CRAIG JEROME SCHOENECKER MD
Psychiatry & Neurology (Psychiatry)
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
MS. NICOLETTE ELLA WEISENSEL MD
Psychiatry & Neurology (Psychiatry)
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
WATERTOWN PHYSICIAN PRACTICES LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 252-4800
WATERTOWN REGIONAL MEDICAL CENTER INC
Clinic/Center (Adult Mental Health)
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
MS. KATHLEEN M O NEILL MSW LCSW
Social Worker (Clinical)
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
DR. ERIK DMITRI BEAVER PH.D.
Psychologist
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
DR. JOHN T DUFFIN PHD
Psychologist
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800
MR. JOHN THOMAS TURK CCSII CADCIII
Counselor
129 HOSPITAL DR
WATERTOWN, WI 53098
Dodge County (920) 262-4800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Hauser's NPI number?

The NPI number for Gary Hauser is 1306821699. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Where is Gary Hauser located?

Gary Hauser practices at 129 Hospital Dr, Watertown, WI 53098. The listed phone number is (920) 262-4800.

What is Gary Hauser's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Gary Hauser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.