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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.

DIANE M OMAN MS LCSW
NPI 1346223740
Counselor - Mental Health in Waukesha, WI

Active since November 21, 2005
741 N GRAND AVE, STE 210, WAUKESHA, WI 53186(262) 547-2463(262) 547-8002 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Diane M Oman Ms Lcsw NPPES

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

DIANE M OMAN MS LCSW (NPI 1346223740) is an individual mental health provider in Waukesha, Wisconsin and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1346223740
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDIANE M OMANCredential: MS LCSW
Location Address741 N GRAND AVE, STE 210Waukesha, WI 53186-4820
Mailing Address741 N Grand Ave, Ste 210Waukesha, WI 53186-4820 · (262) 547-2463 · Fax (262) 547-8002
Phone(262) 547-2463
Fax(262) 547-8002
Sole ProprietorNo
Enumeration DateNovember 21, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1346223740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 481125 (WI)
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 1674123 (WI)
741 N GRAND AVE, Waukesha, WI 53186
Open in Google Maps ↗

Other Identifiers 1

Medicaid39188900WI

Other Providers at the Same Location NPPES 12

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

DR. JAMES MARTIN EISENMAN PH.D.
Psychologist
741 N GRAND AVE
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
MICHAEL CARL SHORT MSW,LCSW
Counselor (Mental Health)
741 N GRAND AVE
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
MS. CAROLYN R SHORT
Social Worker (Clinical)
741 N GRAND AVE, SUITE 302
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
BETTY M QUINN LPC
Counselor (Professional)
741 N GRAND AVE, SUITE 302
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
MS. PAMELA ANN BILODEAU MS LPC
Counselor (Professional)
741 N GRAND AVE, STE 302
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
RAY WOODSON KINNEY M.S.
Social Worker (Clinical)
741 N GRAND AVE, #302
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
JENNIFER VANROSSUM LPC
Counselor (Professional)
741 N GRAND AVE, SUITE 302
WAUKESHA, WI 53186
Waukesha County (262) 542-3255
KARALYNN ROYSTER M.A.
Counselor (Mental Health)
741 N GRAND AVE, SUITE 302
WAUKESHA, WI 53186
Waukesha County (262) 789-1191

Frequently Asked Questions

What is Diane Oman's NPI number?

The NPI number assigned to this healthcare provider is 1346223740, enumerated as an "individual" on November 21, 2005.

Where is the provider located?

The provider is located at 741 N GRAND AVE STE 210 WAUKESHA, WI 53186 and the phone number is (262) 547-2463.

What is the provider's specialty?

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

What insurance does Diane Oman accept?

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.