Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas Edward Mahoney

Individual provider Psychiatry Physician · NPI 1275929051

Nicholas Edward Mahoney is a Psychiatry in Oconomowoc, Wisconsin. Qualified in 2015, 11 years ago. Practices with Rogers Memorial Hospital Incorporated, a 45-clinician group. Licensed in Wisconsin.

Years since qualifying
11
Licensed in
WI
In the registry since
2015

Practice location Address checks out

34700 Valley Rd
Oconomowoc, WI 53066
Phone: (262) 646-4411
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 67052 - 21 (WI)

Record details

NPI number1275929051
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 8, 2015
Last updated in NPPESMarch 21, 2024
Certification dateMarch 21, 2024
Mailing address34700 Valley Rd, Oconomowoc, WI 53066-4500

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Rogers Memorial Hospital Incorporated — 45 clinicians
Accepts Medicare assignment Not indicated

Other providers in Oconomowoc