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

Mercy Mahaga, APNP, RN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1760882229

Mercy Mahaga, APNP, RN is a Nurse Practitioner in Waukesha, Wisconsin. Qualified in 2013, 13 years ago. Practices with Abg Wellness Group Inc, a 16-clinician group. Licensed in Wisconsin.

Years since qualifying
13
Licensed in
WI
In the registry since
2014
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

514 Riverview Ave
Waukesha, WI 53188-3631
Phone: (262) 548-7666
Fax: (262) 970-6696
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 5803-33 (WI)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 5803-33 (WI)

Record details

NPI number1760882229
Entity typeIndividual (Type 1)
GenderFemale
Credentials APNP , RN
Sole proprietorNo
NPI enumeratedSeptember 2, 2014
Last updated in NPPESApril 10, 2026
Certification dateApril 10, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Abg Wellness Group Inc — 16 clinicians
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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