Doctor profile · Federal record

Dr. Mercy Mahaga, APNP, RN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Nurse Practitioner · Waukesha, WI

  • NPI 1760882229
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
514 Riverview Ave
Waukesha, WI 531883631
(262) 548-7666
fax (262) 970-6696

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
April 10, 2026
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Wisconsin #5803-33

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760882229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
203
Distinct HCPCS
5
Medicare allowed
$11,942
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 106 52 $73
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 32 24 $36
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 31 14 $19
99214 Established patient office or other outpatient visit, 30-39 minutes 20 15 $101
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 14 12 $35

In context: peer comparison

Among 23 peers in this city , average services per provider: 112. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$456
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Alkermes, Inc. 10 $222.67
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $124.97
Axsome Therapeutics, Inc. 1 $32.28
Lundbeck LLC 1 $25.44
Neurocrine Biosciences, Inc. 1 $20.44
Janssen Pharmaceuticals, Inc 1 $16.72
Teva Pharmaceuticals USA, Inc. 1 $13.61

By nature of payment

Food and Beverage
$456

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,939
Patients
169
Total drug cost
$80,393
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 221 23 $5,648
Fluoxetine Hcl Generic 191 16 $2,221
Olanzapine Generic 189 14 $6,372
Risperidone Generic 175 16 $2,190
Aripiprazole Generic 165 28 $34,855
Trazodone Hcl Generic 160 27 $1,886
Clozapine Generic 145 0 $8,998
Clonazepam Generic 131 20 $1,272
Sertraline Hcl Generic 100 13 $859
Duloxetine Hcl Generic 84 0 $1,543

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mercy Mahaga's medical specialty?
Dr. Mercy Mahaga practices Family Nurse Practitioner in Waukesha, WI.
Where does Dr. Mercy Mahaga practice?
Dr. Mercy Mahaga practices at 514 Riverview Ave, Waukesha, WI 531883631. Office phone: 2625487666.
What is Dr. Mercy Mahaga's NPI?
Dr. Mercy Mahaga's National Provider Identifier (NPI) is 1760882229, issued by NPPES.
Does Dr. Mercy Mahaga accept Medicare assignment?
Dr. Mercy Mahaga does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mercy Mahaga commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Residence visit for established patient with straightforward medical decision making (HCPCS 99347); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.