Stella Mahaga, NP
NPI 1255598140 · Psychiatric/Mental Health Nurse Practitioner · Greenfield, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stella Mahaga, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Greenfield, WI (NPI 1255598140).
Provider details
- NPI number
- 1255598140
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7261-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 83 |
| Trazodone Hcl | 52 |
| Clonazepam | 50 |
| Risperidone | 46 |
| Divalproex Sodium | 33 |
| Cariprazine Hclbrand: Vraylar | 30 |
| Clonidine Hcl | 27 |
| Vortioxetine Hydrobromidebrand: Trintellix | 27 |
| Brexpiprazolebrand: Rexulti | 24 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$705 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-19
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Stella Mahaga's NPI number?
- Stella Mahaga's National Provider Identifier (NPI) is 1255598140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stella Mahaga's specialty?
- Stella Mahaga is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stella Mahaga located?
- Stella Mahaga's practice location on file with NPPES is 8777 W Forest Home Ave, Greenfield, WI 53228-3421.
- What is Stella Mahaga's phone number?
- The practice phone number listed in the NPPES registry for Stella Mahaga is (262) 292-4777.
- Does Stella Mahaga accept Medicare?
- Stella Mahaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stella Mahaga's NPI active?
- Yes — Stella Mahaga's NPI (1255598140) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.