Shawn Stemper, NP
NPI 1588219679 · Psychiatric/Mental Health Nurse Practitioner · Lake Geneva, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Stemper, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Lake Geneva, WI (NPI 1588219679).
Provider details
- NPI number
- 1588219679
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 9462 (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 tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
295 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 158 | $98 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 125 | $60 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 12 | $156 |
Typical Medicare-allowed amounts for these services range $60–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 459 | 63 |
| Lamotrigine | 305 | 36 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 290 | 35 |
| Buspirone Hcl | 285 | 44 |
| Bupropion Hclbrand: Bupropion Xl | 268 | 39 |
| Quetiapine Fumarate | 246 | 23 |
| Duloxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-06
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Shawn Stemper's NPI number?
- Shawn Stemper's National Provider Identifier (NPI) is 1588219679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Stemper's specialty?
- Shawn Stemper is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shawn Stemper located?
- Shawn Stemper's practice location on file with NPPES is 146 E Geneva Sq, Lake Geneva, WI 53147-9694.
- What is Shawn Stemper's phone number?
- The practice phone number listed in the NPPES registry for Shawn Stemper is (877) 666-7223.
- Does Shawn Stemper accept Medicare?
- Shawn Stemper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Stemper's NPI active?
- Yes — Shawn Stemper's NPI (1588219679) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.