Erin Lassanske, NP
NPI 1235135559 · Family Nurse Practitioner · Milwaukee, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Lassanske, NP is a Family Nurse Practitioner provider in Milwaukee, WI (NPI 1235135559).
Provider details
- NPI number
- 1235135559
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- License
- 2564-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
49 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 34 | $102 |
| Programming of Dual Lead Pacemaker System93280 | 15 | $58 |
Typical Medicare-allowed amounts for these services range $58–$102 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 195 | 76 |
| Apixabanbrand: Eliquis | 194 | 62 |
| Rivaroxabanbrand: Xarelto | 135 | 41 |
| Amiodarone Hcl | 133 | 50 |
| Sotalol Hclbrand: Sotalol | 90 | 38 |
| Metoprolol Tartrate | 84 | 36 |
| Diltiazem Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,769 across 13 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
- 2005-06-22
- Last updated
- 2007-07-09
Frequently asked questions
- What is Erin Lassanske's NPI number?
- Erin Lassanske's National Provider Identifier (NPI) is 1235135559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Lassanske's specialty?
- Erin Lassanske is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Lassanske located?
- Erin Lassanske's practice location on file with NPPES is 2901 W Kk River Pkwy, Milwaukee, WI 53215-3660.
- What is Erin Lassanske's phone number?
- The practice phone number listed in the NPPES registry for Erin Lassanske is (414) 645-6070.
- Does Erin Lassanske accept Medicare?
- Erin Lassanske is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Lassanske's NPI active?
- Yes — Erin Lassanske's NPI (1235135559) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.