Holly Onsager, MSN
Compare health plans in WI
Find coverage options that include this provider in-network and fit your budget.
- NPI Number
- 1114274107
- Provider Type
- Individual Practitioner
- Credential
- MSN
- Primary Specialty
- Nursing Service Providers - Registered Nurse
- License Number
- 658995-30
- Practice Address
- 2014 E Webster PL
- City, State ZIP
- Milwaukee, WI 53211
- Phone
- (414) 962-5766
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Holly Onsager, MSN is a nursing service providers - registered nurse provider located in Milwaukee, WI. They offer nursing service providers - registered nurse services to patients in the Milwaukee area.
As a nursing service providers - registered nurse provider in Milwaukee, this clinician evaluates and treats patients for a range of common conditions seen in Milwaukee and throughout WI.
The practice is located at 2014 E Webster PL, Milwaukee, WI 53211. Patients can call 4149625766 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for patients see nurse practitioners for primary care, sick visits, chronic disease management, women’s health, and preventive screenings.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in WI.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to nursing service providers - registered nurse care in Milwaukee, WI.
What a Nursing Service Providers - Registered Nurse provider does
Nurse practitioners are advanced practice registered nurses who diagnose and treat illnesses, prescribe medications, and manage patient care. They often serve as a patient’s primary care provider and work alongside physicians.
Common conditions treated
Nurse practitioners treat high blood pressure, diabetes, infections, minor injuries, respiratory illnesses, women’s health concerns, mental health conditions such as anxiety and depression, and chronic disease management needs.
Common reasons to schedule a visit
Patients see nurse practitioners for primary care, sick visits, chronic disease management, women’s health, and preventive screenings.
What to expect during a visit
Visits with a nurse practitioner are similar to those with a physician, including history, examination, diagnosis, and treatment planning. NPs emphasize patient education and preventive care.
Insurance coverage considerations
Nurse practitioner services are covered by most insurance plans, including Medicare and Medicaid. Use our quote tool to compare plans that include this provider.
How to choose the right nursing service providers - registered nurse provider in Milwaukee
When choosing a nurse practitioner, confirm their specialty certifications (such as family, adult-gerontology, or psychiatric mental health) and whether they have an established relationship with supervising physicians for complex cases.
Looking for in-network coverage that includes this nursing service providers - registered nurse provider? Compare health plans in WI →
Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also use our quote tool to find health plans in WI.
Explore more healthcare options in and around Milwaukee, WI.
Common questions about Holly Onsager, MSN in Milwaukee, WI.
How do I make an appointment with Holly Onsager, MSN?
Call Holly Onsager, MSN directly at their Milwaukee office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Holly Onsager, MSN accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also use our quote tool to find health plans in WI.
What are the office hours for Holly Onsager, MSN in Milwaukee?
Office hours for Holly Onsager, MSN in Milwaukee are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Holly Onsager, MSN's Milwaukee location?
Most provider offices in Milwaukee offer on-site or nearby street parking. Call Holly Onsager, MSN in Milwaukee ahead of time to confirm parking options and accessibility accommodations.
Does Holly Onsager, MSN offer telehealth?
Many nursing service providers - registered nurse providers in WI now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Holly Onsager, MSN to ask whether a telehealth visit is appropriate for your needs.
Claim this profile to add photos, services, office hours, and respond to patient inquiries.
Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Last updated June 8, 2026.