Dr. Margaret M. Grenisen
- Gender: Female
- Experience: 37 years
- Graduated from: Medical College Of Wisconsin
- Graduation year: 1984
- Sole propriator: No
- NPI: 1447231766
Dr. Margaret M. Grenisen MD
Family Physician
She is located at 800 West Avenue South in La Crosse, WI 54601. Can help patients with the following: Common Cold, General Care, Infant Care, Influenza, Pregnancy, Thyroid Disease. Her National Provider Identifier (NPI) number is 1447231766. Appointment can be made via the phone number (608) 392-9891. She is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. Margaret M. Grenisen, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Margaret M. Grenisen.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
Procedures Performed by Dr. Margaret M. Grenisen
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Margaret M. Grenisen as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Engage by Medica Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Engage by Medica Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Engage by Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Engage by Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Engage by Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Engage by Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Engage by Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Engage by Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Engage by Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Individual Choice Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Medica Individual Choice Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Medica Individual Choice Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Margaret M. Grenisen is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Margaret M. Grenisen is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: Mayo Clinic Health System-southwest Wisconsin Region Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
MEDICAL COLLEGE OF WISCONSIN
Graduated in 1984
Looking for more Family Physicians?
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- Address: 1540 Lake Street South Forest Lake, 55025, MN
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- Address: 800 West Avenue South La Crosse, 54601, WI
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- Address: 3454 Losey Boulevard South La Crosse, 54601, WI
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- Address: 1836 South Avenue La Crosse, 54601, WI
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Questions & Answers
Has Dr. Margaret M. Grenisen affiliation with hospitals?
Dr. Margaret M. Grenisen is affiliated with MAYO CLINIC HLTH SYSTM FRANCISCAN HLTHCARE SPARTA. For the full list of hospitals see this list.
What conditions does Dr. Margaret M. Grenisen treat?
Dr. Margaret M. Grenisen provides treatment for Common Cold, General Care, Infant Care, Influenza, Pregnancy, Thyroid Disease. For the full list see this list.
Where can you meet with Dr. Margaret M. Grenisen?
Dr. Margaret M. Grenisen's office is located at 800 West Avenue South in La Crosse, WI 54601.
Does Dr. Margaret M. Grenisen accept patients with Medica?
Yes, Dr. Margaret M. Grenisen is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Margaret M. Grenisen have affiliation with practices?
Dr. Margaret M. Grenisen is affiliated with Ashley Wellness Center - Gundersen Health. For the full list of practices see this list.