Overview
Margaret Duffy is a Nurse Practitioner practicing medicine in Marshalltown, Iowa.
Specialties
Licenses
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
Locations
407 E Main St, Marshalltown, IA 50158
MercyOne Des Moines Pulmonary & Critical Care
Jonathan Smith, ARNP, specializes in Pulmonary and Critical Care Medicine at MercyOne Des Moines Pulmonary & Critical Care in Des Moines, Iowa. Smith, NP is highly rated in 29 conditions, according to our data. His clinical expertise encompasses Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Asthma in Children, and Asthma. Smith, NP is currently accepting new patients.
MercyOne Iowa Heart Center Des Moines
Mary Runkel is a Nurse Practitioner specialist and a Cardiologist practicing medicine in Des Moines, Iowa. Runkel, NP is highly rated in 9 conditions, according to our data. Her clinical expertise encompasses Heart Failure, Pulmonary Edema, Cardiomyopathy, and Heart Failure with Preserved Ejection Fraction (HFpEF). Runkel, NP is currently accepting new patients.
MercyOne Waterloo Behavioral Health Care
Nan Ambrosy is a Nurse Practitioner practicing medicine in Waterloo, Iowa. Ambrosy, NP is highly rated in 3 conditions, according to our data. Her clinical expertise encompasses Seasonal Affective Disorder (SAD), Schizoaffective Disorder, and Oppositional Defiant Disorder (ODD). Ambrosy, NP is board certified in American Nurses Credentialing Center. Ambrosy, NP is currently accepting new patients.
Frequently Asked Questions about Margaret Duffy, NP
How do I make an appointment with Margaret Duffy, NP?
You can book an appointment with Margaret Duffy, NP by calling their office at 641-752-4681. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Does Margaret Duffy, NP accept my insurance?
Margaret Duffy, NP accepts most major insurance plans, including Cigna and UnitedHealthcare. We recommend calling the office directly at 641-752-4681 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
We do not have enough information to identify the Areas of Expertise for this provider.


