Summary

Dr. Joan Nilles is a family medicine physician who brings four decades of medical expertise to her practice. She earned her medical degree from the University of Iowa and completed her residency training at Northeast Iowa Medical Center. With 44 years of experience caring for patients and families, Dr. Nilles has developed extensive knowledge in comprehensive primary care. She provides medical services in English.

Dr. Nilles is affiliated with Buena Vista Regional Medical Center and practices across multiple locations in Rock Island, Illinois, Sioux City, Iowa, and Storm Lake, Iowa. Her family medicine background allows her to care for patients of all ages, from infants to seniors. She focuses on preventive care and managing ongoing health conditions for entire families. Patients have given Dr. Nilles an average rating of 4.7 stars, reflecting their confidence in her compassionate and thorough approach to healthcare.

Overview based on verified provider data

Quick Facts

  • 4.7
  • 44 years of experience
  • 12 insurance plans accepted
  • speaks English
  • Northeast Iowa Medical Center
  • 2 written reviews
  • 1 specialty
  • 69 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Joan Marie Nilles has 3 locations

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Dr. Joan Marie Nilles, MDDr. Sarah KaschkeShanekwah Melville, DNP, APRN, FNP-CDr. Sherwonna Barron, DNP, APRN, FNP-BC, FPA
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
44 Years of Experience 4 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English, Spanish
Rock Island , ILDENVER , COHouston , TXBolingbrook , IL
Med School: University Of Iowa Med School: Idaho College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Joan Marie Nilles

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • HealthPartners
  • Humana
  • Humana - PPO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • UnitedHealthcare
  • WPS Health Plan
  • WPS Health Plan - Medicare

Medical Specialties

Dr. Joan Marie Nilles has the following specialty

Specialty Expertise

Dr. Joan Marie Nilles has the following 69 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acne Rosacea
  • Adolescent Medicine
  • Allergy
  • Alternative Medicine
  • Anemia
  • Anxiety Disorders
  • Arthritis
  • Asthma
  • Blood Disorders
  • Bone Densitometry
  • Breastfeeding Problems
  • Carpal Tunnel Syndrome
  • Celiac Disease
  • Check-up
  • Cholesterol Management
  • Chronic Fatigue Syndrome
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Colposcopy
  • Constipation
  • Contraception
  • Delayed Puberty
  • Dementia Related Behavioral Disorders
  • Depression
  • Diabetes
  • Diabetic Foot
  • Drug Abuse (Substance-Related Addiction Disorders)
  • Eating Disorders
  • Emphysema
  • Endocrinology
  • Endometriosis
  • Exercise
  • Family Planning
  • Fibromyalgia
  • Geriatric Medicine
  • Gynecology
  • Hand Injuries
  • Heart Failure
  • High Cholesterol (Hypercholesterolemia)
  • Immunization
  • Infections
  • Inflammatory Bowel Diseases (IBD)
  • Influenza
  • Irritable Bowel Syndrome (IBS)
  • Lung Diseases
  • Male Circumcision
  • Menopause
  • Mood Disorders
  • Nasal Allergy (Rhinitis)
  • Newborn Medicine (Neonatology)
  • Nutritional Support
  • Obesity
  • Pediatrics
  • Pelvic Pain
  • Preventive Medicine
  • Rheumatology
  • Scoliosis
  • Sepsis (Blood Poisoning)
  • Sleep Apnea (Sleep Apnea Syndromes)
  • Sleep Disorders
  • Snoring
  • STD (Sexually Transmitted Diseases)
  • Thyroid Diseases
  • Tubal Ligation (Permanent Sterilization in Women)
  • Tuberculosis
  • Urinary Incontinence
  • Weight Loss
  • Weight Loss (non-surgical)
  • Women's Health

Certifications, License, & Education

44 Years Experience

Dr. Joan Marie Nilles holds an expired medical license in the state of Iowa.

Medical License

Medical Doctor with an expired medical license in the state of Iowa that expired in 2026.

Education & Training

Residency

Completed their residency at Northeast Iowa Medical Center.

Medical School

Graduated from University Of Iowa in 1982.

NPI Number

Dr. Nilles' NPI number is 1053383257.

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Frequently Asked Questions

How can I make an appointment with Dr. Joan Marie Nilles?
You can find contact information for Dr. Joan Marie Nilles here on Vitals.
What languages does Dr. Joan Marie Nilles speak?
Dr. Joan Marie Nilles speaks English.
Where is Dr. Joan Marie Nilles's office located?
Dr. Joan Marie Nilles's office is located at 2701 17th St, Rock Island, IL, 61201.
Which hospitals is Dr. Joan Marie Nilles affiliated with?
Dr. Joan Marie Nilles is affiliated with Buena Vista Regional Medical Center.
Does Dr. Joan Marie Nilles accept my insurance?
You can see the insurance plans that Dr. Joan Marie Nilles accepts on their Vitals profile.

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