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1 Rating
Summary
Dr. Dennis Gastineau is an oncologist and hematologist who specializes in treating cancer and blood disorders. He earned his medical degree from the Mayo Clinic Alix School of Medicine and has dedicated 48 years to caring for patients with these complex conditions. Dr. Gastineau speaks English and brings nearly five decades of expertise to his practice.
Dr. Gastineau is affiliated with Mayo Clinic Hospital and HonorHealth Scottsdale Shea Medical Center, with practice locations in Phoenix, Arizona and Rochester, Minnesota. His extensive experience in oncology and hematology allows him to provide comprehensive care for patients facing cancer diagnoses and blood-related health challenges. Patients have given him an average rating of 1.0 on Vitals.
Dr. Gastineau is affiliated with Mayo Clinic Hospital and HonorHealth Scottsdale Shea Medical Center, with practice locations in Phoenix, Arizona and Rochester, Minnesota. His extensive experience in oncology and hematology allows him to provide comprehensive care for patients facing cancer diagnoses and blood-related health challenges. Patients have given him an average rating of 1.0 on Vitals.
Overview based on verified provider data
Quick Facts
- 48 years of experience
- speaks English
- Mayo Clinic Alix School Of Medicine
- 2 specialties
- 13 areas of expertise
- 2 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Dennis Arthur Gastineau has 2 locationsCompare with Similar Doctors
 |  | |  |
| Dr. Dennis Arthur Gastineau | Amber Leigh Cano | Cathy Ann Payne | Melissa Beth Shelby |
| Oncology | Nurse Practitioner | Nurse Practitioner | Oncology |
| Accepts New Patients | Accepts New Patients | ||
| 48 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English | |
| Phoenix , AZ | Avondale , AZ | Phoenix , AZ | Phoenix , AZ |
| Med School: Mayo Clinic Alix School Of Medicine | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Dennis Arthur Gastineau
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Dennis Arthur Gastineau has the following 2 specialties
Specialty Expertise
Dr. Dennis Arthur Gastineau has the following 13 areas of expertise
Certifications, License, & Education
48 Years Experience
Dr. Dennis Arthur Gastineau holds an expired medical license in the state of Arizona.
Medical License
Medical Doctor with an expired medical license in the state of Arizona that expired in 2026.
Education & Training
Medical School
Graduated from Mayo Clinic Alix School Of Medicine in 1978.
NPI Number
Dr. Gastineau's NPI number is 1487633988.
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Frequently Asked Questions
- Does Dr. Dennis Gastineau accept virtual/telehealth appointments?
- Dr. Dennis Gastineau has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Dennis Gastineau?
- You can find contact information for Dr. Dennis Gastineau here on Vitals.
- Which hospitals is Dr. Dennis Gastineau affiliated with?
- Dr. Dennis Gastineau is affiliated with Mayo Clinic Hospital and Honorhealth Scottsdale Shea Medical Center.
- Does Dr. Dennis Gastineau accept my insurance?
- You can see the insurance plans that Dr. Dennis Gastineau accepts on their Vitals profile.
- What languages does Dr. Dennis Gastineau speak?
- Dr. Dennis Gastineau speaks English.
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