Summary

Dr. Dennis Gastineau has practiced oncology and hematology for 48 years and is affiliated with Mayo Clinic Hospital and HonorHealth Scottsdale Shea Medical Center. He earned his medical degree from Mayo Clinic Alix School of Medicine and sees patients in Phoenix, Arizona, and Rochester, Minnesota.

Overview based on verified provider data

Quick Facts

  • 1
  • 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 locations

Mayo Clinic Hospital

5777 E Mayo BlvdPhoenix, AZ 85054

Mayo Clinic in Rochester

200 1st St SwRochester, MN 55905

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Dr. Dennis Arthur GastineauDr. Jeffrey R Jacobsen, MDDr. Gordon Louis Grado, MDDr. Ramesh Kumar Ramanathan
OncologyPathologyOncologyOncology
Accepts New Patients Accepts New Patients
1 
0 
4.4 
4.3 
48 Years of Experience 22 Years of Experience 49 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Spanish Speaks English
Phoenix , AZPhoenix , AZScottsdale , AZScottsdale , AZ
Med School: Mayo Clinic Alix School Of Medicine Med School: University Of Illinois College Of Medicine Med School: Southern Illinois University School Of Medicine Med School: Karnataka Institute Of Medical Sciences
Current Profile
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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

  • Amyloidosis
  • Blood Coagulation Disorders
  • Bone Marrow Transplantation
  • Chronic BCR-ABL Positive Myelogenous Leukemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Graft vs Host Disease
  • Hematology
  • Hepatitis C
  • Leukemia
  • Multiple Myeloma (Cancer of Plasma Cells)
  • Non-Hodgkin Lymphoma

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

Where is Dr. Dennis Gastineau's office located?
Dr. Dennis Gastineau's office is located at 5777 E Mayo Blvd, Phoenix, AZ, 85054.
How can I make an appointment with Dr. Dennis Gastineau?
You can find contact information for Dr. Dennis Gastineau here on Vitals.
Is Dr. Dennis Gastineau accepting new patients?
Dr. Dennis Gastineau has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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.
Does Dr. Dennis Gastineau accept my insurance?
You can see the insurance plans that Dr. Dennis Gastineau accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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