Dean A Delmastro, MD
5.0(22 reviews)
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Office Hours

  • Mon:8:00am - 5:00pm
  • Tue:8:00am - 5:00pm
  • Wed:8:00am - 5:00pm
  • Thu:8:00am - 5:00pm
  • Fri:8:00am - 5:00pm

Dean A Delmastro, MD
Internal Medicine Physician - Medical Oncology

Biography

Dean A Delmastro, MD is a Internal Medicine Physician - Medical Oncology practicing in Eau Claire, WI

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Wonderful attitude and knows her stuff!!…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Rush Medical College of Rush University, Chicago IlOther Degree1988
Rush Medical College of Rush University Medical CenterMedical Degree1988

InstitutionFocusYear
Residency - University Of Nc Hosps, Hematology/Oncology; University Of So Al Hosps, Internal MedicineNot Specified
Internship - University South Ala1989
Residency - University of North Carolina Hospitals Program Not Specified

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Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Internal Medicine Physician - Sub-Specialty: Medical Oncology

Years In Practice: 31 (started in 1995)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 22
Most Recent Review: 07/08/2026
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Office & Staff Evaluation Not rated

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Wonderful attitude and knows her...”

Wonderful attitude and knows her stuff!!

Anonymous 07/08/2026
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Verified Patient

“Dr DelMastro was excellent!...”

Dr DelMastro was excellent!

Anonymous 05/14/2026
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Verified Patient

“Dr. Delmastro is an amazing Doct...”

Dr. Delmastro is an amazing Doctor. I am so grateful for his care.

Anonymous 03/02/2026
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Verified Patient

“I didn't get her name, but Dr. D...”

I didn't get her name, but Dr. Delmastro's PA was just wonderful. I saw both her and Dr. Delmastro.

Anonymous 02/21/2026
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Verified Patient

“Very good doctor. Explains thing...”

Very good doctor. Explains things well. He has great communication skills.

Anonymous 09/15/2025
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Verified Patient

“I love Dr Delmastro! He's a terr...”

I love Dr Delmastro! He's a terrific physician and I really appreciate the time he has taken to learn more about my puzzling case.

Anonymous 06/24/2026
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Verified Patient

“Went well even though wasn't nor...”

Went well even though wasn't normal provider. We were able to figure things out. And felt super at ease with everything.

Anonymous 04/23/2026
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Verified Patient

“Dean always explains things and ...”

Dean always explains things and asks what I think about treatments or scans. ...

Anonymous 02/23/2026
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Verified Patient

“I am at Marshfield Clinic becaus...”

I am at Marshfield Clinic because I wanted Dr Delmastro as my cancer doctor. He is a wonderful man & doctor.

Anonymous 09/18/2025
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Verified Patient

“Very nice dr. to work with you f...”

Very nice dr. to work with you feel ilke he is treating someone in his family. Love Dr. Delmastro!!

Anonymous 08/26/2025
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Locations

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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Dean A Delmastro, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Dean A Delmastro, MD has not yet specified the insurance plans he accepts.