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Dr. Peter AS Johnstone, MD
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3 Patient Reviews
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Office Hours

  • Sun:7:00am - 9:00pm
  • Mon:7:00am - 9:00pm
  • Tue:7:00am - 9:00pm
  • Wed:7:00am - 9:00pm
  • Thu:7:00am - 9:00pm
  • Fri:7:00am - 9:00pm
  • Sat:7:00am - 9:00pm

Dr. Peter AS Johnstone, MD

Radiation Oncologist - General

Highlights

  • Board Certified

Biography

Dr. Johnstone received his MD degree from the Uniformed Services University of Health Sciences, Bethesda, MD. He completed a Transitional Internship at National Naval Medical Center and a Radiation On… Read more ›

Featured Review See More Reviews

He made me feel like he was as excited as me that my PSA results were better…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Uniformed Services University of The Health Sciences,BethesdaOther Degree1989

InstitutionFocusYear
Residency - Nat'L Cancer Inst, Radiation OncologyNot Specified

CertificationCert. BodyYear
Radiation OncologyRadiologyNot Specified

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English
Medical Specialties
  • Radiation Oncologist

Radiation Oncology

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 3
Most Recent Review: 07/27/2025
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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

Trust in Decision Making
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Verified Patient

“He made me feel like he was as e...”

He made me feel like he was as excited as me that my PSA results were better

Anonymous 07/27/2025
Open full review
Verified Patient

“Dr, was very confident and put m...”

Dr, was very confident and put my mind at ease

Anonymous 07/07/2025
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Verified Patient

“Dr Johnstone. I would like to pe...”

Dr Johnstone. I would like to personally thank you for the exceptional care and attention you provided. You have my highest rating and deepest gratitude.

Anonymous 07/25/2025

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Affiliated Practices

Practice Colleagues

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Dr Leidy Isenalumhe, MD, MS   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Dr. Peter AS Johnstone, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Dr. Peter AS Johnstone, MD has not yet specified the insurance plans he accepts.
     

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