Diane L Armstrong, MD
5.0(14 reviews)
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Office Hours at Mercy Health - Fairfield Internal Medicine

  • Mon:8:30am - 5:00pm
  • Tue:8:30am - 5:00pm
  • Wed:8:30am - 5:00pm
  • Thu:8:30am - 5:00pm
  • Fri:8:30am - 4:30pm

Diane L Armstrong, MD
Family Medicine Physician - General

Highlights

  • Board Certified

Biography

Diane L Armstrong, MD is a Family Medicine Physician - General practicing in Fairfield, OH

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

Featured Review See More Reviews

Dr. Armstrong is always thorough.…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Medical College of Ohio At ToledoOther Degree1985
University of Toledo College of MedicineOther Degree1985
The University of Toledo College of MedicineMedical Degree1985

InstitutionFocusYear
Residency - Resurrection Medical Center, Family MedicineNot Specified
Residency - Resurrection HospitalNot Specified
Residency - Presence Resurrection Medical Center Program Not Specified

CertificationCert. BodyYear
Family MedicineFamily MedicineNot Specified

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Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Family Medicine Physician

Family Practice

Accepts New Patients: No

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 14
Most Recent Review: 06/12/2026
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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
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Verified Patient

“Dr. Armstrong is always thorough...”

Dr. Armstrong is always thorough.

Anonymous 06/12/2026
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Verified Patient

“Kelly the MA is wonderful. Dr Ar...”

Kelly the MA is wonderful. Dr Armstrong is also wonderful. Very happy she is my doctor

Anonymous 01/23/2026
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Verified Patient

“Dr Armstrong is a great Dr...”

Dr Armstrong is a great Dr

Anonymous 01/06/2026
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Verified Patient

“Dr. Armstrong is so very patient...”

Dr. Armstrong is so very patient and understanding with my concerns. Explains medical terms in common language.

Anonymous 10/25/2025
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Verified Patient

“Dr. Armstrong is always very car...”

Dr. Armstrong is always very caring and takes the time to listen to my concerns and provide help suggestions.

Anonymous 10/09/2025
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Verified Patient

“Great care!!!!...”

Great care!!!!

Anonymous 04/06/2026
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Verified Patient

“All good...”

All good

Anonymous 01/18/2026
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Verified Patient

“Dr. Armstrong always takes as mu...”

Dr. Armstrong always takes as much time as needed for my appointment. I never feel rushed.

Anonymous 12/13/2025
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Verified Patient

“I have recommended before....”

I have recommended before.

Anonymous 10/17/2025
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Verified Patient

“Dr. Armstrong listens, she is co...”

Dr. Armstrong listens, she is concerned and best of all - she is up to date on medical advances.

Anonymous 10/07/2025
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Locations

Affiliated Practices

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Samar Hijazi, MD   -   Internal Medicine Physician
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Jason Ulitzsch, APRN-CNP   -   Internal Medicine Physician, Nurse Practitioner
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Neel Patel, DO   -   Internal Medicine Physician
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Diane L Armstrong, MD has not yet listed the medications that she commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Diane L Armstrong, MD has not yet specified the insurance plans she accepts.