Summary

Dr. William Dietz is a cardiovascular disease specialist with additional expertise in interventional cardiology. He earned his medical degree from Rutgers New Jersey Medical School and completed his residency at St. Elizabeths Medical Center. With 41 years of experience in cardiology, Dr. Dietz brings extensive knowledge to treating complex heart conditions. He speaks English with his patients.

Dr. Dietz is affiliated with Stephens Memorial Hospital and practices at multiple locations across Maine and New Hampshire, including York, Portland, and Portsmouth. His expertise includes managing high blood pressure and hypertensive emergencies, as well as treating children with high blood pressure. He performs diagnostic heart tests such as electrocardiograms and chest imaging studies. Patients have given Dr. Dietz an average rating of 3.4 out of 5 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.4
  • 41 years of experience
  • 15 insurance plans accepted
  • speaks English
  • St Elizabeths Medical Center
  • 3 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Office Locations

Dr. William Allen Dietz has 4 locations

York Hospital

15 Hospital DrYork, ME 03909
Mon7:30 am - 4:00 pm
Tue7:30 am - 4:00 pm
Wed7:30 am - 4:00 pm
Thu7:30 am - 4:00 pm
Fri7:30 am - 4:00 pm
SatClosed
SunClosed

Maine Medical Center

22 Bramhall StPortland, ME 04102

Seacoast Cardiology

12 Hospital Dr Ste DYork, ME 03909
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Cardiovascular Of New Hampshire

75 Portsmouth Blvd Ste 310Portsmouth, NH 03801
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. William Allen Dietz, MDDr. Dana Weisshaar, MDDr. Roisin B Morgan, MDDr. Mikhail D Romashko, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
41 Years of Experience 37 Years of Experience 22 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
York , MECambridge , MAScarborough , MEBiddeford , ME
Med School: Rutgers New Jersey Medical School Med School: University of Toledo Medical School Med School: University College Dublin School Of Medicine And Medical Science Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. William Allen Dietz

  • AARP
  • Aetna
  • APWU
  • Blue Cross Blue Shield of Texas
  • Cigna
  • Golden Rule
  • Harvard Pilgrim Health Care
  • Humana
  • Medicaid - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • SCAN Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. William Allen Dietz has the following 2 specialties

Specialty Expertise

Dr. William Allen Dietz has the following 9 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Interventional Cardiology
  • Stroke
  • Unstable Angina

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Maine, 2026, Active

EDUCATION & TRAINING

Residency

St Elizabeths Medical Center

Medical School

Rutgers New Jersey Medical SchoolGraduated in 1985

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Frequently Asked Questions

Does Dr. William Dietz accept my insurance?
You can see the insurance plans that Dr. William Dietz accepts on their Vitals profile.
Is Dr. William Dietz accepting new patients?
Dr. William Dietz is accepting new patients on Vitals. View Dr. William Dietz's profile on Vitals to make an appointment.
Which hospitals is Dr. William Dietz affiliated with?
Dr. William Dietz is affiliated with Stephens Memorial Hospital.
Where is Dr. William Dietz's office located?
Dr. William Dietz's office is located at 15 Hospital Dr, York, ME, 03909.
What languages does Dr. William Dietz speak?
Dr. William Dietz speaks English.

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