Dr. Jennifer Holloway Mastroianni, MD

Dr. Jennifer Holloway Mastroianni, MD

Internal Medicine  ·  
Female  ·  
Age 48
Dr. Jennifer Holloway Mastroianni, MD is an internal medicine specialist in Newtown, CT and has been practicing for 20 years. She graduated from Creighton University School Of Medicine in 1995 and specializes in internal medicine.

172 Mount Pleasant Rd

Newtown, CT 06470

Contact Information

(203) 426-8442

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • First Health (Coventry Health Care)
  • Harvard Pilgrim Health Care
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Holloway Mastroianni

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Dr. Holloway Mastroianni's Experience

Dr. Holloway Mastroianni's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Internal Medicine
  • Board certified in Internal Medicine
  • No malpractice claims found
  • No sanctions found
  • No board actions found

1  Specialties

  • Internal Medicine

1  Board Certifications

  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

137  Conditions Treated


Read Less

21  Procedures

  • Anemia and Iron Deficiency Screening
  • Cardiovascular Stress Test
  • Cholesterol Screening
  • Diabetes Counseling
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Fecal Occult Blood Test for Colorectal Cancer
  • Hepatitis B Virus Screening
  • Hepatitis C Virus Screening
  • Hepatitis Screening
  • Human Papillomavirus DNA Testing
  • Immunization
  • Liver Function Test
  • Osteoporosis Screening
  • Pap Smear
  • Pregnancy Test
  • Prostate Cancer Screening
  • Pulmonary Function Test
  • Sexually Transmitted Infections Screening
  • Thyroid Screening
  • Wellness Examination

Background Check

0 Malpractice Claims

No malpractice history found for Connecticut.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Creighton University School Of Medicine
    Medical School | Graduated 1995
  • Penn State University Med Center
    Residency Hospital | Completed 1998

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Holloway Mastroianni has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Holloway Mastroianni does not have any memberships or affiliations listed. If you are Dr. Holloway Mastroianni and would like to add memberships or affiliations, please update your profile.

Dr. Holloway Mastroianni's Reviews

Likelihood of recommending Dr. Holloway Mastroianni to family and friends
4 total reviews (2 have comments)

Likelihood to Recommend (4)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Holloway Mastroianni's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    Under 10 minutes

Patient Comments (2)

She is a very caring doctor who spends a lot of extra time with her patients.
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Highly recommended. Caring and knowledgable.
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