Summary

Dr. Frank Mongillo is an internal medicine physician who earned his medical degree from George Washington University School of Medicine & Health Sciences. He completed his residency training at Hospital of Saint Raphael, building a strong foundation in comprehensive adult care. With 32 years of experience in internal medicine, Dr. Mongillo has developed extensive expertise in managing complex medical conditions. He provides care in English to patients throughout the New Haven area.

Dr. Mongillo practices at Yale New Haven Hospital Saint Raphael Campus in New Haven, Connecticut. His clinical focus includes treating diabetes, particularly Type 2 diabetes in both adults and younger patients. He performs diagnostic blood work and toxicology testing to help monitor patient health and guide treatment decisions. Patients have given Dr. Mongillo an average rating of 3.5 out of 5 on Vitals, reflecting their experiences with his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.5
  • 32 years of experience
  • 36 insurance plans accepted
  • speaks English
  • Hospital Of Saint Raphael
  • 8 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Spent time with me
  • Flexible scheduling

Office Locations

Dr. Frank Joseph Mongillo has 3 locations

Mongillo Frank J Iii Office

26 Elm St Fl 1New Haven, CT 06510
Mon10:00 am - 5:00 pm
Tue10:00 am - 5:00 pm
Wed10:00 am - 5:00 pm
Thu10:00 am - 5:00 pm
FriClosed
SatClosed
SunClosed

Yale New Haven Hospital

20 York StNew Haven, CT 06510

Compare with Similar Doctors

Dr. Frank Joseph Mongillo, MD
Dr. Robin Allen, MD
Kerry L. Folkman, MSN, NP-C
Eric Harker
Dr. Frank Joseph Mongillo, MDDr. Robin Allen, MDKerry L. Folkman, MSN, NP-CEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.5 
32 Years of Experience 23 Years of Experience 16 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
New Haven , CTNew Britain , CTBrookline , MALyons , CO
Med School: George Washington University School Of Medicine & Health Sciences Med School: Baylor College of Medicine in Houston, Texas Med School: Regis College Med School: Duke University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Frank Joseph Mongillo

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Anthem Blue Cross
  • Anthem Blue Cross and Blue Shield Connecticut
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Blue Shield of California
  • CarePartners of Connecticut
  • Cigna
  • Cigna - HMO
  • Cigna-HealthSpring
  • ConnectiCare
  • ConnectiCare - Medicare
  • GEHA
  • Harvard Pilgrim Health Care
  • Hawaii Medical Assurance Association (HMAA)
  • Humana
  • Humana - Medicare
  • Kaiser Permanente
  • MagnaCare - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Optum Health
  • Piedmont Community Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • Wellcare
  • Wellcare - Medicare

Medical Specialties

Dr. Frank Joseph Mongillo has the following specialty

Specialty Expertise

Dr. Frank Joseph Mongillo has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

32 Years Experience

Dr. Frank Joseph Mongillo holds an active medical license in the state of Connecticut.

Medical License

Medical Doctor with an active medical license in the state of Connecticut that expires in 2026.

Education & Training

Residency

Completed their residency at Hospital Of Saint Raphael.

Medical School

Graduated from George Washington University School Of Medicine & Health Sciences in 1994.

NPI Number

Dr. Mongillo's NPI number is 1811917289.

Similar doctors

Frequently Asked Questions

How can I make an appointment with Dr. Frank Mongillo?
You can find contact information for Dr. Frank Mongillo here on Vitals.
What languages does Dr. Frank Mongillo speak?
Dr. Frank Mongillo speaks English.
Which hospitals is Dr. Frank Mongillo affiliated with?
Dr. Frank Mongillo is affiliated with Yale New Haven Hospital Saint Raphael Campus.
Does Dr. Frank Mongillo accept my insurance?
You can see the insurance plans that Dr. Frank Mongillo accepts on their Vitals profile.
Is Dr. Frank Mongillo accepting new patients?
Dr. Frank Mongillo is accepting new patients on Vitals. View Dr. Frank Mongillo's profile on Vitals to make an appointment.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.