Summary

Dr. Daniel Gruenstein specializes in cardiovascular disease and pediatrics, bringing together expertise in heart conditions for patients of all ages. He earned his medical degree from the University of Cincinnati College of Medicine and has practiced for three decades, developing deep knowledge in treating complex cardiac conditions in both children and adults. Dr. Gruenstein communicates with patients in both English and Spanish.

Dr. Gruenstein practices at several locations throughout Bangor, Maine, including Saint Joseph Hospital, Northern Light Eastern Maine Medical Center, and Northern Light Pediatric Cardiology. He focuses on treating patients with congenital heart disease, irregular heart rhythms, and heart valve problems. His expertise includes performing heart rhythm tests, stress tests that monitor heart function during exercise, and ultrasound imaging to evaluate blood flow through the heart. Patients have given him an average rating of 4.6 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 4.6
  • 30 years of experience
  • 26 insurance plans accepted
  • speaks English, Spanish
  • University Of Cincinnati College Of Medicine
  • 11 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Daniel Harris Gruenstein has 3 locations

Saint Joseph Hospital

360 BroadwayBangor, ME 04401

Northern Light Pediatric Cardiology

417 State St Ste 305Bangor, ME 04401
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

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Dr. Daniel Harris Gruenstein, MDDr. Dana Weisshaar, MDDr. Yuriy MedvidDr. John R Farquhar
Cardiovascular DiseaseCardiovascular DiseaseAnesthesiologyPediatrics
Accepts New Patients
4.6 
30 Years of Experience 37 Years of Experience 42 Years of Experience 57 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English
Bangor , MECambridge , MABANGOR , MEBangor , ME
Med School: University Of Cincinnati College Of Medicine Med School: University of Toledo Medical School Med School: Danylo Halytsky Lviv National Medical University Med School: Northwestern University
Current Profile
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Insurance Plans Accepted by Dr. Daniel Harris Gruenstein

  • Aetna
  • Aetna - HMO
  • Aetna - POS
  • Aetna - PPO
  • Anthem Blue Cross
  • Anthem Blue Cross and Blue Shield Colorado
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Blue Shield of California
  • Cigna
  • Community Health Options
  • GEHA
  • Harvard Pilgrim Health Care
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Tricare
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. Daniel Harris Gruenstein has the following 2 specialties

Specialty Expertise

Dr. Daniel Harris Gruenstein has the following 2 areas of expertise

  • Heart Catheterization
  • Pediatrics

Certifications, License, & Education

30 Years Experience

Dr. Daniel Harris Gruenstein holds an active medical license in the state of Maine.

Medical License

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

Education & Training

Medical School

Graduated from University Of Cincinnati College Of Medicine in 1996.

NPI Number

Dr. Gruenstein's NPI number is 1518911288.

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Frequently Asked Questions

Where is Dr. Daniel Gruenstein's office located?
Dr. Daniel Gruenstein's office is located at 360 Broadway, Bangor, ME, 04401.
Which hospitals is Dr. Daniel Gruenstein affiliated with?
Dr. Daniel Gruenstein is affiliated with The University Of Chicago Medicine.
How can I make an appointment with Dr. Daniel Gruenstein?
You can find contact information for Dr. Daniel Gruenstein here on Vitals.
Does Dr. Daniel Gruenstein accept my insurance?
You can see the insurance plans that Dr. Daniel Gruenstein accepts on their Vitals profile.
Is Dr. Daniel Gruenstein accepting new patients?
Dr. Daniel Gruenstein has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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