Summary

Dr. Gary Portnay is an endocrinologist who specializes in diabetes and metabolism, as well as internal medicine. He earned his medical degree from Chicago Medical School at Rosalind Franklin University of Medicine and Science and completed his residency at St. Elizabeth's Medical Center. With 58 years of clinical experience, Dr. Portnay brings extensive knowledge to his practice caring for patients with complex metabolic conditions. He speaks Italian and Russian in addition to English.

Dr. Portnay practices at Winchester Hospital and sees patients in Billerica, Massachusetts. His expertise focuses on helping patients manage diabetes and other endocrine disorders that affect hormone production and metabolism. He also provides comprehensive internal medicine care for adult patients with various health concerns. Patients give Dr. Portnay an average rating of 5.0 on Vitals, reflecting their satisfaction with his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 58 years of experience
  • 20 insurance plans accepted
  • speaks Italian, Russian
  • St Elizabeths Medical Center
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Gary Ira Portnay has 2 locations

Lahey Health Primary Care Billerica

790 Boston RdBillerica, MA 01821
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Lahey Health Primary Care, Billerica

790 Boston Rd Ste 8Billerica, MA 01821

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Dr. Gary Ira Portnay, MDDr. Joseph Vincent ThakuriaDr. Queeneth Chizaram UwanduDr. Anna Rose Larosa
Endocrinology, Diabetes & MetabolismMedical GeneticsAddiction MedicineInterventional Cardiology
Accepts New Patients
58 Years of Experience 31 Years of Experience 10 Years of Experience 10 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Italian, Russian
Billerica , MABoston , MABoston , MABoston , MA
Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: St Georges University School Of Medicine Med School: Kharkiv National Medical University Med School: University Of Wisconsin School Of Medicine & Public Health
Current Profile
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Insurance Plans Accepted by Dr. Gary Ira Portnay

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • Aetna - PPO
  • AmeriGroup
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Harvard Pilgrim Health Care
  • MassHealth - Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Tufts Health Plan
  • UniCare
  • UniCare - Medicare
  • UnitedHealthcare

Medical Specialties

Dr. Gary Ira Portnay has the following 2 specialties

Specialty Expertise

Dr. Gary Ira Portnay has the following 11 areas of expertise

  • Check-up
  • Diabetes
  • Diabetes Complications
  • Diabetes Mellitus, Type 1
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Thyroid Diseases
  • Vaccination
  • Weight Loss

Certifications, License, & Education

58 Years Experience

Dr. Gary Ira Portnay holds an active medical license in the state of Massachusetts.

Medical License

Medical Doctor with an active medical license in the state of Massachusetts that expires in 2027.

Education & Training

Residency

Completed their residency at St Elizabeths Medical Center.

Medical School

Graduated from Chicago Medical School At Rosalind Franklin University-Medicine & Sciences in 1968.

NPI Number

Dr. Portnay's NPI number is 1346289345.

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Frequently Asked Questions

Where is Dr. Gary Portnay's office located?
Dr. Gary Portnay's office is located at 790 Boston Rd, Billerica, MA, 01821.
Does Dr. Gary Portnay accept my insurance?
You can see the insurance plans that Dr. Gary Portnay accepts on their Vitals profile.
How can I make an appointment with Dr. Gary Portnay?
You can find contact information for Dr. Gary Portnay here on Vitals.
Is Dr. Gary Portnay accepting new patients?
Dr. Gary Portnay is accepting new patients on Vitals. View Dr. Gary Portnay's profile on Vitals to make an appointment.
Which hospitals is Dr. Gary Portnay affiliated with?
Dr. Gary Portnay is affiliated with Winchester Hospital.

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