Summary

Dr. Gregorio Guillen is an internal medicine physician who also specializes in geriatric medicine, bringing comprehensive care to adult patients with a particular focus on older adults. He earned his medical degree from Universidad C E T E C Escuela De Medicina and completed his residency training at Raritan Bay Medical Center. With 44 years of medical experience, Dr. Guillen has developed extensive expertise in managing complex health conditions across multiple decades of practice. He is fluent in both English and Spanish, allowing him to serve diverse patient communities.

Dr. Guillen is affiliated with Hackensack Meridian Old Bridge Medical Center and practices in Perth Amboy, New Jersey. His clinical expertise includes treating Type 2 diabetes and providing specialized care for diabetes management in children and teenagers. He also addresses issues related to trunk control and mobility challenges that patients may face. Dr. Guillen's approach to care incorporates various therapeutic interventions, including coordinating physical therapy and strength training programs to help patients maintain their independence and overall health. Patients have given him an average rating of 3.6 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.6
  • 44 years of experience
  • 47 insurance plans accepted
  • speaks English, Spanish
  • Raritan Bay Medical Center
  • 3 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Gregorio J. Guillen MD, PC

400 State StPerth Amboy, NJ 08861

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Gregorio J Guillen, MDDr. Dewan S Khan, MDBrian PintoDr. Mohamed Ali Sherif
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
4.3 
44 Years of Experience 41 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish, Bengali, Hindi, Urdu Speaks English Speaks English, Arabic, Spanish
Perth Amboy , NJHopelawn , NJWestfield , NJBrooklyn , NY
Med School: Universidad C E T E C Escuela De Medicina Med School: Rangpur Medical College Med School: Alexandria University, Bachelor of Medicine, Bachelor of Surgery
Current Profile
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Insurance Plans Accepted by Gregorio J Guillen

  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • AmeriGroup
  • AmeriGroup - HMO
  • AmeriGroup - Medicaid
  • AmeriGroup - Medicaid (Managed)
  • AmeriGroup - Medicare (Advantage HMO)
  • AmeriHealth
  • AmeriHealth - HMO
  • AmeriHealth - PPO
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey) - HMO
  • Cigna
  • Clover Health
  • Clover Health - HMO
  • Clover Health - Medicaid (Managed)
  • Fidelis Care (NY)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Horizon Blue Cross Blue Shield of New Jersey - HMO
  • Horizon NJ Health
  • Horizon NJ Health - HMO
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha - Medicare
  • Oscar Health Insurance
  • STLDentalPlan| LLC
  • STLDentalPlan| LLC - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Community Plan
  • UnitedHealthcare Oxford
  • Wellcare
  • Wellcare - Medicaid (Managed)
  • Wellcare - Medicare

Medical Specialties

Gregorio J Guillen has the following 2 specialties

Specialty Expertise

Gregorio J Guillen has the following 10 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • EOL Care
  • Geriatric Medicine
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

44 Years Experience

Gregorio J Guillen holds an active medical license in the state of New Jersey.

Medical License

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

Education & Training

Residency

Completed their residency at Raritan Bay Medical Center.

Medical School

Graduated from Universidad C E T E C Escuela De Medicina in 1982.

NPI Number

Gregorio J Guillen's NPI number is 1538252226.

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Frequently Asked Questions

Does Gregorio Guillen accept virtual/telehealth appointments?
Gregorio Guillen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Gregorio Guillen's office located?
Gregorio Guillen's office is located at 400 State St, Perth Amboy, NJ, 08861.
Which hospitals is Gregorio Guillen affiliated with?
Gregorio Guillen is affiliated with Hackensack Meridian Old Bridge Medical Center.
Does Gregorio Guillen accept my insurance?
You can see the insurance plans that Gregorio Guillen accepts on their Vitals profile.
Is Gregorio Guillen accepting new patients?
Gregorio Guillen is accepting new patients on Vitals. View Gregorio Guillen's profile on Vitals to make an appointment.

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