Dr. Gregorio J. Guillen
- Gender: Male
- Experience: 39 years
- Graduation year: 1982
- Sole propriator: Yes
- NPI: 1538252226
Dr. Gregorio J. Guillen M.D
Geriatrician
He is located at 400 State St. Suite 2 in Perth Amboy, NJ 08861. Can help patients with the following: Cholecystitis, Diarrhea, Headache, Hyponatremia, Nausea and Vomiting, Osteoporosis. His National Provider Identifier (NPI) number is 1538252226. Appointment can be made via the phone number (732) 442-6020. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Gregorio J. Guillen, being an geriatrician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregorio J. Guillen.
- Abdominal Pain
- Acute Pain
- Aging In Place
- Alzheimer's Disease
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Balance Issues
- Bladder Control
- Bone Loss
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cognitive Decline
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fatigue
- Fecal Incontinence
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hip Bursitis
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Low Back Pain
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Progressive Neurological Disorders
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Gregorio J. Guillen
Medicare Enrollment
Dr. Gregorio J. Guillen is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Geriatric Medicine) .
Bills through: Gregorio J. Guillen Md, Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $2070 |
| Amgen | $1520 |
| Novo Nordisk | $1149 |
Other
| Food and Beverage | $13298 |
| Travel and Lodging | $349 |
Studies
Graduated in 1982Additional Specialities
- Internist
Looking for more Geriatricians?
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Questions & Answers
Has Dr. Gregorio J. Guillen affiliation with hospitals?
Dr. Gregorio J. Guillen is affiliated with RARITAN BAY MEDICAL CENTER PERTH AMBOY DIVISION.
Does Dr. Gregorio J. Guillen have affiliation with practices?
Dr. Gregorio J. Guillen is affiliated with Gregorio J Guillen MD.
Where can you meet with Dr. Gregorio J. Guillen?
Dr. Gregorio J. Guillen's office is located at 400 State St. Suite 2 in Perth Amboy, NJ 08861.
What conditions does Dr. Gregorio J. Guillen treat?
Dr. Gregorio J. Guillen provides treatment for Cholecystitis, Diarrhea, Headache, Hyponatremia, Nausea and Vomiting, Osteoporosis. For the full list see this list.