Dr. John A. Co
- Gender: Male
- Experience: 38 years
- Graduation year: 1983
- Sole propriator: Yes
- NPI: 1588620199
Dr. John A. Co MD
Internist
He is located at 140 Chestnut Street Suite 202 in Ridgewood, NJ 07450. Can help patients with the following: Chest Pain, Common Cold, Constipation, Edema, Gastroesophageal Reflux Disease (GERD), Peptic Ulcer. His National Provider Identifier (NPI) number is 1588620199. Appointment can be made via the phone number (201) 445-0405. He is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. John Alexander Co, being an internist, 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. John A. Co.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John A. Co
Insurances Accepted by Dr. John A. Co
- Medicare
- Oscar
Medicare Enrollment
Dr. John A. Co is enrolled to bill Medicare as a Practitioner - Cardiovascular Disease (cardiology) .
Bills through: Ridgewood Cardiology Associates
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Janssen | $2501 |
| Medtronic | $2042 |
| Pfizer | $1995 |
Other
| Food and Beverage | $18766 |
| Travel and Lodging | $217 |
Studies
Graduated in 1983
Looking for more Internists?
Out of the 60 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 223 North Van Dien Avenue Ridgewood, 7450, NJ
- Gender: Female
- Address: 1124 East Ridgewood Avenue Ridgewood, 7450, NJ
- Gender: Male
- Address: 1124 East Ridgewood Avenue Ridgewood, 7450, NJ
- Gender: Male
- Address: Suite 303 1200 East Ridgewood Avenue Ridgewood, 7450, NJ
- Gender: Male
- Address: 423 Colwell Court Ridgewood, 7450, NJ
- Gender: Female
- Address: 223 North Van Dien Avenue Ridgewood, 7450, NJ
- Gender: Female
- Address: 26 East 22nd Street New York, 10010, NY
- Gender: Female
- Address: 668 Alanon Road Ridgewood, 7450, NJ
- Gender: Female
- Address: 735 Linwood Avenue Ridgewood, 7450, NJ
- Gender: Male
- Address: Suite 1W 947 Linwood Avenue Ridgewood, 7450, NJ
Questions & Answers
Where can you meet with Dr. John Alexander Co?
Dr. John Alexander Co's office is located at 140 Chestnut Street Suite 202 in Ridgewood, NJ 07450.
What conditions does Dr. John Alexander Co treat?
Dr. John Alexander Co provides treatment for Chest Pain, Common Cold, Constipation, Edema, Gastroesophageal Reflux Disease (GERD), Peptic Ulcer. For the full list see this list.
Does Dr. John Alexander Co have affiliation with practices?
Dr. John Alexander Co is affiliated with Ridgewood Cardiology Associates. For the full list of practices see this list.
Has Dr. John Alexander Co affiliation with hospitals?
Dr. John Alexander Co is affiliated with VALLEY HOSPITAL.
Does Dr. John Alexander Co accept patients with Medicare?
Yes, Dr. John Alexander Co accepts patients with Medicare.