Dr. Garret G. Decastro
- Gender: Male
- Experience: 25 years
- Sole propriator: No
- NPI: 1427273895
Dr. Garret G. Decastro MD
Internist
He is located at 606 Oakesdale Avenue Southwest Suite C200 in Renton, WA 98057. Can help patients with the following: Anemia, Atherosclerosis, Gastroesophageal Reflux Disease (GERD), Migraine, Nausea and Vomiting, Obesity. His National Provider Identifier (NPI) number is 1427273895. Appointment can be made via the phone number (866) 259-1629. He is affiliated with 1 practices.
Conditions treated
Garret G. De Castro, 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. Garret G. Decastro.
- 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)
Medicare Enrollment
Dr. Garret G. Decastro is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Kaiser Foundation Health Plan Of The Northwest
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.
Sanctions
| Date | Description | Board |
|---|---|---|
| ACTIVE: This provider has been disciplined. | Washington State Department of Health | Washington State Department of Health |
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- Address: Suite C200 606 Oakesdale Avenue Southwest Renton, 98057, WA
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- Address: 606 Oakesdale Avenue Southwest Renton, 98057, WA
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Questions & Answers
What conditions does Garret G. De Castro treat?
Garret G. De Castro provides treatment for Anemia, Atherosclerosis, Gastroesophageal Reflux Disease (GERD), Migraine, Nausea and Vomiting, Obesity. For the full list see this list.
Does Garret G. De Castro accept insurance?
Unfortunately we don't have any information if Garret G. De Castro accepts insurance.
Does Garret G. De Castro have affiliation with practices?
Garret G. De Castro is affiliated with Providence Physician Group.
Where can you meet with Garret G. De Castro?
Garret G. De Castro's office is located at 606 Oakesdale Avenue Southwest Suite C200 in Renton, WA 98057.