4.9
164 Ratings with 161 written Reviews

Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.
![]() | ![]() | ![]() | ![]() |
| Robert Michael Winrow | Dr. Megan Marie Griffin | Dr. Mahlet Assefa | Dr. Dave Benedicto Tan |
| Nephrology | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 24 Years of Experience | 6 Years of Experience | 6 Years of Experience | 45 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Seattle , WA | Seattle , WA | Seattle , WA | Seattle , WA |
| Med School: Ohio State University / College of Medicine | Med School: New York University School Of Medicine | Med School: University Of Washington School Of Medicine | Med School: University Of The Philippines Manila College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Robert Michael Winrow holds an expired medical license in the state of Washington. They are board certified in Internal medicine by the American Board of Internal Medicine.
Board certified in Internal medicine by the American Board of Internal Medicine.
Medical Doctor with an expired medical license in the state of Washington that expired in 2026.
Graduated from Ohio State University / College of Medicine in 2002.
Robert Michael Winrow's NPI number is 1326159815.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.