1.8
5 Ratings with 2 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. Gurcharan Singh Sidhu, MD | Eric Harker | Karthikeyan Viswanathan, DO | Dr. Adama Diarra, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 52 Years of Experience | 25 Years of Experience | 12 Years of Experience | 14 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English | Speaks English, Tamil | Speaks English, French, Bambara |
| Fresno , CA | Lyons , CO | Palo Alto , CA | Tigard , OR |
| Med School: Saint Louis University School Of Medicine | Med School: Duke University School Of Medicine | Med School: Bassett Medical Center - Cooperstown, New York | Med School: Arizona College of Osteopathic Medicine |
Current Profile | View Profile | View Profile | View Profile |
Dr. Gurcharan Singh Sidhu holds an expired medical license in the state of California.
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Completed their residency at Maimonides Medical Center.
Graduated from Saint Louis University School Of Medicine in 1977 and Government Medical College Patiala in 1974.
Dr. Sidhu's NPI number is 1598827396.










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.