About Diablo Family Physicians

Your San Ramon Specialists — Proudly Part of BASS

Diablo Family Physicians (DFP) has been a trusted part of the San Ramon community for years—and as part of the BASS Medical Group network, we continue to provide the same compassionate, high-quality care our patients have come to expect.

Known for our small-practice feel, on-time appointments, and dedicated team, DFP focuses on personalized care and whole-person wellness. Our affiliation with BASS enhances our ability to offer expanded resources while maintaining the close, attentive approach that defines us. We also remain connected to John Muir and San Ramon Regional Medical Centers to better serve your healthcare needs.

White, modern-looking John Muir Health building off of 12677 Alcosta Blvd in San Ramon, California.
BASS Medical Group logo.

Meet the Physician Team

Meet the same caring providers you know and trust, now connected to a broader network of care.
Professional headshot of Henna Ebrahimi, a Physician Assistant specializing in Family Medicine in San Ramon, California.
Henna Ebrahimi
Family Medicine
Headshot of Dr. Tarannum Guller, MD, MMM – Internal Medicine Physician and Chief Medical Officer at BASS Medical Group
Tarannum Guller
Family Medicine
Professional headshot of Tanvi Raman, a Primary Care doctor in San Ramon, California.
Tanvi Raman
Family Medicine
Professional headshot of Gurpreet Boparai, a Family Medicine doctor in San Ramon, California.
Gurpreet Boparai
Family Medicine
Professional headshot of Artemio Perez, a Primary Care doctor in Pleasant Hill, California.
Artemio Perez
Family Medicine
Professional headshot of Sachie Nguyen-Trung, a Nurse Practitioner specializing in Family Medicine in San Ramon, California.
Sachie Nguyen-Trung
Family Medicine

Looking for Drs. Mark & Dolores Musco?

Drs. Mark and Dolores Musco, founders of Diablo Family Physicians, now continue their patient-centered care at their independent practice, FocusedMD, alongside Tim Sayles, PA-C.
Visit FocusedMD
Metabolic Weight Loss with LeanMD

Physician-Supervised Weight Loss, Personalized for You

As part of Diablo Family Physicians’ legacy, the LeanMD program continues to help patients achieve lasting results with a medically guided approach to weight loss. Built around your unique physiology, LeanMD provides the full spectrum of oral and injectable weight loss medications, in-person support, and optimized nutrition to improve your metabolic health.

  • Custom 1-on-1 Coaching
  • Prescription Weight Loss Medications
  • In-Person Physician Visits
  • Optimized Meal Plans
  • Weight Loss Supplements
  • Personalized for Your Body
Learn More

Contact Us Today!

Diablo Family Physicians

Address
12677 Alcosta Boulevard, Suite 180
San Ramon, CA 94583
Hours
Mon — Thurs 8:00 AM — 5:00 PM PST
Friday 8:00 AM — 4:00 PM PST

Same-Day or Next-Day Appointments Avaliable!

Call us or fill out our appointment request form
(925) 866-1005