Staff Listings

Deepak Dhawan, MD

“ Living my father’s dream of helping people live a healthy life”

Board Certification: Internal Medicine
Locations: Castro Valley,  San Leandro (Internal Medicine/Primary Care)
Medical School: Dayanand Medical College & Hospital, University of Punjab,
Ludhiana, Punjab
Internship: San Joaquin General Hospital, French Camp, CA
Residency: San Joaquin General Hospital, French Camp, CA
Memberships: Member of Indian Medical Association
Facility Privileges: Alta Bates Summit Medical Center, Oakland, CA
Eden Medical Center, Castro Valley Campus, Castro Valley, CA
San Leandro Hospital, San Leandro, CA
Other Languages: Hindi, Punjabi, and Urdu
Professional Interests: Diabetes Mellitus, Hypertension, Cardiovascular disorders, Peripheral vascular disease & Gastrointestinal diseases
Personal Interests: Hiking, basketball, table tennis & badminton.

Christina Weahunt, RD, CDE

Certification: Registered Dietitian, Certified Diabetes Educator
Locations: San Leandro 
Education: San Francisco State University
(Bachelor of Science, Nutrition)
Internship: University of California, Berkeley, Berkeley, CA
(Dietetic internship)
Professional Interests: Diabetes education on self-management so people living with Diabetes can Live healthy, productive lives.
Personal Interests: Hiking, gardening, succulents, & I’m a foodie – love to cook, make low sugar Jams & dehydrated fruits & vegetables.

Katherine Burns, PA-C

Certification: Physician Assistant
Locations: Oakland (Surgery)
Education: Samuel Merritt College, Oakland, CA
(Master of Science in Physician Assistant Studies)
Marshall B. Ketchum University, Santa Ana, CA
(Controlled Substances Education Course)

Wisal Fare, PA-C

Certification: Physician Assistant
Locations: San Leandro (Internal Medicine/Primary Care)
Education: Stanford University, Palo Alto, CA
(Physician Assistant Certificate Program)
College of Alameda, Alameda, CA
(Associate Degree, Medical Assistant Certificate)
Personal Interests: Reading & trying to keep up with my two children.

Salvador G. Guevara, MD, FACS, FASCRS


Board Certification: Colon & Rectal Surgery, General Surgery
Locations: Antioch, San Ramon, Walnut Creek (Surgery)
Undergraduate School: Yale College
New Haven, CT
Medical School: University of California San Francisco, School of Medicine
San Francisco, CA
Intership: General Surgery – University of California San Francisco,
School of Medicine
San Francisco, CA
Residency: General Surgery – University of California San Francisco,
School of Medicine
San Francisco, CA
Fellowship: Colon & Rectal Surgery – University of Minnesota Twin Cities,
Department of Surgery
Minneapolis, MN
Memberships: American Society of Colon & Rectal Surgeons
American College of Surgeons
Crohn’s & Colitis Foundation
Facility Privileges: John Muir Medical Center, Concord
Concord, CA
John Muir Medical Center, Walnut Creek
Walnut Creek, CA
San Ramon Regional Medical Center
San Ramon, CA
Other Languages: Spanish, Beginner’s Portuguese
Professional Interests: Robotic Surgery, Minimally Invasive Surgery / Laparoscopy, Re-Operative / Re-Do Surgery, Transanal Surgery, Colon Cancer, Rectal Cancer, Diverticulitis, Colon & Rectal Polyps, Crohn’s Disease, Ulcerative Colitis, Pelvic Floor Disorders, Rectal Prolapse & Enhanced Recovery After Surgery.
Personal Interests: Cooking & Coffee.