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Program Leadership

Core Academic Faculty

Mrinmayee V. Naik, MD
Program Director
Residency: Loyola Medicine MacNeal Hospital, Berwyn, Illinois 
Internal Medicine
Inpatient Hospital Medicine

Kwabena Adubofour, MD, FACP
Residency: Maricopa Medical Center and Kaiser Permanente Medical Center Oakland
Fellowship: Clinical Pharmacology-Stanford University Medical Center, CA
East Main Clinic and Stockton Diabetes Intervention Center

George Charos, MD
Residency: Mercy Hospital and Medical Center, San Diego
Fellowship: University of Massachusetts Medical Center, Worcester 
Stockton Cardiology Medical Group

Priyasheelta Nand, MD
Residency: San Joaquin General Hospital
Fellowship: University of California, Davis (UCD) Medical Center
Internal Medicine: Infectious Disease
Touro University Medical Group Stockton

Robert Protell, MD
Residency: University of Virginia Hospital, Charlottesville
Fellowship: University of Washington, Seattle
Internal Medicine-Gastroenterology
Dignity Health Medical Group

Vijay Singh, MD
Residency: University of Nevada, Reno
Fellowship: University of California San Francisco (UCSF)
Internal Medicine
Inpatient Hospital Medicine



Cyrus Buhari, DO
Residency: University of California San Francisco (UCSF), Fresno
Fellowship: University of California San Francisco (UCSF), Fresno
San Joaquin Cardiology Medical Group

Chunhui Fang, MD
Residency: Jacobi Medical Center
Fellowship: Stony Brook University Medical Center
Internal Medicine-Hematology
Stockton Hematology Oncology

Howard Feinberg, DO
Residency: Metropolitan Hospital-Central Division, Philadelphia
Fellowship: Albert Einstein Medical Center, Philadelphia and Michigan State University/Ohio University
Internal Medicine: Rheumatology
Touro University Medical Group Stockton

Sanjeev Goswami, MD
Residency: Northeastern Ohio Universities College of Medicine, Youngstown
Fellowship: Brown University and University of Texas Medical Branch, Galveston
Internal Medicine-Critical Care Medicine
St. Joseph’s Medical Center

Tarandeep Kaur, MD
Residency: Akron General Medical Center Cleveland Clinic
Fellowship: University of Kansas Medical Center
Internal Medicine-Endocrinology, Diabetes & Metabolism
Dignity Health Medical Group-Stockton

Ajithkumar Puthillath, MD
Residency: Michigan State University, Flint / McLaren Regional Medical Center
Fellowship: State University of New York (SUNY), Buffalo / Roswell Park Cancer Institute
Internal Medicine-Oncology
Stockton Hematology Oncology Medical Group

David Russell, DO
Residency: Philadelphia College of Osteopathic Medicine
Obstetrics and Gynecology
Gill Obstetrics and Gynecology Medical Group Inc.

P. Babu Sagireddy, MD
Residency: University of Illinois, Chicago, IL
Fellowship: University of Texas Health Science Center, San Antonio, TX
Internal Medicine-Nephrology
San Joaquin Kidney Clinic, Inc.