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Faculty

Arash Heidari, MD, FACP, FIDSA

Program Director
Infectious Disease
Bakersfield Memorial Hospital and Dignity Health Foundation of Bakersfield

  • Medical School: Azad University Tehran, Iran
  • Residency: Kern Medical Center
  • Fellowship: Infectious Disease, Cedars-Sinai/UCLA Multicampus Program
  • Clinical Interests: Understanding the pathophysiology of complicated internal medicine cases and discovering the correlation of comorbidities. Known for expertise in coccidioidomycosis and have pursued this fungus for decades.
  • Fun Facts/Interests: I enjoy family time, basketball, sightseeing, music, dancing, and topics in astrophysics and mechanical engineering.
     

Nosheen Hasan, MD

Associate Program Director
Internal Medicine
Inpatient Hospital Medicine

  • Medical School: American University of Caribbean, St. Maarten
  • Residency: Kern Medical Center, served as Chief Resident 3rd year
  • Clinical Interests: Inpatient Medicine and QI Projects
  • Fun Facts/Interests: Love traveling, have been to over 15 countries and counting. Love trying different cuisines and eating at fine culinary restaurants. Recently became a mother- so learning to navigate motherhood has been the most recent challenge!
     

Harsukh Dhillon, MD

Core Faculty
Internal Medicine
Inpatient Hospital Medicine

  • Medical School: China Medical University, Shenyang
  • Residency: Michigan State University/Hurley Medical Center (PGY1-3)
  • Fun Facts/Interests: Grew up in Bakersfield, completed my medical training and decided to move back to serve the local community. I enjoy traveling, exploring different cultures and histories during my time off. 
     

Marsha Cheng, MD

Core Faculty, Outpatient Clinica Sierra Vista Site Director
Primary Care Provider, Internal Medicine
Outpatient Clinica Sierra Vista (Large FQHC in California)

  • Medical School: Keck School of Medicine at USC
  • Residency: Olive View-UCLA
  • Clinical Interests: Medical education and clinical informatics
  • Fun Facts/Interests: California native, born and raised in Los Angeles and completing all of her training in Los Angeles. In her free time, she likes baking and trying out new recipes and spending time with family. 
     

Akhil Puskoor, MD

Core Faculty
Internal Medicine
Inpatient Hospital Medicine

  • Medical School: MediCiti Institute of Medical Sciences
  • Residency: Loyola MacNeal Hospital
  • Clinical Interests: Hospital Medicine, Quality Assurance & Utilization management. 
  • Fun Facts/Interests: The word doctor is derived from the Latin verb “docere” meaning "to teach" and this has always been something I enjoy. I enjoy playing Cricket, trying new foods, and spending time with my wife and daughters.
     

Albert Peinado, MD

Core Faculty
Primary Care Provider, Internal Medicine
Dignity Health Medical Group

  • Medical School: USC School of Medicine
  • Residency: Los Angeles County-USC Medical Center
  • Clinical Interests: Primary disease prevention and health care maintenance.
  • Fun Facts/Interests: Enjoys teaching the next generation of physicians.
     

Muhammad Ashraf Alim, MD

Core Faculty
Internal Medicine, Critical Care, Pulmonary, Sleep Medicine

  • Medical School: Dow Medical College University of Karachi
  • Residency: Wayne University School of Medicine/Detroit Medical Center
  • Fellowships: Pulmonary, Critical Care, Sleep Disorder, UCLA Medical Center, Los Angeles
  • Clinical Interests: Pulmonary hypertension, sleep disorders
  • Fun Facts/Interests: Traveling
     

Ramanjeet Sidhu, MD

Core Faculty
Internal Medicine
Inpatient Hospital Medicine

  • Medical School: Government Medical College, Patiala, Punjab, India
  • Residency: Kern Medical Center
  • Clinical Interests: Hospital Medicine
  • Fun Facts/Interests: I would love to travel a lot more than I have done yet. I like to fix things around the house myself or anything that intrigues me.
     

Greti Petersen, MD, FACP

Core Faculty
Internal Medicine
Clinica Sierra Vista (Comprehensive Care Center) FQHC

  • Medical School: Romania, Faculty of Medicine University of Medicine and Pharmacy of Craiova
  • Residency: Kern Medical Center
  • Clinical Interests: I have always been interested in medical education, in teaching new generations of internists and excited to join a new program that will address the community needs in providing more exceptionally trained physicians to take care of our community. I have spent all my professional life in graduate medical education, caring for vulnerable populations in inpatient and outpatient internal medicine and obesity medicine (diplomate in Obesity Medicine since 2023).
  • Fun Facts/Interests: Traveling, avid reader, spending time with family and friends (some of them being my former residents), volunteering

More About Our Internal Residency Program

To discover more information about our program, meet our faculty and residents and learn how to apply, please visit any of the following pages: