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Our Physicians/NPs

Meet our Doctors

Dr. James Coggan, D.O.

Hometown: San Jose, CA

College: Seattle Pacific University

Medical School: Midwestern University-Chicago College of Osteopathic Medicine. Downers Grove, IL

Residency and Fellowship: Rush University Medical Center. Chicago, IL

Office Locations: Kearny Mesa (Main Office)

I see all types blood disorders and malignancies but I have particular interests in: Prostate Cancer and other Genitourinary (GU) Cancers, Lymphoma, Lung Cancer

Hobbies: Soccer, trying new restaurants, travelling, and spending with my wife and daughter

Mission statement: “The most rewarding aspect of the practice of oncology and hematology is the opportunity to build impactful and long-lasting relationships with patients and their loved ones. My goal is to provide compassionate and personalized care to each patient, and to guide them and their families through their cancer journey.

Dr. Jennifer M. Fisher, M.D.

Hometown: Green Bay, Wisconsin

College: University of Wisconsin- Madison

Medical School: University of Minnesota at Minneapolis

Residency and Fellowship: UCSD

Awards: Alpha Omega Alpha (AOA) Medical Honor Society, San Diego Magazine Top Doctor Award (multiple years)

Office Locations: Kearny Mesa, Hillcrest

I see all types blood disorders and malignancies but I have particular interests in: breast and other solid tumors such as gynecologic, lung and GI.

Hobbies: In my spare time I enjoy spending time with my two rambunctious boys and husband, reading, hiking, cycling, fine dining as well as travelling

Mission statement: “I enjoy the practice of Medical Oncology and Hematology because it combines cutting-edge science with the humanity of medicine. I particularly appreciate the ability to form deep relationships with patients and families while navigating them through cancer diagnosis and treatment. I strive to offer personalized care to each patient I see.

Dr. Steven Kossman, M.D.

Hometown: San Diego, CA

College: University of California, Riverside, Bachelors of Science in Biology

Medical School: Tulane University Medical School

Internship and Residency: Vanderbilt University Medical School

Medical Oncology & Hematology Fellowships: Memorial Sloan-Kettering Cancer Center, Cornell New York Hospital

Awards: UCR Honors Research Award “Rotational Mobility of the Epidermal Growth Factor Receptor”; Mortimer-Lacher Oncology Fellowship Award; San Diego Padres Research Award; San Diego Magazine Top Doctor Award 2006 – 2023 (17 years).

Office Locations: Kearny Mesa(Main Office) and La Mesa

I see all types blood disorders and malignancies but I have particular interests in: Head & Neck Cancers, Lung Cancers, and Breast Cancers.

Hobbies: I have horses and enjoy working cattle and cow cutting; Vintage vehicles; Music; Reading; Exercise; Hiking; Fishing; Camping; and best of all, spending time with my amazing family

Mission statement: “I have followed in my father’s footsteps as an oncologist.  In so doing, I am carrying on his tradition of being the most sympathetic physician possible.  I strive to spend time and listen deeply to my patients in order to provide the best quality of care.  I believe in a collaborative approach with my patients, such that our treatment plan meets their objectives, and follows the best quality-of-life, and state-of-the-art-advanced oncology therapy available.  This includes conventional therapeutics, novel targeted therapy, and clinical trials.

Dr. Charles Redfern, M.D.

Hometown: San Diego

College: U.C. Berkeley

Medical School: The Johns Hopkins School of Medicine

Residency and Fellowship: The Johns Hopkins School of Medicine

Fellowship: U.C. San Francisco

Directorship: Medical Director, Laurel Amtower Cancer Institute and Neuro-Oncology Center

Office Locations: Kearny Mesa(Main Office) and Coronado

I see all types blood disorders and malignancies but I have particular interests in: Brain Tumors and Lung Cancer.

Hobbies: I enjoy playing tennis and seeing my amazing family

Mission statement: “I strive to take care of my patients the way I would take care of all my family members.

Dr. Kristen Rice, M.D.

Hometown: Manhattan, KS

College: University of Kansas

Medical School: University of Colorado

Residency and Fellowship: University of California San Diego

Graduate Certificate in Palliative Care: University of Washington

Office Locations: Kearny Mesa(Main Office) and La Mesa

I see all types blood disorders and malignancies but I have particular interests in: melanoma and other advanced skin cancers, cancers of the upper gastrointestinal tract including the liver and pancreas.

Hobbies: sailing, running, and anything outdoors

Mission statement: “I believe that truly great cancer is care is about much more than just choosing the right chemotherapy regimen. I want to understand my patients’ goals and wishes so that together we can develop a treatment plan that aligns with those goals. Providing relief from the pain, symptoms, and stress caused by the cancer is just as important as treating the cancer itself.

Dr. Fred Saleh, M.D.

Hometown: Montreal Quebec

College: McGill, University, Montreal

Medical School: Albany, medical College, Albany, New York

Residency: Albany, Medical Center Hospital

Fellowship: University of California, San Diego

Awards: AOA medical honor Society, San Diego magazine top doctor award, Sharp community medical group excellence in patient experience a Top specialty care physician 2023.

Office Locations: Kearny Mesa(Main Office)

I see all types blood disorders and malignancies but I have particular interests in: breast, cancer and lymphoma

Hobbies: hiking, tennis, traveling

Mission statement: “I expect to pass through this world but once. Any good therefore that I can do, or any kindness that I can show to my fellow-human beings, let me do it now. Let me not defer or neglect it, for I shall not pass this way again.” -Stephen Grellet

Dr. Casie S. Shenoy, M. D.

Hometown: Great Falls, Mt

College: Carrol College

Medical School: University of Nevada School of Medicine

Residency and Fellowship: IM University of California Davis, Scripps Clinic

Office Locations: Kearny Mesa(Main Office), Coronado, La Mesa, and Hillcrest

I see all types blood disorders and malignancies but I have particular interests in: Gastrointestinal Cancer, Breast Cancer and Myeloma

Hobbies: As a parent to two little guys and full-time physician, my free time is limited but I enjoy traveling and dining experiences.

Mission statement: “I strive to provide the care that I would want for my own family and friends with empathy and respect always at the center of my doctor-patient relationships.

Dr. Marie Shieh, M.D.

Hometown: Clovis, California (“Gateway to the Sierras”)

College: Massachusetts Institute of Technology

Medical School: Virginia Commonwealth University School of Medicine

Residency and Fellowship: Scripps Clinic and Scripps Green, University of California Irvine

Office Locations: Kearny Mesa(Main Office) and Hillcrest

I see all types blood disorders and malignancies but I have particular interests in: Lung, Colon, Lymphoma

Hobbies: Travel, reading, Pilates, Training my rescue dog Cooper to become a therapy dog

Mission statement: “I see medicine as the interface between humanities and science; it has been the best of both worlds for me. I strive to provide thoughtful, compassionate, and comprehensive care to all my patients.

Dr. Heather Tracy, M.D.

Hometown: child of the US Navy – Connecticut, Hawaii, Washington, Virginia, Washington DC

College: : University of Michigan

Medical School: Louisiana State University Health Sciences Center, Shreveport

Residency and Fellowship: Naval Medical Center San Diego / US Navy and Scripps Green Clinic and Hospital, La Jolla

Awards: CAPT Patricia V Pepper Female Leadership Award (American College of Physicians, Navy Chapter), Fellow American College of Physicians, Master Clinician Naval Medical Center San Diego, CAPT George Luiken Award for Excellence in caring, compassion, and dedication to patient care, CAPT Colleen Coullahan Award for Excellence in clinical teaching, Resident of the Year (American College of Physicians Navy Chapter), Internal Medicine Intern of the Year Naval Medical Center San Diego, Alpha Omega Alpha Medical Honor Society

Office Locations: Kearny Mesa(Main Office), Coronado, La Mesa, and Hillcrest

I see all types blood disorders and malignancies but I have particular interests in: Gastrointestinal Cancers, Lung Cancers, and Breast Cancers

Hobbies: Exercise, Hiking with my two sweet Doberman pups, Skiing, Traveling, Partaking in new adventures, Spending time with my family

Mission statement: “I am blessed and honored to be a medical Oncologist. My patients are my family, and the journey we take together. I value the deep connections and bringing hope and positivity to a very challenging time in my patients’ lives. My focus is on patient-centered care and personalized medicine, guiding my patients on the best treatment options available, educating my patients on cutting edge data and developments, and focusing on my patients’ individual goals and needs.”

Meet our Nurse Practitioners

Monica Stuhlmiller MSN, FNP, OCN

Hometown: Born in Romania but have resided in Southern California for most of my life

College: RN, BSN received from Azusa Pacific University in 2004, MSN

NP School: FNP received from Azusa Pacific University in 2022

Office Locations: Kearny Mesa(Main Office)

I see all types blood disorders and malignancies but I have particular interests in: breast cancer and most solid tumors

Hobbies: cheering on my 3 kids in their various sports, going on motorcycle rides with my husband & spending time at the beach

Mission statement: “I have loved being able to work in oncology these past 19 years. My passion and love for this specialty is driven by the ability to connect with my patients. My goal is to provide excellent care to all my patients and to improve their journey through cancer in any way I can.

Lisa L. Obregon, MSN, NP-C. OCN

Hometown: Fremont, Ohio

College: Bowling Green State University, Ohio

NP School: San Diego State University, California

Office Locations: Kearny Mesa(Main Office)

I see all types blood disorders and malignancies but I have particular interests in: helping those going through systemic therapy manage side effects and understand their diagnosis and therapies at every stage of treatment.

Hobbies: spending time with family and friends and listening to live music.

Mission statement: “I work hard to be a compassionate listener and knowledgeable and proficient caregiver for our patients and families throughout the continuum of their care. My goal is to help them achieve their goals and understand their options. I am fortunate as I have found the physicians in MOASD to be supportive and active partners in this goal which allows us all to care for our patients the way they deserve to be cared for. We also have a fabulous nursing staff as well as medical assistants and administrative staff that work equally as diligently to support and care for our patients. While not always easy, it is always a pleasure and privilege to be a part of this team and an honor to provide care to our patients.