The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me in California, US

Find the Top Secondary Immunodeficiency (SID) Experts and Specialists

The 20 Best Secondary Immunodeficiency (SID) Doctors in California, US

Last Updated: 02/22/2026

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MediFind found 191 doctor with experience in Secondary Immunodeficiency (SID) near California, US. Of these, 154 are Experienced, 29 are Advanced and 8 are Distinguished.

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191 providers found
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Office

    1510 San Pablo St Ste 500, 
    Los Angeles, CA 
    Languages Spoken:
    English

    Adupa Rao is an Intensive Care Medicine provider in Los Angeles, California. Dr. Rao is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Allergic Bronchopulmonary Aspergillosis, and Lung Transplant.

    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    UCLA Health Santa Monica Surgery

    1223 16th St Ste 3400, 
    Santa Monica, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Patricia Eshaghian is an Intensive Care Medicine provider in Santa Monica, California. Dr. Eshaghian is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Bronchiectasis.

    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
    Languages Spoken:
    English

    Gundeep Dhillon is an Intensive Care Medicine provider in Stanford, California. Dr. Dhillon is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Acute Interstitial Pneumonia, Hypersensitivity Pneumonitis, Lung Transplant, and Gastrostomy.

    Learn about our expert tiers
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
    Languages Spoken:
    English

    Laveena Chhatwani is an Intensive Care Medicine provider in Palo Alto, California. Dr. Chhatwani is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Bronchogenic Cyst, Idiopathic Pulmonary Fibrosis, and Lung Transplant.

    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
    Languages Spoken:
    English

    Paul Mohabir is an Intensive Care Medicine provider in Stanford, California. Dr. Mohabir is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Acute Interstitial Pneumonia, and Lung Transplant.

    Jonathan Budzik
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    Lung Health Center At Parnassus

    400 Parnassus Ave., Sixth Floor, Room A6114, 
    San Francisco, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Jonathan Budzik is a pulmonologist who cares for adults with cystic fibrosis. He also treats adults with a wide variety of lung disorders through the San Francisco Veterans Affairs Health Care System. His goal is to provide the highest level of care possible while enabling his patients to improve their respiratory health and lead fulfilling lives. Budzik's research is focused on understanding immune responses to mycobacterial pulmonary infections and how the diseases develop at the molecular level. After earning a master of science degree in human anatomy and genetics at the University of Oxford, Budzik earned his doctoral degree in biological sciences at the University of Chicago. He earned his medical degree at the University of Chicago's Pritzker School of Medicine. He completed a residency in internal medicine and a fellowship in pulmonary and critical care medicine at UCSF. In his free time, Budzik enjoys playing the piano. Dr. Budzik is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Cholesterol Pneumonia.

    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine
    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine

    Regents Of The University Of California

    400 Parnassus Ave, 
    San Francisco, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Rupal Shah is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in San Francisco, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Hypersensitivity Pneumonitis, Acute Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, and Interstitial Lung Disease.

    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    Regents Of The University Of California

    200 W Arbor Dr, 
    San Diego, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Timothy Morris is a Pulmonary Medicine provider in San Diego, California. Dr. Morris is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Lung Metastases, Gastrostomy, and Endoscopy.

    Distinguished in Secondary Immunodeficiency (SID)
    Nurse Practitioner
    Distinguished in Secondary Immunodeficiency (SID)
    Nurse Practitioner

    UC San Diego Health

    200 W Arbor Dr # 8765, 
    San Diego, CA 
    Languages Spoken:
    English

    Abigail Vera is a Nurse Practitioner in San Diego, California. Ms. Vera is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top area of expertise is Secondary Immunodeficiency (SID).

    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine

    Scripps Health Inpatient Providers Medical Group Inc

    4077 5th Ave, 
    San Diego, CA 
    Experience:
    18+ years
    Languages Spoken:
    English

    Dina Bates is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in San Diego, California. Dr. Bates has been practicing medicine for over 18 years and is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Acute Respiratory Distress Syndrome (ARDS), and Gastrostomy.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    UC San Diego

    200 W Arbor Dr, 
    San Diego, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Barry is an Intensive Care Medicine provider in San Diego, California. Dr. Barry is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Bronchiectasis.

    Advanced in Secondary Immunodeficiency (SID)
    Endocrinology
    Advanced in Secondary Immunodeficiency (SID)
    Endocrinology

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Tracey Mclaughlin is an Endocrinologist in Stanford, California. Dr. Mclaughlin is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Low Blood Sugar, Type 2 Diabetes (T2D), Secondary Immunodeficiency (SID), Gastric Bypass, and Gastrostomy.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Southern California Pulmonary & Critical Care Associates Inc.

    1511 W Glenoaks Blvd, 
    Glendale, CA 
    Languages Spoken:
    English

    Ramyar Mahdavi is an Intensive Care Medicine provider in Glendale, California. Dr. Mahdavi is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Lymphofollicular Hyperplasia, Small Cell Lung Cancer (SCLC), Squamous Cell Lung Carcinoma, Endoscopy, and Gastrostomy.

    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    Santa Barbara Pulmonary Associates Inc.

    2403 Castillo St Ste 206, 
    Santa Barbara, CA 
    Languages Spoken:
    English

    Richard Belkin is a Pulmonary Medicine provider in Santa Barbara, California. Dr. Belkin is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Bronchiectasis, Pleurisy, Cystic Fibrosis, and Pleural Effusion.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    University Of California Davis

    2825 J St Ste 400, 
    Sacramento, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Brian Morrissey is an Intensive Care Medicine provider in Sacramento, California. Dr. Morrissey is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Bronchiectasis, Acute Interstitial Pneumonia, Lung Metastases, and Endoscopy.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Office

    1510 San Pablo St Fl 5, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Peter Chung is an Intensive Care Medicine provider in Los Angeles, California. Dr. Chung is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Aspergillosis.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joshua Mooney is an Intensive Care Medicine provider in Palo Alto, California. Dr. Mooney has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, Acute Interstitial Pneumonia, Interstitial Lung Disease, and Lung Transplant.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Office

    200 UCLA Medical Plz Ste 365B, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    David Sayah is an Intensive Care Medicine provider in Los Angeles, California. Dr. Sayah is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Hypersensitivity Pneumonitis, Acute Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, and Lung Transplant.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    UC San Diego

    200 W Arbor Dr, 
    San Diego, CA 
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jeremy Orr is an Intensive Care Medicine provider in San Diego, California. Dr. Orr has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Cerebral Hypoxia, Lung Metastases, and Gastrostomy.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    Office

    1145 Gayley Ave Ste 301, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Grant Turner is an Intensive Care Medicine provider in Los Angeles, California. Dr. Turner is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Cerebral Hypoxia, and Lung Transplant.

    Showing 1-20 of 191

    Last Updated: 02/22/2026

    When should I see a Secondary Immunodeficiency (SID) doctor in California, US?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Secondary Immunodeficiency (SID) doctor in California, US?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Secondary Immunodeficiency (SID) doctors in California, US?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Secondary Immunodeficiency (SID) doctors in California, US?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Secondary Immunodeficiency (SID) doctor in California, US?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Secondary Immunodeficiency (SID) doctor search results page. 

    Why is it important to get a second opinion from a different Secondary Immunodeficiency (SID) doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Secondary Immunodeficiency (SID) doctor in California, US?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Secondary Immunodeficiency (SID) doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Secondary Immunodeficiency (SID) doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Secondary Immunodeficiency (SID) doctors in California, US?

    Look for the filter feature on the left side of the Secondary Immunodeficiency (SID) doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Secondary Immunodeficiency (SID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Secondary Immunodeficiency (SID) doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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