The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me in Danville, PA

Find the Top Secondary Immunodeficiency (SID) Experts and Specialists

The 20 Best Secondary Immunodeficiency (SID) Doctors near Danville, PA

Last Updated: 02/22/2026

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MediFind found 8 doctor with experience in Secondary Immunodeficiency (SID) near Danville, PA. Of these, 5 are Experienced and 3 are Distinguished.

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8 providers found
    Catherine T. Shoff
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine | Sleep Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine | Sleep Medicine

    Geisinger Medical Center - Sleep Disorders

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Shoff is a board-certified and fellowship-trained specialist in pulmonary, critical care and sleep medicine. She subspecializes in cystic fibrosis. Her clinical interests include cystic fibrosis, bronchiectasis, pulmonary hypertension and medical leadership. Dr. Shoff attended Rowan University, where she received her medical degree, and completed her residency and her fellowship in pulmonary, critical care and sleep medicine at Wilford Hall USAF Medical Center. Dr. Shoff is certified by the American Board of Internal Medicine in pulmonary disease, critical care and sleep medicine. Dr. Shoff is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Newborn Jaundice, and Lung Metastases.

    Jason A. Stamm
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine

    GMC Critical Care Medicine

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English

    Dr. Stamm is a board-certified and fellowship-trained specialist in pulmonary and critical care medicine. His clinical interests include critical care, extracorporeal membrane oxygenation, pulmonary embolism, cystic fibrosis and medical leadership. His research interests include pulmonary embolism and cystic fibrosis. Dr. Stamm attended The Pennsylvania State University, where he earned his medical degree, and completed his residency at Wilford Hall Medical Center, Lackland Air Force Base, in San Antonio, Texas. He completed a fellowship in pulmonary and critical care at the University of Pittsburgh Medical Center in Pittsburgh. Dr. Stamm is certified by the American Board of Internal Medicine in critical care medicine and pulmonary disease. Dr. Stamm 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, Transmyocardial Revascularization, and Stent Placement.

    Jodie A. Reider
    Distinguished in Secondary Immunodeficiency (SID)
    Endocrinology
    Distinguished in Secondary Immunodeficiency (SID)
    Endocrinology

    Geisinger Medical Center - Endocrinology

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Reider is a board-certified and fellowship-trained endocrinologist. Her clinical interests include diabetes, women’s health, thyroid and parathyroid disorders, cystic fibrosis, and obesity. Her research interests include diabetes, patient safety, and medical education. Dr. Reider attended medical school at the University of Pittsburgh, where she earned her Doctor of Medicine degree. She then completed her residency in internal medicine and a fellowship in endocrinology, diabetes and metabolism at the University of Pittsburgh Medical Center. Dr. Reider is certified by the American Board of Internal Medicine in endocrinology, diabetes and metabolism. Dr. Reider is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Thyroid Cancer, Anaplastic Thyroid Cancer, Secondary Immunodeficiency (SID), and Diabetic Nephropathy.

    Learn about our expert tiers
    Kevin F. Ferguson
    Experienced in Secondary Immunodeficiency (SID)
    Pediatrics | Pediatric Pulmonology
    Experienced in Secondary Immunodeficiency (SID)
    Pediatrics | Pediatric Pulmonology

    Geisinger Medical Center - Pediatric Pulmonary

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Ferguson, MD, is a pediatric pulmonologist who specializes in the diagnosis and treatment of conditions affecting the respiratory system — like asthma, cystic fibrosis and chronic lung disease — in infants, children and adolescents.|Dr. Ferguson’s clinical expertise includes assessing and managing asthma. He’s also interested in caring for patients who have cystic fibrosis, neuromuscular disorders and those who require increased respiratory support to breathe better and protect their lungs.|Dr. Ferguson was a general pediatrician for 15 years prior to completing his advanced training in pediatric pulmonology at Westchester Medical Center in New York — a career path that continues to influence how he provides care.|“I still take that holistic approach,” he says, adding that he feels fortunate to have the opportunity to provide specialty care for children who need it. “It is a basic but inspiring job to help people breathe easier.”|Dr. Ferguson grew up in Long Island, New York, and came to Pennsylvania to attend medical school. After completing medical training at Geisinger, he decided to return here to team up with former classmate and Pediatric Pulmonology Program Director Jonathan Spahr, MD.|“It’s been and honor and pleasure to come back and work with Dr. Spahr,” he adds.|Dr. Ferguson lives in Danville with his wife, and they enjoy running, hiking, biking and visiting with family. Dr. Ferguson is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, and Newborn Jaundice.

    Thomas P. Olenginski
    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Geisinger Medical Center - Rheumatology

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Olenginski is a board-certified and fellowship-trained rheumatologist. Within general rheumatology, his clinical interests include rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, vasculitis and gout/pseudogout. He has a special interest in osteoporosis, especially post-fracture care. His research interests include osteoporosis, post-fracture care and general rheumatology. Dr. Olenginski attended The Pennsylvania State University, where he received his medical degree. He completed his residency and a fellowship in rheumatology at Geisinger Medical Center. Dr. Olenginski is certified by the American Board of Internal Medicine in internal medicine and rheumatology. He is an ISCD-certified clinical densitometrist.|Outside of work, Dr. Olenginski enjoys golfing and traveling, especially to St. Thomas and to Tennessee for an annual golf vacation. This native of Glen Lyon, Pa., is a father of two grown sons and lives in Lewisburg with his wife and two cats, where he is an active PIAA basketball official. Dr. Olenginski is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Polyarteritis Nodosa, and Rheumatoid Arthritis (RA).

    Vasanthi Pugazhendhi
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology

    Geisinger Medical Center - Pediatric Pulmonary

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English, Hindi, Tamil
    Accepting New Patients

    Dr. Pugazhendhi is a board-certified and fellowship-trained specialist in pediatric pulmonary medicine. Her clinical interests include cystic fibrosis, asthma and chronic lung disease. Dr. Pugazhendhi earned her medical degree from Madurai Medical College in India. She then moved to the United States to complete her residency and fellowship in pediatric pulmonology at the State University of New York, University Hospital of Brooklyn. Dr. Pugazhendhi is certified by the American Board of Pediatrics in pediatric pulmonology. She speaks English, Hindi and Tamil. Dr. Pugazhendhi is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis and Secondary Immunodeficiency (SID).

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    GMC General Diagnostic Radiology

    100 North Academy Avenue, 
    Danville, PA 
     (0.5 miles away)
    Languages Spoken:
    English

    Dr. Chudow is a board-certified and fellowship-trained radiologist. She earned her medical degree from New York University, and completed her residency at North Shore University Hospital. She completed her fellowship at New York University Medical Center. Dr. Chudow is certified by the American Board of Radiology. Dr. Chudow is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Lung Nodules, Visceromegaly, Muscle Invasive Bladder Cancer, and Chronic Cough.

    Experienced in Secondary Immunodeficiency (SID)
    Pediatrics | Internal Medicine
    Experienced in Secondary Immunodeficiency (SID)
    Pediatrics | Internal Medicine

    Geisinger Danville - General Internal Medicine

    35 Justin Drive, Floor 4, 
    Danville, PA 
     (2.5 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dr. Davis is a board-certified internal medicine physician and pediatrician. He attended Drexel University College of Medicine, where he earned his medical degree. He completed his residency at Geisinger Medical Center. Dr. Davis is certified by the American Board of Internal Medicine and the American Board of Pediatrics.|In his free time, Dr. Davis enjoys spending time with his family. This native of Philadelphia continues to root for Philadelphia professional sports teams. Dr. Davis is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Zika Virus Disease, Microcephaly with Spastic Quadriplegia, Galloway-Mowat Syndrome, and Autosomal Recessive Primary Microcephaly.

    Showing 1-8 of 8

    Last Updated: 02/22/2026

    When should I see a Secondary Immunodeficiency (SID) doctor near Danville, PA?

    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 near Danville, PA?

    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 near Danville, PA?

    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 near Danville, PA?

    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 near Danville, PA?

    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 near Danville, PA?

    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 near Danville, PA?

    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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