The 20 Best Malnutrition Doctors Near Me in San Marcos, CA

Find the Top Malnutrition Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 73 doctor with experience in Malnutrition near San Marcos, CA. Of these, 63 are Experienced, 9 are Advanced and 1 are Distinguished.

Location
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73 providers found
    Experienced in Malnutrition
    General Surgery
    Experienced in Malnutrition
    General Surgery
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kevin El-Hayek is a General Surgeon practicing medicine in San Marcos, California. Dr. El-Hayek is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Median Arcuate Ligament Syndrome (MALS), Acute Pancreatitis, Gastroparesis, Pancreatectomy, and Endoscopy. Dr. El-Hayek is currently accepting new patients.

    Distinguished in Malnutrition
    Internal Medicine
    Distinguished in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Ji Park is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Park is rated as a Distinguished provider by MediFind in the treatment of Malnutrition. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Malnutrition, Gastrointestinal Fistula, Ogilvie Syndrome, and Short Bowel Syndrome.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    John H. Clancy, Do And Tara Leigh Clancy Do Medical Corporation

    2375 S Melrose Dr, 
    Vista, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Clancy is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Clancy is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Fifth Disease, Diabetic Neuropathy, Herpetic Stomatitis, and Gingivostomatitis. Dr. Clancy is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Malnutrition
    General Surgery
    Advanced in Malnutrition
    General Surgery
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anil Vaidya is a General Surgeon practicing medicine in San Marcos, California. Dr. Vaidya is rated as an Advanced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Malnutrition, Short Bowel Syndrome, Gastrointestinal Fistula, Pancreas Transplant, and Nephrectomy. Dr. Vaidya is currently accepting new patients.

    Advanced in Malnutrition
    Internal Medicine
    Advanced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kunzah Syed is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Syed is rated as an Advanced provider by MediFind in the treatment of Malnutrition. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Malnutrition, Gastrointestinal Fistula, Splenic Infarction, Hepato-Pancreato-Biliary Surgery, and Lithotripsy.

    Advanced in Malnutrition
    Internal Medicine
    Advanced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Lora Sowunmi is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Sowunmi is rated as an Advanced provider by MediFind in the treatment of Malnutrition. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Malnutrition, Autosomal Recessive Primary Microcephaly, Microcephaly with Spastic Quadriplegia, Endoscopy, and Colonoscopy.

    Advanced in Malnutrition
    General Surgery
    Advanced in Malnutrition
    General Surgery
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Andrew Strong is a General Surgeon practicing medicine in San Marcos, California. Dr. Strong is rated as an Advanced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Gastroparesis, Hiatal Hernia, Hernia, Gastrectomy, and Gastric Bypass. Dr. Strong is currently accepting new patients.

    Experienced in Malnutrition
    Gastroenterology
    Experienced in Malnutrition
    Gastroenterology
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Mohamed Siddiqui is a Gastroenterologist practicing medicine in San Marcos, California. Dr. Siddiqui is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastrointestinal Fistula, Malnutrition, Bile Duct Stricture, and Short Bowel Syndrome.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Umang Singhal is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Singhal is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His clinical expertise encompasses Malnutrition, Saddle Pulmonary Embolism, Pulmonary Edema, Colonoscopy, and Bone Marrow Aspiration.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Swati Thakur is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Thakur is rated as an Experienced provider by MediFind in the treatment of Malnutrition. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Orthostatic Hypotension, Low Blood Pressure, Pulmonary Edema, Endoscopy, and Gastrostomy.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Vardhmaan Jain is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Jain is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Pericarditis, Coronary Heart Disease, Constrictive Pericarditis, Pacemaker Implantation, and Transcatheter Aortic Valve Replacement (TAVR).

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lauryn Benninger is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Benninger is rated as an Experienced provider by MediFind in the treatment of Malnutrition. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Bronchiectasis, Cystic Fibrosis, Nontuberculous Mycobacterial Lung Disease, Allergic Bronchopulmonary Aspergillosis, and Lung Transplant. Dr. Benninger is currently accepting new patients.

    Experienced in Malnutrition
    Experienced in Malnutrition
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Carlos Simons-Linares is a Gastroenterologist practicing medicine in San Marcos, California. Dr. Simons-Linares is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Hereditary Pancreatitis, Cholecystitis, Gastric Bypass, and Endoscopy. Dr. Simons-Linares is currently accepting new patients.

    Experienced in Malnutrition
    Experienced in Malnutrition
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jason Sherman is a Pediatrics provider practicing medicine in San Marcos, California. Dr. Sherman is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His clinical expertise encompasses Developmental Dysphasia Familial, Delayed Growth, Increased Head Circumference, and Croup. Dr. Sherman is currently accepting new patients.

    Experienced in Malnutrition
    Experienced in Malnutrition
    Referral may be required

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Siuba is a Pediatrics provider practicing medicine in San Marcos, California. Dr. Siuba is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Pulmonary Hypertension, Liver Failure, Saddle Pulmonary Embolism, and Gastrointestinal Bleeding. Dr. Siuba is currently accepting new patients.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Austin Griffin is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Griffin is rated as an Experienced provider by MediFind in the treatment of Malnutrition. His clinical expertise encompasses Malnutrition.

    Experienced in Malnutrition
    Experienced in Malnutrition
    Referral may be required

    San Marcos Medical Offices

    400 Craven Road, 
    San Marcos, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Caitlin Dockweiler is a Geriatrics provider practicing medicine in San Marcos, California. Dr. Dockweiler is rated as an Experienced provider by MediFind in the treatment of Malnutrition. Her clinical expertise encompasses Malnutrition. Dr. Dockweiler is currently accepting new patients.

    Experienced in Malnutrition
    Family Medicine
    Experienced in Malnutrition
    Family Medicine

    Office

    420 N Twin Oaks Valley Rd # 2352, 
    San Marcos, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Richard Zachrich is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Zachrich is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hyperlipidemia Type 3, Anemia, and Chronic Cough.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Joseph F. Czvik, Integrity Internal Medicine

    1635 Lake San Marcos Dr, 
    San Marcos, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Joseph Czvik is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Czvik is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, Hyperaldosteronism, and Obesity Hypoventilation Syndrome (OHS). Dr. Czvik is board certified in American Board Of Internal Medicine.

    Experienced in Malnutrition
    Internal Medicine
    Experienced in Malnutrition
    Internal Medicine

    Palomar Medical Center Laboratory

    2185 Citracado Pkwy, 
    Escondido, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Afshin Nahavandi is a primary care provider, practicing in Internal Medicine in Escondido, California. Dr. Nahavandi is rated as an Experienced provider by MediFind in the treatment of Malnutrition. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Neurotoxicity Syndromes, Sepsis, Stroke, Gastrostomy, and Endoscopy.

    Showing 1-20 of 73

    Last Updated: 09/26/2026

    What is the definition of Malnutrition?

    Malnutrition is the condition that occurs when your body does not get enough nutrients.

    When should I see a Malnutrition doctor near San Marcos, CA?

    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 Malnutrition doctor near San Marcos, CA?

    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 Malnutrition doctors near San Marcos, CA?

    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 Malnutrition doctors near San Marcos, CA?

    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 Malnutrition doctor near San Marcos, CA?

    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 Malnutrition doctor search results page. 

    Why is it important to get a second opinion from a different Malnutrition 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 Malnutrition doctor near San Marcos, CA?

    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 Malnutrition 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 Malnutrition 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 Malnutrition doctors near San Marcos, CA?

    Look for the filter feature on the left side of the Malnutrition 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 Malnutrition doctor that offers video calls?

    Look for the filter feature on the left-side of the Malnutrition 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 

    Read more about our Content Policy. 

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