The 20 Best Protein Deficiency Doctors Near Me in upland, CA

Find the Top Protein Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 65 doctor with experience in Protein Deficiency near upland, CA. Of these, 62 are Experienced and 3 are Advanced.

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65 providers found
    Experienced in Protein Deficiency
    General Surgery
    Experienced in Protein Deficiency
    General Surgery
    Referral required

    Upland Surgical Associates

    510 N 13th Ave, 
    Upland, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bryce Beseth is a General Surgeon practicing medicine in Upland, California. Dr. Beseth is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Gangrene, Choledocholithiasis, Necrosis, Hernia Surgery, and Colostomy. Dr. Beseth is board certified in American Board Of Surgery. Dr. Beseth is currently accepting new patients.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    Grove Internal Medicine, Inc.

    8283 Grove Ave, 
    Rancho Cucamonga, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sean To is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. To is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Hypertension. Dr. To is currently accepting new patients.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine

    Fagan, John A. Family Practice, Inc.

    10787 Laurel St, 
    Rancho Cucamonga, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Fagan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Fagan is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Fagan is board certified in American Board Of Family Medicine. Dr. Fagan is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Protein Deficiency
    Experienced in Protein Deficiency
    Referral may be required

    City Of Hope Upland

    1100 San Bernardino Rd Ste 1100, 
    Upland, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shanmuga Pudunagar-Subbiah is an Oncologist practicing medicine in Upland, California. Dr. Pudunagar-Subbiah is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Inflammatory Breast Cancer, Paget Disease of the Breast, Thrombocytopenia, and Angiosarcoma.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    San Antonio Regional Hospital

    999 San Bernardino Rd, 
    Upland, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Jose Santiago is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Santiago is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Apoplexy, Sepsis, Gastrointestinal Bleeding, Hernia Surgery, and Kidney Transplant.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    Kevin Jenkins, Do, Inc.

    944 W Foothill Blvd, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Kevin Jenkins is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Jenkins is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Diverticular Disease, Helicobacter Pylori Infection, Gastrostomy, and Colonoscopy. Dr. Jenkins is board certified in American Osteopathic Board Of Internal Medicine.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    Hadi, Ghassan, E., M.D., Inc.

    1060 E Foothill Blvd, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ghassan Hadi is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Hadi is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, End-Stage Renal Disease (ESRD), Sepsis, Gastrostomy, and Endoscopy. Dr. Hadi is board certified in American Board Of Internal Medicine.

    Experienced in Protein Deficiency
    Pulmonary Medicine
    Experienced in Protein Deficiency
    Pulmonary Medicine
    Referral may be required

    Inland Physicians Pulmonary Services

    637 N 13th Ave, 
    Upland, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shahram Khorrami is a Pulmonary Medicine provider practicing medicine in Upland, California. Dr. Khorrami is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Asthma, Pneumonia, Lung Metastases, Pulmonary Fibrosis, and Gastrostomy. Dr. Khorrami is board certified in American Board Of Internal Medicine. Dr. Khorrami is currently accepting new patients.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology
    Referral may be required

    Basim Z. Abdelkarim, M.D., Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (1.0 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Priyanka Yaramada is a Gastroenterologist practicing medicine in Upland, California. She has been practicing medicine for over 18 years. Dr. Yaramada is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Anemia, Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy. Dr. Yaramada is board certified in American Board Of Internal Medicine.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology
    Referral may be required

    Basim Z. Abdelkarim, M.D., Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Basim Abdelkarim is a Gastroenterologist practicing medicine in Upland, California. Dr. Abdelkarim is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 67 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy. Dr. Abdelkarim is board certified in American Board Of Internal Medicine.

    Experienced in Protein Deficiency
    Nurse Practitioner
    Experienced in Protein Deficiency
    Nurse Practitioner
    Referral may be required
    585 N Mountain Ave, Suite A, 
    Upland, CA 
     (1.1 miles away)
    Languages Spoken:
    English

    Pratibha Kayastha is a Nurse Practitioner practicing medicine in Upland, California. Kayastha, NP is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her clinical expertise encompasses Protein Deficiency.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine

    Inland Region Medical Group

    9089 Baseline Rd, 
    Rancho Cucamonga, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Thomas Woodbury is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Woodbury is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Kluver Bucy Syndrome, Familial Hypertension, Gastrostomy, and Endoscopy. Dr. Woodbury is board certified in American Osteopathic Board Of Family Practice.

    Experienced in Protein Deficiency
    Experienced in Protein Deficiency
    Referral may be required

    J.Singh D.O. Inc

    4959 Palo Verde St Ste 206A-5, 
    Montclair, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Jhujhar Singh is a Geriatrics provider practicing medicine in Montclair, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pneumonia, Necrosis, Gastrostomy, and Endoscopy.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    J. & D Healthcare Inc.

    9635 Monte Vista Ave Ste 205, 
    Montclair, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Atif Qadeer is a primary care provider, practicing in Internal Medicine in Montclair, California. Dr. Qadeer is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Hospital-Acquired Pneumonia, Gastrostomy, and Bone Marrow Aspiration.

    Experienced in Protein Deficiency
    Pulmonary Medicine
    Experienced in Protein Deficiency
    Pulmonary Medicine
    Referral may be required

    Inland Physicians Medical Group

    9525 Monte Vista Ave, 
    Montclair, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nicolaas Grobler is a Pulmonary Medicine provider practicing medicine in Montclair, California. Dr. Grobler is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Hypovolemic Shock, and Gastrostomy. Dr. Grobler is board certified in American Board Of Internal Medicine. Dr. Grobler is currently accepting new patients.

    Experienced in Protein Deficiency
    Pulmonary Medicine
    Experienced in Protein Deficiency
    Pulmonary Medicine
    Referral may be required

    Inland Physicians Medical Group

    9525 Monte Vista Ave, 
    Montclair, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Haaris Naji is a Pulmonary Medicine provider practicing medicine in Montclair, California. Dr. Naji is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Asthma, Primary Mediastinal B-Cell Lymphoma (PMBCL), Hypovolemic Shock, and Pneumonia. Dr. Naji is board certified in American Osteopathic Board Of Internal Medicine. Dr. Naji is currently accepting new patients.

    Experienced in Protein Deficiency
    Nurse Practitioner
    Experienced in Protein Deficiency
    Nurse Practitioner
    Referral may be required

    Wound Healing Care Specialists Inc

    Ontario, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    Heather Keaton is a Nurse Practitioner practicing medicine in Ontario, California. Keaton, NP is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her clinical expertise encompasses Protein Deficiency and Traumatic Brain Injury.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine

    Inland Physicians Medical Group

    9525 Monte Vista Ave Unit 105, 
    Montclair, CA 
     (3.3 miles away)
    Languages Spoken:
    English

    Andres Gonzalez is a primary care provider, practicing in Family Medicine in Montclair, California. Dr. Gonzalez is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Apoplexy, Pneumonia, Sepsis, Endoscopy, and Hemorrhoidectomy.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine

    Brittany Wertz, Do, Inc.

    678 S Indian Hill Blvd, 
    Claremont, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brittany Wertz is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Wertz is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her clinical expertise encompasses Sepsis, Dysgraphia, Acute Tubular Necrosis, Gastrostomy, and Endoscopy. Dr. Wertz is board certified in American Board Of Family Medicine.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology
    Referral may be required

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (4.1 miles away)
    Languages Spoken:
    English, Arabic, Spanish
    Accepting New Patients

    Hussein Abidali is a Gastroenterologist practicing medicine in Rancho Cucamonga, California. Dr. Abidali is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrostomy. Dr. Abidali is currently accepting new patients.

    Showing 1-20 of 65

    Last Updated: 09/26/2026

    When should I see a Protein Deficiency doctor near upland, 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 Protein Deficiency doctor near upland, 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 Protein Deficiency doctors near upland, 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 Protein Deficiency doctors near upland, 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 Protein Deficiency doctor near upland, 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 Protein Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Protein Deficiency 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 Protein Deficiency doctor near upland, 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 Protein Deficiency 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 Protein Deficiency 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 Protein Deficiency doctors near upland, CA?

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

    Look for the filter feature on the left-side of the Protein Deficiency 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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