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    Last Updated: 10/30/2025

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    MediFind found 332 doctor with experience in Vitamin D Deficiency near Upland, CA. Of these, 275 are Experienced, 52 are Advanced and 5 are Distinguished.

    Location
    LocationClose
    332 providers found
      Distinguished in Vitamin D Deficiency
      Endocrinology
      Distinguished in Vitamin D Deficiency
      Endocrinology

      Chaparral Medical Group Inc

      9170 Haven Ave, Suite 120, 
      Rancho Cucamonga, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ewa Konca is an Endocrinologist in Rancho Cucamonga, California. Dr. Konca is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, Obesity, and Hypothyroidism.

      Experienced in Vitamin D Deficiency
      Oncology | Hematology Oncology
      Experienced in Vitamin D Deficiency
      Oncology | Hematology Oncology
      5451 Walnut Ave, 
      Chino, CA 
       (5.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Behnam Ebrahimi is an Oncologist and a Hematologist Oncology provider in Chino, California. Dr. Ebrahimi is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Inflammatory Breast Cancer, Small Cell Lung Cancer (SCLC), Angiosarcoma, and Paget Disease of the Breast.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      999 San Bernardino Rd, 
      Upland, CA 
       (0.7 miles away)
      Languages Spoken:
      English

      Roxanne Barbe is a Nurse Practitioner in Upland, California. Ms. Barbe is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top area of expertise is Vitamin D Deficiency.

      Learn about our expert tiers
      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine
      637 N 13th Ave, 
      Upland, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mina Soliman is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Soliman is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Gardner-Diamond Syndrome, Purpura, Autoerythrocyte Sensitivity, and Familial Combined Hyperlipidemia.

      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine

      Cucamonga Valley Medical Group Inc

      1310 San Bernardino Rd, Suite 105, 
      Upland, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Muhammad Mowjood is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Mowjood is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Obesity, Methylmalonic Acidemia with Homocystinuria, Sulfite Oxidase Deficiency, and Hypermethioninemia.

      Advanced in Vitamin D Deficiency
      Internal Medicine
      Advanced in Vitamin D Deficiency
      Internal Medicine

      Cucamonga Valley Medical Group Inc

      1310 San Bernardino Rd, Suite 105, 
      Upland, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Brandon Tong is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Tong is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Obesity, Chorea-Acanthocytosis, Tangier Disease, Fish-Eye Disease, and Ureteroscopy.

      Advanced in Vitamin D Deficiency
      Family Medicine | Holistic Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine | Holistic Medicine
      984 W Foothill Blvd, Suite E, 
      Upland, CA 
       (1.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Michael Benavidez is a Holistic Medicine provider in Upland, California. Mr. Benavidez is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Generalized Pustular Psoriasis (GPP), Vitamin B12 Deficiency, and Menopause.

      Advanced in Vitamin D Deficiency
      Internal Medicine
      Advanced in Vitamin D Deficiency
      Internal Medicine
      1004 W Foothill Blvd, 
      Upland, CA 
       (1.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Susan Biegel is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Biegel is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Sitosterolemia, Vitamin D Deficiency, Hypervitaminosis D, and High Cholesterol.

      Advanced in Vitamin D Deficiency
      Nephrology
      Advanced in Vitamin D Deficiency
      Nephrology

      Nephrology Associates Of Upland And Pomona

      1317 W Foothill Blvd, Suite 148, 
      Upland, CA 
       (1.6 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Nima Naimi is a Nephrologist in Upland, California. Dr. Naimi has been practicing medicine for over 16 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Diabetic Nephropathy.

      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      Advanced in Vitamin D Deficiency
      Nurse Practitioner

      Unicare Community Health Center, Inc.

      437 N Euclid Ave, 
      Ontario, CA 
       (2.0 miles away)
      Languages Spoken:
      English

      Huynh Nguyen is a Nurse Practitioner in Ontario, California. Ms. Nguyen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Angiomyoma, Seasonal Affective Disorder (SAD), and Folliculitis.

      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      Advanced in Vitamin D Deficiency
      Nurse Practitioner

      Unicare Community Health Center, Inc.

      437 N Euclid Ave, 
      Ontario, CA 
       (2.0 miles away)
      Languages Spoken:
      English

      Pei Tan is a Nurse Practitioner in Ontario, California. Ms. Tan is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Menopause, Angiomyoma, and White Sponge Nevus.

      Advanced in Vitamin D Deficiency
      General Practice
      Advanced in Vitamin D Deficiency
      General Practice
      402 E Holt Blvd, 
      Ontario, CA 
       (2.4 miles away)
      Languages Spoken:
      English

      David Lozano is a primary care provider, practicing in General Practice in Ontario, California. Dr. Lozano is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Cirrhosis.

      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine
      9140 Haven Ave Ste 112, 
      Rancho Cucamonga, CA 
       (4.0 miles away)
      Languages Spoken:
      English

      Ani Berberyan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Berberyan is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Obesity, Axillary Nerve Dysfunction, Sciatica, and High Cholesterol.

      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine
      310 N Indian Hill Blvd # 240, 
      Claremont, CA 
       (4.0 miles away)
      Languages Spoken:
      English

      Yen Lai is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Lai is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Aromatase Deficiency, Renal Hypomagnesemia Type 2, Methylmalonic Acidemia with Homocystinuria, and Homocystinuria.

      Advanced in Vitamin D Deficiency
      Advanced in Vitamin D Deficiency
      8008 Haven Ave, Suite 100, 
      Rancho Cucamonga, CA 
       (4.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Patricia Guevara-Channell is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Guevara-Channell is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Silent Thyroiditis, Precocious Puberty, Vitamin D Deficiency, and Sitosterolemia.

      Advanced in Vitamin D Deficiency
      Family Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine
      7974 Haven Ave, Suite 250, 
      Rancho Cucamonga, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Steven Barag is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Barag is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Sciatica, Eunuchoidism Familial Hypogonadotropic, and Male Pseudohermaphroditism with Gynecomastia.

      Advanced in Vitamin D Deficiency
      Family Medicine | Emergency Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine | Emergency Medicine
      7974 Haven Ave, Suite 250, 
      Rancho Cucamonga, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mark Shiu is an Emergency Medicine provider in Rancho Cucamonga, California. Dr. Shiu is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Vitamin B12 Deficiency, Muscle Spasms, and Menopause.

      Advanced in Vitamin D Deficiency
      Internal Medicine
      Advanced in Vitamin D Deficiency
      Internal Medicine

      Chaparral Medical Group Inc

      9190 Haven Ave, 
      Rancho Cucamonga, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Nyein Tint is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Tint is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Obesity, Obesity in Children, High Cholesterol, and Vitamin D Deficiency.

      Advanced in Vitamin D Deficiency
      Nurse Practitioner
      Advanced in Vitamin D Deficiency
      Nurse Practitioner

      Unicare Community Health Center, Inc.

      1501 E Holt Ave, Suite A, 
      Pomona, CA 
       (4.8 miles away)
      Languages Spoken:
      English

      Cathleen Manusia is a Nurse Practitioner in Pomona, California. Ms. Manusia is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. Her top areas of expertise are Vitamin D Deficiency, Opioid Induced Constipation, and Periodontitis.

      Advanced in Vitamin D Deficiency
      Family Medicine | Public Health and Preventive Medicine
      Advanced in Vitamin D Deficiency
      Family Medicine | Public Health and Preventive Medicine
      10399 Lemon Ave, Suite 101, 
      Rancho Cucamonga, CA 
       (5.0 miles away)
      Languages Spoken:
      English

      Crisostomo Armada is a Public Health and Preventive Medicine provider in Rancho Cucamonga, California. Dr. Armada is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Vitamin D Deficiency, Menopause, Seasonal Affective Disorder (SAD), and Muscle Spasms.

      Showing 1-20 of 332

      Last Updated: 10/30/2025

      What is the definition of Vitamin D Deficiency?

      Vitamin D deficiency is when the body does not have enough vitamin D. Vitamin D is necessary for absorbing calcium and healthy bones.

      When should I see a Vitamin D 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 Vitamin D 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 Vitamin D 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 Vitamin D 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 Vitamin D 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 Vitamin D Deficiency doctor search results page. 

      Why is it important to get a second opinion from a different Vitamin D 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 Vitamin D 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 Vitamin D 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 Vitamin D 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 Vitamin D Deficiency doctors near Upland, CA?

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

      Look for the filter feature on the left-side of the Vitamin D 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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