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    Last Updated: 02/22/2026

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    MediFind found 9 doctor with experience in Methylmalonic Acidemia with Homocystinuria near Baltimore, MD. Of these, 9 are Experienced.

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    9 providers found
      Ada Hamosh
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Medical Genetics | Pediatrics
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Medical Genetics | Pediatrics

      Rubenstein Child Health Building

      200 North Wolfe Street, Rubenstein BLDG Lower Level, Rubenstein BLDG Lower Level, 
      Baltimore, MD 
       (0.1 miles away)
      Languages Spoken:
      English

      Dr. Ada Hamosh is the Dr. Frank V. Sutland Professor of Pediatric Genetics in the Departments of Genetic Medicine and Pediatrics. Since 2002, she has served as clinical director of the McKusick-Nathans Institute of Genetic Medicine, now Department of Genetic Medicine and scientific director of the Online Mendelian Inheritance in Man® (OMIM), a catalog of more than 16,800 human genes and genetic disorders created by Dr. Victor A. McKusick. Her research centers the molecular basis of Mendelian disorders, the integration of genetics into clinical practice and the diagnosis and management of inborn errors of metabolism. Dr. Hamosh earned a bachelor’s degree in biology from Wesleyan University, a medical degree from Georgetown University School of Medicine and a master’s of public health from Johns Hopkins University School of Public Health. She later completed a fellowship in medical and biochemical genetics from the Johns Hopkins School of Medicine, before joining the Johns Hopkins faculty in 1992. Dr. Hamosh began her genetics career focusing on cystic fibrosis, serving as coordinator of the International Cystic Fibrosis Genotype-Phenotype Consortium. She served as chair of the Maryland State Advisory Council for Hereditary & Congenital Disorders from 2001-2009, during which time she also served on the executive committee of the Genetic Counseling Training Program, run by Johns Hopkins University and the National Human Genome Research Institute. Dr. Hamosh has authored more than 128 publications on a variety of topics. In addition, she is a member of 16 professional associations and advisory committees including the American Society of Human Genetics, the Steering Committee of the Global Alliance for Genomics and Health, and the executive board of the Human Genome Organization, of which she will be President from 2023-2025. Dr. Hamosh was recognized in Baltimore magazine as one of the region’s top doctors in 2013, and 2016-2020. Dr. Hamosh is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. Her top areas of expertise are Methylmalonic Acidemia, Maple Syrup Urine Disease, Ornithine Transcarbamylase Deficiency, Phenylketonuria (PKU), and Deep Brain Stimulation.

      Hilary J. Vernon
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Medical Genetics
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Medical Genetics

      Rubenstein Child Health Building

      Baltimore, MD 
       (0.1 miles away)
      Languages Spoken:
      English, Spanish

      Dr. Hilary Vernon is a Professor of Genetic Medicine and pediatrics at the Johns Hopkins University School of Medicine. She is also an attending physician at Kennedy Krieger Institute. Hilary Vernon has expertise in treating inborn errors of metabolism and mitochondrial disorders. She is the director of the Mitochondrial Care Center at The Johns Hopkins Hospital and the Barth Syndrome Interdisciplinary Clinic at the Kennedy Krieger Institute. Her research interests include understanding intermediary metabolism in Barth syndrome and in disorders of branch chain amino acid metabolism. Dr. Vernon also co-directs the Department of Genetic Medicine Clinical Trials Unit, and is the principal investigator on multiple clinical trials for rare diseases. Dr. Vernon received her medical degree and doctorate from Rutgers University, New Brunswick, New Jersey. She completed residencies in genetics and pediatrics at The Johns Hopkins University, and a fellowship in clinical laboratory biochemical genetics at The Johns Hopkins University. Dr. Vernon was recognized with the 2010 Francis F. Schwentker Award for Excellence in Research at Johns Hopkins University and the 2011 James B. Sidbury Jr. Fellowship in Biochemical Genetics at Johns Hopkins University. Dr. Vernon is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. Her top areas of expertise are Methylmalonic Acidemia, Propionic Acidemia, Infantile Neutropenia, Progressive External Ophthalmoplegia, and Gastrostomy.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      4940 Eastern Ave, 
      Baltimore, MD 
       (3.4 miles away)
      Languages Spoken:
      English

      Param Dedhia is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Dedhia is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. His top areas of expertise are Methylmalonic Acidemia with Homocystinuria and Homocystinuria.

      Learn about our expert tiers
      Swati D. Phatak
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine

      Johns Hopkins Community Physicians - Greater Dundalk

      Baltimore, MD 
       (6.5 miles away)
      Languages Spoken:
      English, Hindi, Marathi
      Offers Telehealth

      Swati D Phatak, M.D., practices internal medicine at Johns Hopkins Community Physicians Greater Dundalk. She received her medical degree from Topiwala National Medical College in Mumbai, India. Dr. Phatak completed residencies at Grant Medical College University of Mumbai and at State University of New York Upstate Medical University in Syracuse, New York. She speaks English, Hindi and Marathi. Dr. Phatak is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. Her top areas of expertise are Vitamin D Deficiency, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Experienced in Methylmalonic Acidemia with Homocystinuria

      Sinai Hospital Of Baltimore, Inc

      5051 Greenspring Ave, 
      Baltimore, MD 
       (5.1 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Robin Wilson is a Neurologist in Baltimore, Maryland. Dr. Wilson is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. Her top areas of expertise are Normal Pressure Hydrocephalus, Congenital Cardiovascular Shunt, Hydrocephalus, and Cerebellum Agenesis Hydrocephaly. Dr. Wilson is currently accepting new patients.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine

      Malinow Oster Andmalinow, P.A

      2700 Quarry Lake Dr, Suite 290, 
      Baltimore, MD 
       (7.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Louis Malinow is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Malinow is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. His top areas of expertise are Vitamin D Deficiency, Pilonidal Sinus Disease, Familial Hypertension, and Hypertension. Dr. Malinow is currently accepting new patients.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Family Medicine
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Family Medicine

      Families First Wellness Center

      10005 Old Columbia Rd Ste P170, 
      Columbia, MD 
       (14.8 miles away)
      Languages Spoken:
      English

      Mark Sivieri is a primary care provider, practicing in Family Medicine in Columbia, Maryland. Dr. Sivieri is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. His top areas of expertise are Juvenile Dermatomyositis, Light Chain Deposition Disease (LCDD), IgG4-Related Disease, and Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Hematology Oncology | Hematology
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Hematology Oncology | Hematology
      305 Hospital Drive, 
      Glen Burnie, MD 
       (10.5 miles away)
      Languages Spoken:
      English

      Russell Deluca is a Hematologist Oncology specialist and a Hematologist in Glen Burnie, Maryland. Dr. Deluca is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. His top areas of expertise are Pleuropulmonary Blastoma, Paget Disease of the Breast, Breast Cancer, and Lung Cancer.

      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      Experienced in Methylmalonic Acidemia with Homocystinuria
      Internal Medicine
      696 Richie Hwy, Unit 200, 
      Severna Park, MD 
       (14.9 miles away)
      Languages Spoken:
      English

      Danielle Mcdevitt is a primary care provider, practicing in Internal Medicine in Severna Park, Maryland. Dr. Mcdevitt is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia with Homocystinuria. Her top areas of expertise are Methylmalonic Acidemia with Homocystinuria and Homocystinuria.

      Showing 1-9 of 9

      Last Updated: 02/22/2026

      What is the definition of Methylmalonic Acidemia with Homocystinuria?

      Methylmalonic acidemia with homocystinuria is a disorder in which the body is unable to correctly process certain protein building blocks (amino acids), fat building blocks (fatty acids), and  cholesterol. The body is also unable to convert the amino acid homocysteine to another amino acid, methionine. Individuals with this disorder have a combination of features from two separate conditions, methylmalonic acidemia and homocystinuria. There are several forms of this combined condition, and the different forms have different genetic causes and signs and symptoms. The most common and best understood form, called cblC type (or cobalamin C disease), occurs in about 80 percent of affected individuals.

      When should I see a Methylmalonic Acidemia with Homocystinuria doctor near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria doctor near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria doctors near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria doctors near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria doctor near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria doctor search results page. 

      Why is it important to get a second opinion from a different Methylmalonic Acidemia with Homocystinuria 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 Methylmalonic Acidemia with Homocystinuria doctor near Baltimore, MD?

      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 Methylmalonic Acidemia with Homocystinuria 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 Methylmalonic Acidemia with Homocystinuria 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 Methylmalonic Acidemia with Homocystinuria doctors near Baltimore, MD?

      Look for the filter feature on the left side of the Methylmalonic Acidemia with Homocystinuria 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 Methylmalonic Acidemia with Homocystinuria doctor that offers video calls?

      Look for the filter feature on the left-side of the Methylmalonic Acidemia with Homocystinuria 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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