Overview
Thomas Marshall is a primary care provider, practicing in Internal Medicine in Indianapolis, Indiana. He has been practicing medicine for over 44 years.
Dr. Marshall is highly rated in 3 conditions, according to our data. His clinical expertise encompasses Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, Folate Deficiency, and Subacute Combined Degeneration.
He is actively involved in clinical research, co-authoring 1 peer reviewed article. Dr. Marshall is currently accepting new patients.
Graduate Year
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- MANAGED MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MANAGED MEDICAID
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
6820 Parkdale Pl Ste 100, Indianapolis, IN 46254
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. Thomas R. Marshall
How do I make an appointment with Dr. Thomas R. Marshall?
You can book an appointment with Dr. Thomas R. Marshall by calling their office at 317-297-7773. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Thomas R. Marshall a top-rated expert for Vitamin B12 Deficiency Anemia?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Thomas R. Marshall is classified as an Advanced expert for Vitamin B12 Deficiency Anemia, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Thomas R. Marshall specialize in?
While Dr. Thomas R. Marshall is a Internal Medicine, they have specific expertise in Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Folate Deficiency. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Thomas R. Marshall participate in research or clinical trials?
Yes. Dr. Thomas R. Marshall has published 1 articles and abstracts on conditions like Vitamin B12 Deficiency Anemia. You can view a list of Dr. Thomas R. Marshall's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Thomas R. Marshall accept my insurance?
Dr. Thomas R. Marshall accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 317-297-7773 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Folate DeficiencyDr. Marshall isAdvanced. Learn about Folate Deficiency.
- Multiple Carboxylase DeficiencyDr. Marshall isAdvanced. Learn about Multiple Carboxylase Deficiency.
- Vitamin B12 Deficiency AnemiaDr. Marshall isAdvanced. Learn about Vitamin B12 Deficiency Anemia.
- Experienced
- Allergic RhinitisDr. Marshall isExperienced. Learn about Allergic Rhinitis.
- Alzheimer's DiseaseDr. Marshall isExperienced. Learn about Alzheimer's Disease.
- AnemiaDr. Marshall isExperienced. Learn about Anemia.
- AsthmaDr. Marshall isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Marshall isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Marshall isExperienced. Learn about Atherosclerosis.
- Benign Paroxysmal Positional VertigoDr. Marshall isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- BronchitisDr. Marshall isExperienced. Learn about Bronchitis.
- BullaeDr. Marshall isExperienced. Learn about Bullae.
- Childhood Iron Deficiency AnemiaDr. Marshall isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chronic CoughDr. Marshall isExperienced. Learn about Chronic Cough.
- Chronic Kidney DiseaseDr. Marshall isExperienced. Learn about Chronic Kidney Disease.
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- Coronary Heart DiseaseDr. Marshall isExperienced. Learn about Coronary Heart Disease.
- CostochondritisDr. Marshall isExperienced. Learn about Costochondritis.
- COVID-19Dr. Marshall isExperienced. Learn about COVID-19.
- Diabetic NeuropathyDr. Marshall isExperienced. Learn about Diabetic Neuropathy.
- EmphysemaDr. Marshall isExperienced. Learn about Emphysema.
- EmpyemaDr. Marshall isExperienced. Learn about Empyema.
- Enlarged Prostate (BPH)Dr. Marshall isExperienced. Learn about Enlarged Prostate (BPH).
- Familial HypertensionDr. Marshall isExperienced. Learn about Familial Hypertension.
- Familial Hypocalciuric Hypercalcemia Type 1Dr. Marshall isExperienced. Learn about Familial Hypocalciuric Hypercalcemia Type 1.
- Gastroesophageal Reflux Disease (GERD)Dr. Marshall isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gitelman SyndromeDr. Marshall isExperienced. Learn about Gitelman Syndrome.
- Glucocorticoid-Remediable AldosteronismDr. Marshall isExperienced. Learn about Glucocorticoid-Remediable Aldosteronism.
- GoutDr. Marshall isExperienced. Learn about Gout.
- Grass AllergyDr. Marshall isExperienced. Learn about Grass Allergy.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- High CholesterolDr. Marshall isExperienced. Learn about High Cholesterol.
- HypercalcemiaDr. Marshall isExperienced. Learn about Hypercalcemia.
- HypertensionDr. Marshall isExperienced. Learn about Hypertension.
- HypothyroidismDr. Marshall isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Marshall isExperienced. Learn about Idiopathic Edema.
- Idiopathic HypercalciuriaDr. Marshall isExperienced. Learn about Idiopathic Hypercalciuria.
- Iron Deficiency AnemiaDr. Marshall isExperienced. Learn about Iron Deficiency Anemia.
- Low Potassium LevelDr. Marshall isExperienced. Learn about Low Potassium Level.
- Lung MetastasesDr. Marshall isExperienced. Learn about Lung Metastases.
- LymphangiectasisDr. Marshall isExperienced. Learn about Lymphangiectasis.
- LymphedemaDr. Marshall isExperienced. Learn about Lymphedema.
- Maturity Onset Diabetes of the YoungDr. Marshall isExperienced. Learn about Maturity Onset Diabetes of the Young.
- Meige DiseaseDr. Marshall isExperienced. Learn about Meige Disease.
- MelorheostosisDr. Marshall isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Marshall isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Marshall isExperienced. Learn about Memory Loss.
- Milk-Alkali SyndromeDr. Marshall isExperienced. Learn about Milk-Alkali Syndrome.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Nasal FlaringDr. Marshall isExperienced. Learn about Nasal Flaring.
- NecrosisDr. Marshall isExperienced. Learn about Necrosis.
- NephrosclerosisDr. Marshall isExperienced. Learn about Nephrosclerosis.
- Obesity in ChildrenDr. Marshall isExperienced. Learn about Obesity in Children.
- OsteoarthritisDr. Marshall isExperienced. Learn about Osteoarthritis.
- OsteopeniaDr. Marshall isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Marshall isExperienced. Learn about Osteoporosis.
- Peptic UlcerDr. Marshall isExperienced. Learn about Peptic Ulcer.
- PericarditisDr. Marshall isExperienced. Learn about Pericarditis.
- Peripheral Artery DiseaseDr. Marshall isExperienced. Learn about Peripheral Artery Disease.
- Peripheral NeuropathyDr. Marshall isExperienced. Learn about Peripheral Neuropathy.
- Postmenopausal OsteoporosisDr. Marshall isExperienced. Learn about Postmenopausal Osteoporosis.
- Primary Intestinal LymphangiectasiaDr. Marshall isExperienced. Learn about Primary Intestinal Lymphangiectasia.
- Renovascular HypertensionDr. Marshall isExperienced. Learn about Renovascular Hypertension.
- RingwormDr. Marshall isExperienced. Learn about Ringworm.
- SciaticaDr. Marshall isExperienced. Learn about Sciatica.
- SinusitisDr. Marshall isExperienced. Learn about Sinusitis.
- SitosterolemiaDr. Marshall isExperienced. Learn about Sitosterolemia.
- SpasticityDr. Marshall isExperienced. Learn about Spasticity.
- Subacute Combined DegenerationDr. Marshall isExperienced. Learn about Subacute Combined Degeneration.
- TenosynovitisDr. Marshall isExperienced. Learn about Tenosynovitis.
- Tension HeadacheDr. Marshall isExperienced. Learn about Tension Headache.
- Tietz SyndromeDr. Marshall isExperienced. Learn about Tietz Syndrome.
- Type 2 Diabetes (T2D)Dr. Marshall isExperienced. Learn about Type 2 Diabetes (T2D).
- Urinary Tract Infection (UTI)Dr. Marshall isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Marshall isExperienced. Learn about Urinary Tract Infection in Children.
- VertigoDr. Marshall isExperienced. Learn about Vertigo.
- Vitamin D DeficiencyDr. Marshall isExperienced. Learn about Vitamin D Deficiency.