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
Find Dr. Shaffer's expertise for a condition
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- Distinguished
- Diabetic NephropathyDr. Shaffer isDistinguished. Learn about Diabetic Nephropathy.
- Advanced
- Chronic CoughDr. Shaffer isAdvanced. Learn about Chronic Cough.
- CirrhosisDr. Shaffer isAdvanced. Learn about Cirrhosis.
- Familial HypertensionDr. Shaffer isAdvanced. Learn about Familial Hypertension.
- Gastroesophageal Reflux Disease (GERD)
- Glucocorticoid-Remediable Aldosteronism
- High CholesterolDr. Shaffer isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Shaffer isAdvanced. Learn about Hypertension.
- HypothyroidismDr. Shaffer isAdvanced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Shaffer isAdvanced. Learn about Idiopathic Edema.
- Lyme DiseaseDr. Shaffer isAdvanced. Learn about Lyme Disease.
- Maturity Onset Diabetes of the Young
- Obesity in ChildrenDr. Shaffer isAdvanced. Learn about Obesity in Children.
- SitosterolemiaDr. Shaffer isAdvanced. Learn about Sitosterolemia.
- Type 2 Diabetes (T2D)Dr. Shaffer isAdvanced. Learn about Type 2 Diabetes (T2D).
- VertigoDr. Shaffer isAdvanced. Learn about Vertigo.
View All 15 Advanced Conditions
- Experienced
- AcneDr. Shaffer isExperienced. Learn about Acne.
- Acute Cerebellar AtaxiaDr. Shaffer isExperienced. Learn about Acute Cerebellar Ataxia.
- Acute CystitisDr. Shaffer isExperienced. Learn about Acute Cystitis.
- Acute Interstitial PneumoniaDr. Shaffer isExperienced. Learn about Acute Interstitial Pneumonia.
- Acute Kidney FailureDr. Shaffer isExperienced. Learn about Acute Kidney Failure.
- Acute Mountain SicknessDr. Shaffer isExperienced. Learn about Acute Mountain Sickness.
- Alcoholic CirrhosisDr. Shaffer isExperienced. Learn about Alcoholic Cirrhosis.
- Allergic RhinitisDr. Shaffer isExperienced. Learn about Allergic Rhinitis.
- Alopecia AreataDr. Shaffer isExperienced. Learn about Alopecia Areata.
- AnemiaDr. Shaffer isExperienced. Learn about Anemia.
- Ankylosing SpondylitisDr. Shaffer isExperienced. Learn about Ankylosing Spondylitis.
- ApoplexyDr. Shaffer isExperienced. Learn about Apoplexy.
- AscitesDr. Shaffer isExperienced. Learn about Ascites.
- AsthmaDr. Shaffer isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Shaffer isExperienced. Learn about Asthma in Children.
- AtherosclerosisDr. Shaffer isExperienced. Learn about Atherosclerosis.
- Attention Deficit Hyperactivity Disorder (ADHD)
- Atypical PneumoniaDr. Shaffer isExperienced. Learn about Atypical Pneumonia.
- Autism Spectrum DisorderDr. Shaffer isExperienced. Learn about Autism Spectrum Disorder.
- Autosomal Dominant HypocalcemiaDr. Shaffer isExperienced. Learn about Autosomal Dominant Hypocalcemia.
- Autosomal Recessive HypotrichosisDr. Shaffer isExperienced. Learn about Autosomal Recessive Hypotrichosis.
- Axial Spondyloarthritis (AxSpA)Dr. Shaffer isExperienced. Learn about Axial Spondyloarthritis (AxSpA).
- BalanitisDr. Shaffer isExperienced. Learn about Balanitis.
- Behr SyndromeDr. Shaffer isExperienced. Learn about Behr Syndrome.
- Benign Paroxysmal Positional VertigoDr. Shaffer isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- Bile Acid MalabsorptionDr. Shaffer isExperienced. Learn about Bile Acid Malabsorption.
- Black Hairy TongueDr. Shaffer isExperienced. Learn about Black Hairy Tongue.
- Breast CancerDr. Shaffer isExperienced. Learn about Breast Cancer.
- BullaeDr. Shaffer isExperienced. Learn about Bullae.
- Candida Infection of the SkinDr. Shaffer isExperienced. Learn about Candida Infection of the Skin.
- Celiac DiseaseDr. Shaffer isExperienced. Learn about Celiac Disease.
- CellulitisDr. Shaffer isExperienced. Learn about Cellulitis.
- Cheilitis GlandularisDr. Shaffer isExperienced. Learn about Cheilitis Glandularis.
- Childhood Iron Deficiency AnemiaDr. Shaffer isExperienced. Learn about Childhood Iron Deficiency Anemia.
- CholangitisDr. Shaffer isExperienced. Learn about Cholangitis.
- Chronic Kidney DiseaseDr. Shaffer isExperienced. Learn about Chronic Kidney Disease.
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic PainDr. Shaffer isExperienced. Learn about Chronic Pain.
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- ColitisDr. Shaffer isExperienced. Learn about Colitis.
- Collagenous ColitisDr. Shaffer isExperienced. Learn about Collagenous Colitis.
- ConcussionDr. Shaffer isExperienced. Learn about Concussion.
- Congenital Antithrombin 3 DeficiencyDr. Shaffer isExperienced. Learn about Congenital Antithrombin 3 Deficiency.
- Conjunctivitis (Pink Eye)Dr. Shaffer isExperienced. Learn about Conjunctivitis (Pink Eye).
- Contact DermatitisDr. Shaffer isExperienced. Learn about Contact Dermatitis.
- Contracture DeformityDr. Shaffer isExperienced. Learn about Contracture Deformity.
- Coronary Heart DiseaseDr. Shaffer isExperienced. Learn about Coronary Heart Disease.
- CostochondritisDr. Shaffer isExperienced. Learn about Costochondritis.
- COVID-19Dr. Shaffer isExperienced. Learn about COVID-19.
- Deep Vein ThrombosisDr. Shaffer isExperienced. Learn about Deep Vein Thrombosis.
- Delayed GrowthDr. Shaffer isExperienced. Learn about Delayed Growth.
- DeliriumDr. Shaffer isExperienced. Learn about Delirium.
- DementiaDr. Shaffer isExperienced. Learn about Dementia.
- Diabetic NeuropathyDr. Shaffer isExperienced. Learn about Diabetic Neuropathy.
- DiarrheaDr. Shaffer isExperienced. Learn about Diarrhea.
- Down SyndromeDr. Shaffer isExperienced. Learn about Down Syndrome.
- DrowsinessDr. Shaffer isExperienced. Learn about Drowsiness.
- EhrlichiosisDr. Shaffer isExperienced. Learn about Ehrlichiosis.
- EmphysemaDr. Shaffer isExperienced. Learn about Emphysema.
- EmpyemaDr. Shaffer isExperienced. Learn about Empyema.
- Enlarged LiverDr. Shaffer isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Shaffer isExperienced. Learn about Enlarged Prostate (BPH).
- EpididymitisDr. Shaffer isExperienced. Learn about Epididymitis.
- EpilepsyDr. Shaffer isExperienced. Learn about Epilepsy.
- Erythema NodosumDr. Shaffer isExperienced. Learn about Erythema Nodosum.
- Excessive Daytime SleepinessDr. Shaffer isExperienced. Learn about Excessive Daytime Sleepiness.
- Factor V Leiden ThrombophiliaDr. Shaffer isExperienced. Learn about Factor V Leiden Thrombophilia.
- FaintingDr. Shaffer isExperienced. Learn about Fainting.
- Familial Chronic Mucocutaneous Candidiasis
- Familial Combined HyperlipidemiaDr. Shaffer isExperienced. Learn about Familial Combined Hyperlipidemia.
- Familial Dilated CardiomyopathyDr. Shaffer isExperienced. Learn about Familial Dilated Cardiomyopathy.
- Familial HypertriglyceridemiaDr. Shaffer isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial Hypocalciuric Hypercalcemia Type 1
- Familial Neurocardiogenic SyncopeDr. Shaffer isExperienced. Learn about Familial Neurocardiogenic Syncope.
- FibromyalgiaDr. Shaffer isExperienced. Learn about Fibromyalgia.
- Folate DeficiencyDr. Shaffer isExperienced. Learn about Folate Deficiency.
- Food AllergyDr. Shaffer isExperienced. Learn about Food Allergy.
- Foot DropDr. Shaffer isExperienced. Learn about Foot Drop.
- GAPO SyndromeDr. Shaffer isExperienced. Learn about GAPO Syndrome.
- Generalized Tonic-Clonic SeizureDr. Shaffer isExperienced. Learn about Generalized Tonic-Clonic Seizure.
- Gitelman SyndromeDr. Shaffer isExperienced. Learn about Gitelman Syndrome.
- GoutDr. Shaffer isExperienced. Learn about Gout.
- Grass AllergyDr. Shaffer isExperienced. Learn about Grass Allergy.
- Hairy Cell Leukemia (HCL)Dr. Shaffer isExperienced. Learn about Hairy Cell Leukemia (HCL).
- Harding AtaxiaDr. Shaffer isExperienced. Learn about Harding Ataxia.
- Heart AttackDr. Shaffer isExperienced. Learn about Heart Attack.
- Heart FailureDr. Shaffer isExperienced. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Heart MurmursDr. Shaffer isExperienced. Learn about Heart Murmurs.
- Hereditary Resistance to Anti-Vitamin KDr. Shaffer isExperienced. Learn about Hereditary Resistance to Anti-Vitamin K.
- Heterotaxy SyndromeDr. Shaffer isExperienced. Learn about Heterotaxy Syndrome.
- High Potassium LevelDr. Shaffer isExperienced. Learn about High Potassium Level.
- HivesDr. Shaffer isExperienced. Learn about Hives.
- Hospital-Acquired PneumoniaDr. Shaffer isExperienced. Learn about Hospital-Acquired Pneumonia.
- HypercalcemiaDr. Shaffer isExperienced. Learn about Hypercalcemia.
- HyperhidrosisDr. Shaffer isExperienced. Learn about Hyperhidrosis.
- Hyperlipidemia Type 3Dr. Shaffer isExperienced. Learn about Hyperlipidemia Type 3.
- Hypersensitivity PneumonitisDr. Shaffer isExperienced. Learn about Hypersensitivity Pneumonitis.
- HyperthyroidismDr. Shaffer isExperienced. Learn about Hyperthyroidism.
- Idiopathic HypercalciuriaDr. Shaffer isExperienced. Learn about Idiopathic Hypercalciuria.
- Idiopathic Pulmonary FibrosisDr. Shaffer isExperienced. Learn about Idiopathic Pulmonary Fibrosis.
- ImpetigoDr. Shaffer isExperienced. Learn about Impetigo.
- Infant HyperglycemiaDr. Shaffer isExperienced. Learn about Infant Hyperglycemia.
- Infantile-Onset Spinocerebellar Ataxia (IOSCA)
- InsomniaDr. Shaffer isExperienced. Learn about Insomnia.
- IntertrigoDr. Shaffer isExperienced. Learn about Intertrigo.
- Iron Deficiency AnemiaDr. Shaffer isExperienced. Learn about Iron Deficiency Anemia.
- Irritable Bowel Syndrome (IBS)Dr. Shaffer isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- Jock ItchDr. Shaffer isExperienced. Learn about Jock Itch.
- Kerion CelsiDr. Shaffer isExperienced. Learn about Kerion Celsi.
- Kikuchi DiseaseDr. Shaffer isExperienced. Learn about Kikuchi Disease.
- Low Blood SugarDr. Shaffer isExperienced. Learn about Low Blood Sugar.
- Low Potassium LevelDr. Shaffer isExperienced. Learn about Low Potassium Level.
- Low Sodium LevelDr. Shaffer isExperienced. Learn about Low Sodium Level.
- Lung MetastasesDr. Shaffer isExperienced. Learn about Lung Metastases.
- Lung NodulesDr. Shaffer isExperienced. Learn about Lung Nodules.
- LymphangiectasisDr. Shaffer isExperienced. Learn about Lymphangiectasis.
- LymphangitisDr. Shaffer isExperienced. Learn about Lymphangitis.
- LymphedemaDr. Shaffer isExperienced. Learn about Lymphedema.
- Lymphofollicular HyperplasiaDr. Shaffer isExperienced. Learn about Lymphofollicular Hyperplasia.
- MacroamylasemiaDr. Shaffer isExperienced. Learn about Macroamylasemia.
- Magnesium DeficiencyDr. Shaffer isExperienced. Learn about Magnesium Deficiency.
- MalabsorptionDr. Shaffer isExperienced. Learn about Malabsorption.
- MalnutritionDr. Shaffer isExperienced. Learn about Malnutrition.
- Marinesco Sjogren SyndromeDr. Shaffer isExperienced. Learn about Marinesco Sjogren Syndrome.
- Meige DiseaseDr. Shaffer isExperienced. Learn about Meige Disease.
- MelorheostosisDr. Shaffer isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Shaffer isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Shaffer isExperienced. Learn about Memory Loss.
- Metabolic SyndromeDr. Shaffer isExperienced. Learn about Metabolic Syndrome.
- MigraineDr. Shaffer isExperienced. Learn about Migraine.
- Migraine with Brainstem AuraDr. Shaffer isExperienced. Learn about Migraine with Brainstem Aura.
- Milk-Alkali SyndromeDr. Shaffer isExperienced. Learn about Milk-Alkali Syndrome.
- Monoclonal Gammopathy of Undetermined Significance (MGUS)
- Morning SicknessDr. Shaffer isExperienced. Learn about Morning Sickness.
- Multiple Carboxylase DeficiencyDr. Shaffer isExperienced. Learn about Multiple Carboxylase Deficiency.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Nasal FlaringDr. Shaffer isExperienced. Learn about Nasal Flaring.
- NecrosisDr. Shaffer isExperienced. Learn about Necrosis.
- NeuralgiaDr. Shaffer isExperienced. Learn about Neuralgia.
- NeurosarcoidosisDr. Shaffer isExperienced. Learn about Neurosarcoidosis.
- New Daily Persistent Headache (NDPH)Dr. Shaffer isExperienced. Learn about New Daily Persistent Headache (NDPH).
- Non-Alcoholic Fatty Liver DiseaseDr. Shaffer isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- ObesityDr. Shaffer isExperienced. Learn about Obesity.
- OsteoarthritisDr. Shaffer isExperienced. Learn about Osteoarthritis.
- OsteopeniaDr. Shaffer isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Shaffer isExperienced. Learn about Osteoporosis.
- OtitisDr. Shaffer isExperienced. Learn about Otitis.
- Peptic UlcerDr. Shaffer isExperienced. Learn about Peptic Ulcer.
- PericarditisDr. Shaffer isExperienced. Learn about Pericarditis.
- Peripheral Artery DiseaseDr. Shaffer isExperienced. Learn about Peripheral Artery Disease.
- Peripheral NeuropathyDr. Shaffer isExperienced. Learn about Peripheral Neuropathy.
- Plantar FasciitisDr. Shaffer isExperienced. Learn about Plantar Fasciitis.
- PneumoniaDr. Shaffer isExperienced. Learn about Pneumonia.
- Pol 3-Related LeukodystrophyDr. Shaffer isExperienced. Learn about Pol 3-Related Leukodystrophy.
- Polymyalgia RheumaticaDr. Shaffer isExperienced. Learn about Polymyalgia Rheumatica.
- Pompholyx EczemaDr. Shaffer isExperienced. Learn about Pompholyx Eczema.
- Post-Splenectomy SyndromeDr. Shaffer isExperienced. Learn about Post-Splenectomy Syndrome.
- Postmenopausal OsteoporosisDr. Shaffer isExperienced. Learn about Postmenopausal Osteoporosis.
- Primary Intestinal LymphangiectasiaDr. Shaffer isExperienced. Learn about Primary Intestinal Lymphangiectasia.
- Protein C DeficiencyDr. Shaffer isExperienced. Learn about Protein C Deficiency.
- Protein DeficiencyDr. Shaffer isExperienced. Learn about Protein Deficiency.
- Protein S DeficiencyDr. Shaffer isExperienced. Learn about Protein S Deficiency.
- PsoriasisDr. Shaffer isExperienced. Learn about Psoriasis.
- Pulmonary EdemaDr. Shaffer isExperienced. Learn about Pulmonary Edema.
- Pulmonary EmbolismDr. Shaffer isExperienced. Learn about Pulmonary Embolism.
- Pulmonary FibrosisDr. Shaffer isExperienced. Learn about Pulmonary Fibrosis.
- PustulesDr. Shaffer isExperienced. Learn about Pustules.
- Raynaud PhenomenonDr. Shaffer isExperienced. Learn about Raynaud Phenomenon.
- Restless Legs SyndromeDr. Shaffer isExperienced. Learn about Restless Legs Syndrome.
- ReticuloendotheliosisDr. Shaffer isExperienced. Learn about Reticuloendotheliosis.
- Rheumatoid Lung DiseaseDr. Shaffer isExperienced. Learn about Rheumatoid Lung Disease.
- Rheumatoid PneumoconiosisDr. Shaffer isExperienced. Learn about Rheumatoid Pneumoconiosis.
- Rheumatoid VasculitisDr. Shaffer isExperienced. Learn about Rheumatoid Vasculitis.
- Rhizomelic PseudopolyarthritisDr. Shaffer isExperienced. Learn about Rhizomelic Pseudopolyarthritis.
- RingwormDr. Shaffer isExperienced. Learn about Ringworm.
- ScabiesDr. Shaffer isExperienced. Learn about Scabies.
- Schnitzler SyndromeDr. Shaffer isExperienced. Learn about Schnitzler Syndrome.
- SciaticaDr. Shaffer isExperienced. Learn about Sciatica.
- Sclerosing CholangitisDr. Shaffer isExperienced. Learn about Sclerosing Cholangitis.
- ScoliosisDr. Shaffer isExperienced. Learn about Scoliosis.
- Seasonal Affective Disorder (SAD)Dr. Shaffer isExperienced. Learn about Seasonal Affective Disorder (SAD).
- Severe Fever with Thrombocytopenia Syndrome
- ShinglesDr. Shaffer isExperienced. Learn about Shingles.
- SialadenitisDr. Shaffer isExperienced. Learn about Sialadenitis.
- SinusitisDr. Shaffer isExperienced. Learn about Sinusitis.
- Spastic Ataxia Charlevoix-Saguenay TypeDr. Shaffer isExperienced. Learn about Spastic Ataxia Charlevoix-Saguenay Type.
- SpasticityDr. Shaffer isExperienced. Learn about Spasticity.
- Spinocerebellar AtaxiaDr. Shaffer isExperienced. Learn about Spinocerebellar Ataxia.
- Spinocerebellar Ataxia Type 28Dr. Shaffer isExperienced. Learn about Spinocerebellar Ataxia Type 28.
- Spinocerebellar Degeneration and Corneal Dystrophy
- Spotted FeverDr. Shaffer isExperienced. Learn about Spotted Fever.
- Stasis Dermatitis and UlcersDr. Shaffer isExperienced. Learn about Stasis Dermatitis and Ulcers.
- Subacute Combined DegenerationDr. Shaffer isExperienced. Learn about Subacute Combined Degeneration.
- Tennis ElbowDr. Shaffer isExperienced. Learn about Tennis Elbow.
- TenosynovitisDr. Shaffer isExperienced. Learn about Tenosynovitis.
- Tension HeadacheDr. Shaffer isExperienced. Learn about Tension Headache.
- Testicle LumpDr. Shaffer isExperienced. Learn about Testicle Lump.
- ThrombocytopeniaDr. Shaffer isExperienced. Learn about Thrombocytopenia.
- ThrombophlebitisDr. Shaffer isExperienced. Learn about Thrombophlebitis.
- ThrushDr. Shaffer isExperienced. Learn about Thrush.
- Thyroid StormDr. Shaffer isExperienced. Learn about Thyroid Storm.
- Tietz SyndromeDr. Shaffer isExperienced. Learn about Tietz Syndrome.
- TMJ DisordersDr. Shaffer isExperienced. Learn about TMJ Disorders.
- Transient Ischemic Attack (TIA)Dr. Shaffer isExperienced. Learn about Transient Ischemic Attack (TIA).
- Trichohepatoenteric SyndromeDr. Shaffer isExperienced. Learn about Trichohepatoenteric Syndrome.
- Trigeminal NeuralgiaDr. Shaffer isExperienced. Learn about Trigeminal Neuralgia.
- Type 1 Diabetes (T1D)Dr. Shaffer isExperienced. Learn about Type 1 Diabetes (T1D).
- Umbilical HerniaDr. Shaffer isExperienced. Learn about Umbilical Hernia.
- Urinary IncontinenceDr. Shaffer isExperienced. Learn about Urinary Incontinence.
- Urinary Tract Infection (UTI)Dr. Shaffer isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Shaffer isExperienced. Learn about Urinary Tract Infection in Children.
- VasculitisDr. Shaffer isExperienced. Learn about Vasculitis.
- Venous InsufficiencyDr. Shaffer isExperienced. Learn about Venous Insufficiency.
- VEXAS SyndromeDr. Shaffer isExperienced. Learn about VEXAS Syndrome.
- Viral GastroenteritisDr. Shaffer isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Shaffer isExperienced. Learn about Visceromegaly.
- Vitamin B12 Deficiency AnemiaDr. Shaffer isExperienced. Learn about Vitamin B12 Deficiency Anemia.
- Vitamin D DeficiencyDr. Shaffer isExperienced. Learn about Vitamin D Deficiency.
- XanthomaDr. Shaffer isExperienced. Learn about Xanthoma.
View All 220 Experienced Conditions
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