Overview
Randy Grellner is a primary care provider, practicing in Family Medicine in Cushing, Oklahoma.
Dr. Grellner is highly rated in 8 conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D).
Dr. Grellner is currently accepting new patients.
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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- HMO
- POS
- 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
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- OTHER COMMERCIAL
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE ASSISTANCE PROGRAM
- MEDICARE MAPD
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- OTHER COMMERCIAL
- PPO
- 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
600 S Linwood Ave, Cushing, OK 74023
Ascension Medical Group St. John Riverside
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Frequently Asked Questions about Dr. Randy J. Grellner
How do I make an appointment with Dr. Randy J. Grellner?
You can book an appointment with Dr. Randy J. Grellner by calling their office at 918-725-1599. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Randy J. Grellner a top-rated expert for Hypertension?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Randy J. Grellner is classified as an Advanced expert for Hypertension, 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. Randy J. Grellner specialize in?
While Dr. Randy J. Grellner is a Family Medicine, they have specific expertise in Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Family Medicine.
Does Dr. Randy J. Grellner accept my insurance?
Dr. Randy J. Grellner accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 918-725-1599 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
- BronchitisDr. Grellner isAdvanced. Learn about Bronchitis.
- Familial HypertensionDr. Grellner isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- HypertensionDr. Grellner isAdvanced. Learn about Hypertension.
- Osteomyelitis in ChildrenDr. Grellner isAdvanced. Learn about Osteomyelitis in Children.
- TracheitisDr. Grellner isAdvanced. Learn about Tracheitis.
- Type 2 Diabetes (T2D)Dr. Grellner isAdvanced. Learn about Type 2 Diabetes (T2D).
- VertigoDr. Grellner isAdvanced. Learn about Vertigo.
- Experienced
- Acute CystitisDr. Grellner isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Grellner isExperienced. Learn about Acute Kidney Failure.
- Allergic RhinitisDr. Grellner isExperienced. Learn about Allergic Rhinitis.
- Alopecia AreataDr. Grellner isExperienced. Learn about Alopecia Areata.
- AnemiaDr. Grellner isExperienced. Learn about Anemia.
- Ankylosing SpondylitisDr. Grellner isExperienced. Learn about Ankylosing Spondylitis.
- Antiphospholipid SyndromeDr. Grellner isExperienced. Learn about Antiphospholipid Syndrome.
- Attention Deficit Hyperactivity Disorder (ADHD)
- Atypical PneumoniaDr. Grellner isExperienced. Learn about Atypical Pneumonia.
- Autosomal Recessive HypotrichosisDr. Grellner isExperienced. Learn about Autosomal Recessive Hypotrichosis.
- Axial Spondyloarthritis (AxSpA)Dr. Grellner isExperienced. Learn about Axial Spondyloarthritis (AxSpA).
- Benign Esophageal StrictureDr. Grellner isExperienced. Learn about Benign Esophageal Stricture.
- Benign Paroxysmal Positional VertigoDr. Grellner isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- Branchial Cleft CystDr. Grellner isExperienced. Learn about Branchial Cleft Cyst.
- Calcium Pyrophosphate ArthritisDr. Grellner isExperienced. Learn about Calcium Pyrophosphate Arthritis.
- CardiomyopathyDr. Grellner isExperienced. Learn about Cardiomyopathy.
- CellulitisDr. Grellner isExperienced. Learn about Cellulitis.
- Charles Bonnet SyndromeDr. Grellner isExperienced. Learn about Charles Bonnet Syndrome.
- Childhood Iron Deficiency AnemiaDr. Grellner isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chronic CoughDr. Grellner isExperienced. Learn about Chronic Cough.
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic PainDr. Grellner isExperienced. Learn about Chronic Pain.
- CirrhosisDr. Grellner isExperienced. Learn about Cirrhosis.
- ColitisDr. Grellner isExperienced. Learn about Colitis.
- Colorectal CancerDr. Grellner isExperienced. Learn about Colorectal Cancer.
- Congenital Hemolytic AnemiaDr. Grellner isExperienced. Learn about Congenital Hemolytic Anemia.
- COVID-19Dr. Grellner isExperienced. Learn about COVID-19.
- Deep Vein ThrombosisDr. Grellner isExperienced. Learn about Deep Vein Thrombosis.
- DeliriumDr. Grellner isExperienced. Learn about Delirium.
- DementiaDr. Grellner isExperienced. Learn about Dementia.
- DiarrheaDr. Grellner isExperienced. Learn about Diarrhea.
- Dilated Cardiomyopathy (DCM)Dr. Grellner isExperienced. Learn about Dilated Cardiomyopathy (DCM).
- EmpyemaDr. Grellner isExperienced. Learn about Empyema.
- Enlarged LiverDr. Grellner isExperienced. Learn about Enlarged Liver.
- Eunuchoidism Familial HypogonadotropicDr. Grellner isExperienced. Learn about Eunuchoidism Familial Hypogonadotropic.
- FaintingDr. Grellner isExperienced. Learn about Fainting.
- Familial Hypertrophic CardiomyopathyDr. Grellner isExperienced. Learn about Familial Hypertrophic Cardiomyopathy.
- Familial Neurocardiogenic SyncopeDr. Grellner isExperienced. Learn about Familial Neurocardiogenic Syncope.
- Follicular LymphomaDr. Grellner isExperienced. Learn about Follicular Lymphoma.
- FolliculitisDr. Grellner isExperienced. Learn about Folliculitis.
- Gas Bloat SyndromeDr. Grellner isExperienced. Learn about Gas Bloat Syndrome.
- Gastroesophageal Reflux Disease (GERD)Dr. Grellner isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gitelman SyndromeDr. Grellner isExperienced. Learn about Gitelman Syndrome.
- GoutDr. Grellner isExperienced. Learn about Gout.
- Grass AllergyDr. Grellner isExperienced. Learn about Grass Allergy.
- HeadacheDr. Grellner isExperienced. Learn about Headache.
- Heart FailureDr. Grellner isExperienced. Learn about Heart Failure.
- Hemolytic AnemiaDr. Grellner isExperienced. Learn about Hemolytic Anemia.
- Hemolytic CrisisDr. Grellner isExperienced. Learn about Hemolytic Crisis.
- High CholesterolDr. Grellner isExperienced. Learn about High Cholesterol.
- Hospital-Acquired PneumoniaDr. Grellner isExperienced. Learn about Hospital-Acquired Pneumonia.
- HyperhidrosisDr. Grellner isExperienced. Learn about Hyperhidrosis.
- Hypertensive Heart DiseaseDr. Grellner isExperienced. Learn about Hypertensive Heart Disease.
- HyperthyroidismDr. Grellner isExperienced. Learn about Hyperthyroidism.
- Hypertrophic Cardiomyopathy (HCM)Dr. Grellner isExperienced. Learn about Hypertrophic Cardiomyopathy (HCM).
- Hypogonadism Primary Partial AlopeciaDr. Grellner isExperienced. Learn about Hypogonadism Primary Partial Alopecia.
- HypothyroidismDr. Grellner isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Grellner isExperienced. Learn about Idiopathic Edema.
- Infant HyperglycemiaDr. Grellner isExperienced. Learn about Infant Hyperglycemia.
- InsomniaDr. Grellner isExperienced. Learn about Insomnia.
- Interstitial NephritisDr. Grellner isExperienced. Learn about Interstitial Nephritis.
- Invertebral Disc DiseaseDr. Grellner isExperienced. Learn about Invertebral Disc Disease.
- Iron Deficiency AnemiaDr. Grellner isExperienced. Learn about Iron Deficiency Anemia.
- Jock ItchDr. Grellner isExperienced. Learn about Jock Itch.
- Long Haul COVIDDr. Grellner isExperienced. Learn about Long Haul COVID.
- Low Blood PressureDr. Grellner isExperienced. Learn about Low Blood Pressure.
- Low Sodium LevelDr. Grellner isExperienced. Learn about Low Sodium Level.
- Lower Esophageal RingDr. Grellner isExperienced. Learn about Lower Esophageal Ring.
- Lung CancerDr. Grellner isExperienced. Learn about Lung Cancer.
- Lung MetastasesDr. Grellner isExperienced. Learn about Lung Metastases.
- Lung NodulesDr. Grellner isExperienced. Learn about Lung Nodules.
- LymphangitisDr. Grellner isExperienced. Learn about Lymphangitis.
- MacroamylasemiaDr. Grellner isExperienced. Learn about Macroamylasemia.
- Male Pseudohermaphroditism with Gynecomastia
- Maturity Onset Diabetes of the YoungDr. Grellner isExperienced. Learn about Maturity Onset Diabetes of the Young.
- Memory LossDr. Grellner isExperienced. Learn about Memory Loss.
- MenopauseDr. Grellner isExperienced. Learn about Menopause.
- Morning SicknessDr. Grellner isExperienced. Learn about Morning Sickness.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Muscle Invasive Bladder CancerDr. Grellner isExperienced. Learn about Muscle Invasive Bladder Cancer.
- Muscle SpasmsDr. Grellner isExperienced. Learn about Muscle Spasms.
- Nasal FlaringDr. Grellner isExperienced. Learn about Nasal Flaring.
- NecrosisDr. Grellner isExperienced. Learn about Necrosis.
- NeuralgiaDr. Grellner isExperienced. Learn about Neuralgia.
- Non-Muscle Invasive Bladder CancerDr. Grellner isExperienced. Learn about Non-Muscle Invasive Bladder Cancer.
- ObesityDr. Grellner isExperienced. Learn about Obesity.
- Obesity in ChildrenDr. Grellner isExperienced. Learn about Obesity in Children.
- OpisthotonosDr. Grellner isExperienced. Learn about Opisthotonos.
- Orthostatic HypotensionDr. Grellner isExperienced. Learn about Orthostatic Hypotension.
- OsteoarthritisDr. Grellner isExperienced. Learn about Osteoarthritis.
- OsteoporosisDr. Grellner isExperienced. Learn about Osteoporosis.
- Papular UrticariaDr. Grellner isExperienced. Learn about Papular Urticaria.
- Pediatric MyocarditisDr. Grellner isExperienced. Learn about Pediatric Myocarditis.
- Peptic UlcerDr. Grellner isExperienced. Learn about Peptic Ulcer.
- Peripheral Artery DiseaseDr. Grellner isExperienced. Learn about Peripheral Artery Disease.
- Peripheral NeuropathyDr. Grellner isExperienced. Learn about Peripheral Neuropathy.
- Pharyngomaxillary Space AbscessDr. Grellner isExperienced. Learn about Pharyngomaxillary Space Abscess.
- PneumoniaDr. Grellner isExperienced. Learn about Pneumonia.
- Postmenopausal OsteoporosisDr. Grellner isExperienced. Learn about Postmenopausal Osteoporosis.
- Pulmonary EdemaDr. Grellner isExperienced. Learn about Pulmonary Edema.
- Pulmonary FibrosisDr. Grellner isExperienced. Learn about Pulmonary Fibrosis.
- PustulesDr. Grellner isExperienced. Learn about Pustules.
- Rabson-Mendenhall SyndromeDr. Grellner isExperienced. Learn about Rabson-Mendenhall Syndrome.
- Restless Legs SyndromeDr. Grellner isExperienced. Learn about Restless Legs Syndrome.
- Rheumatoid Lung DiseaseDr. Grellner isExperienced. Learn about Rheumatoid Lung Disease.
- Rheumatoid PneumoconiosisDr. Grellner isExperienced. Learn about Rheumatoid Pneumoconiosis.
- Rheumatoid VasculitisDr. Grellner isExperienced. Learn about Rheumatoid Vasculitis.
- SciaticaDr. Grellner isExperienced. Learn about Sciatica.
- ScoliosisDr. Grellner isExperienced. Learn about Scoliosis.
- ShinglesDr. Grellner isExperienced. Learn about Shingles.
- SinusitisDr. Grellner isExperienced. Learn about Sinusitis.
- SpasticityDr. Grellner isExperienced. Learn about Spasticity.
- Subvalvular Aortic StenosisDr. Grellner isExperienced. Learn about Subvalvular Aortic Stenosis.
- Tennis ElbowDr. Grellner isExperienced. Learn about Tennis Elbow.
- TenosynovitisDr. Grellner isExperienced. Learn about Tenosynovitis.
- Tension HeadacheDr. Grellner isExperienced. Learn about Tension Headache.
- Testicular FailureDr. Grellner isExperienced. Learn about Testicular Failure.
- ThrombophlebitisDr. Grellner isExperienced. Learn about Thrombophlebitis.
- Thyroid StormDr. Grellner isExperienced. Learn about Thyroid Storm.
- TMJ DisordersDr. Grellner isExperienced. Learn about TMJ Disorders.
- TorticollisDr. Grellner isExperienced. Learn about Torticollis.
- Transient Ischemic Attack (TIA)Dr. Grellner isExperienced. Learn about Transient Ischemic Attack (TIA).
- Trichohepatoenteric SyndromeDr. Grellner isExperienced. Learn about Trichohepatoenteric Syndrome.
- Type 1 Diabetes (T1D)Dr. Grellner isExperienced. Learn about Type 1 Diabetes (T1D).
- Urinary Tract Infection (UTI)Dr. Grellner isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Grellner isExperienced. Learn about Urinary Tract Infection in Children.
- Viral GastroenteritisDr. Grellner isExperienced. Learn about Viral Gastroenteritis.
- Vitamin D DeficiencyDr. Grellner isExperienced. Learn about Vitamin D Deficiency.