Overview
Barnett Grier is a primary care provider, practicing in Internal Medicine in Portola, California.
Dr. Grier is highly rated in 4 conditions, according to our data. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Type 2 Diabetes (T2D), and Chronic Cough.
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
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- 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
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- 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
480 1st Ave, Portola, CA 96122
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Frequently Asked Questions about Dr. Barnett J. Grier
How do I make an appointment with Dr. Barnett J. Grier?
You can book an appointment with Dr. Barnett J. Grier by calling their office at 530-832-4211. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Barnett J. Grier a top-rated expert for Chronic Obstructive Pulmonary Disease (COPD)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Barnett J. Grier is classified as an Advanced expert for Chronic Obstructive Pulmonary Disease (COPD), 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. Barnett J. Grier specialize in?
While Dr. Barnett J. Grier is a Internal Medicine, they have specific expertise in Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, and Type 2 Diabetes (T2D). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Barnett J. Grier accept my insurance?
Dr. Barnett J. Grier accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 530-832-4211 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
- Chronic CoughDr. Grier isAdvanced. Learn about Chronic Cough.
- Chronic Obstructive Pulmonary Disease (COPD)
- Lung MetastasesDr. Grier isAdvanced. Learn about Lung Metastases.
- Type 2 Diabetes (T2D)Dr. Grier isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- Acrogeria, Gottron TypeDr. Grier isExperienced. Learn about Acrogeria, Gottron Type.
- Allergic RhinitisDr. Grier isExperienced. Learn about Allergic Rhinitis.
- Alzheimer's DiseaseDr. Grier isExperienced. Learn about Alzheimer's Disease.
- AnemiaDr. Grier isExperienced. Learn about Anemia.
- Arginase DeficiencyDr. Grier isExperienced. Learn about Arginase Deficiency.
- AsthmaDr. Grier isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Grier isExperienced. Learn about Asthma in Children.
- Atypical PneumoniaDr. Grier isExperienced. Learn about Atypical Pneumonia.
- Bazex SyndromeDr. Grier isExperienced. Learn about Bazex Syndrome.
- Bell's PalsyDr. Grier isExperienced. Learn about Bell's Palsy.
- BronchitisDr. Grier isExperienced. Learn about Bronchitis.
- Carbamoyl Phosphate Synthetase 1 Deficiency
- CellulitisDr. Grier isExperienced. Learn about Cellulitis.
- Cerebellar DegenerationDr. Grier isExperienced. Learn about Cerebellar Degeneration.
- Cerebral HypoxiaDr. Grier isExperienced. Learn about Cerebral Hypoxia.
- Cerebral PalsyDr. Grier isExperienced. Learn about Cerebral Palsy.
- Childhood Iron Deficiency AnemiaDr. Grier isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chronic PainDr. Grier isExperienced. Learn about Chronic Pain.
- ColitisDr. Grier isExperienced. Learn about Colitis.
- Congenital Hypotrichosis MiliaDr. Grier isExperienced. Learn about Congenital Hypotrichosis Milia.
- Conjunctivitis (Pink Eye)Dr. Grier isExperienced. Learn about Conjunctivitis (Pink Eye).
- COVID-19Dr. Grier isExperienced. Learn about COVID-19.
- Cryptococcal MeningitisDr. Grier isExperienced. Learn about Cryptococcal Meningitis.
- CryptococcosisDr. Grier isExperienced. Learn about Cryptococcosis.
- Deep Vein ThrombosisDr. Grier isExperienced. Learn about Deep Vein Thrombosis.
- DeliriumDr. Grier isExperienced. Learn about Delirium.
- DementiaDr. Grier isExperienced. Learn about Dementia.
- Diabetic NeuropathyDr. Grier isExperienced. Learn about Diabetic Neuropathy.
- DiarrheaDr. Grier isExperienced. Learn about Diarrhea.
- EmpyemaDr. Grier isExperienced. Learn about Empyema.
- Enlarged LiverDr. Grier isExperienced. Learn about Enlarged Liver.
- Enlarged Prostate (BPH)Dr. Grier isExperienced. Learn about Enlarged Prostate (BPH).
- EpilepsyDr. Grier isExperienced. Learn about Epilepsy.
- Epilepsy in ChildrenDr. Grier isExperienced. Learn about Epilepsy in Children.
- Epilepsy with Myoclonic-Atonic Seizures
- Eyelid BumpDr. Grier isExperienced. Learn about Eyelid Bump.
- Facial ParalysisDr. Grier isExperienced. Learn about Facial Paralysis.
- FaintingDr. Grier isExperienced. Learn about Fainting.
- Familial Chronic Mucocutaneous Candidiasis
- Familial HypertensionDr. Grier isExperienced. Learn about Familial Hypertension.
- FibromyalgiaDr. Grier isExperienced. Learn about Fibromyalgia.
- Folate DeficiencyDr. Grier isExperienced. Learn about Folate Deficiency.
- Food AllergyDr. Grier isExperienced. Learn about Food Allergy.
- Foot DropDr. Grier isExperienced. Learn about Foot Drop.
- FrostbiteDr. Grier isExperienced. Learn about Frostbite.
- Generalized Tonic-Clonic SeizureDr. Grier isExperienced. Learn about Generalized Tonic-Clonic Seizure.
- Gitelman SyndromeDr. Grier isExperienced. Learn about Gitelman Syndrome.
- Glucocorticoid-Remediable Aldosteronism
- GoutDr. Grier isExperienced. Learn about Gout.
- Grass AllergyDr. Grier isExperienced. Learn about Grass Allergy.
- HeadacheDr. Grier isExperienced. Learn about Headache.
- HemiplegiaDr. Grier isExperienced. Learn about Hemiplegia.
- Hepatitis CDr. Grier isExperienced. Learn about Hepatitis C.
- Hereditary Mucoepithelial DysplasiaDr. Grier isExperienced. Learn about Hereditary Mucoepithelial Dysplasia.
- High CholesterolDr. Grier isExperienced. Learn about High Cholesterol.
- Hospital-Acquired PneumoniaDr. Grier isExperienced. Learn about Hospital-Acquired Pneumonia.
- HypertensionDr. Grier isExperienced. Learn about Hypertension.
- Hypertensive Heart DiseaseDr. Grier isExperienced. Learn about Hypertensive Heart Disease.
- HypothyroidismDr. Grier isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Grier isExperienced. Learn about Idiopathic Edema.
- Infant Epilepsy with Migrant Focal Crisis
- InsomniaDr. Grier isExperienced. Learn about Insomnia.
- IntertrigoDr. Grier isExperienced. Learn about Intertrigo.
- Invertebral Disc DiseaseDr. Grier isExperienced. Learn about Invertebral Disc Disease.
- Iron Deficiency AnemiaDr. Grier isExperienced. Learn about Iron Deficiency Anemia.
- KyphosisDr. Grier isExperienced. Learn about Kyphosis.
- Lewy Body Dementia (LBD)Dr. Grier isExperienced. Learn about Lewy Body Dementia (LBD).
- Low Potassium LevelDr. Grier isExperienced. Learn about Low Potassium Level.
- LymphangitisDr. Grier isExperienced. Learn about Lymphangitis.
- MalnutritionDr. Grier isExperienced. Learn about Malnutrition.
- Maturity Onset Diabetes of the YoungDr. Grier isExperienced. Learn about Maturity Onset Diabetes of the Young.
- MelorheostosisDr. Grier isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Grier isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Grier isExperienced. Learn about Memory Loss.
- Movement DisordersDr. Grier isExperienced. Learn about Movement Disorders.
- Multiple Carboxylase DeficiencyDr. Grier isExperienced. Learn about Multiple Carboxylase Deficiency.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- Myoclonic EpilepsyDr. Grier isExperienced. Learn about Myoclonic Epilepsy.
- N-Acetylglutamate Synthase DeficiencyDr. Grier isExperienced. Learn about N-Acetylglutamate Synthase Deficiency.
- Nakajo-Nishimura SyndromeDr. Grier isExperienced. Learn about Nakajo-Nishimura Syndrome.
- NecrosisDr. Grier isExperienced. Learn about Necrosis.
- NephrosclerosisDr. Grier isExperienced. Learn about Nephrosclerosis.
- ObesityDr. Grier isExperienced. Learn about Obesity.
- Obesity in ChildrenDr. Grier isExperienced. Learn about Obesity in Children.
- Oral HerpesDr. Grier isExperienced. Learn about Oral Herpes.
- Osmotic DiuresisDr. Grier isExperienced. Learn about Osmotic Diuresis.
- OsteoarthritisDr. Grier isExperienced. Learn about Osteoarthritis.
- OsteopeniaDr. Grier isExperienced. Learn about Osteopenia.
- OsteoporosisDr. Grier isExperienced. Learn about Osteoporosis.
- OtitisDr. Grier isExperienced. Learn about Otitis.
- ParainfluenzaDr. Grier isExperienced. Learn about Parainfluenza.
- Parainfluenza Virus Type 3Dr. Grier isExperienced. Learn about Parainfluenza Virus Type 3.
- Parkinson's DiseaseDr. Grier isExperienced. Learn about Parkinson's Disease.
- Peptic UlcerDr. Grier isExperienced. Learn about Peptic Ulcer.
- PeriodontitisDr. Grier isExperienced. Learn about Periodontitis.
- Peripheral Artery DiseaseDr. Grier isExperienced. Learn about Peripheral Artery Disease.
- Peripheral NeuropathyDr. Grier isExperienced. Learn about Peripheral Neuropathy.
- PneumoniaDr. Grier isExperienced. Learn about Pneumonia.
- Pompholyx EczemaDr. Grier isExperienced. Learn about Pompholyx Eczema.
- Postmenopausal OsteoporosisDr. Grier isExperienced. Learn about Postmenopausal Osteoporosis.
- Protein DeficiencyDr. Grier isExperienced. Learn about Protein Deficiency.
- Recurrent Peripheral Facial PalsyDr. Grier isExperienced. Learn about Recurrent Peripheral Facial Palsy.
- Relapsing Multiple Sclerosis (RMS)Dr. Grier isExperienced. Learn about Relapsing Multiple Sclerosis (RMS).
- Renovascular HypertensionDr. Grier isExperienced. Learn about Renovascular Hypertension.
- ShinglesDr. Grier isExperienced. Learn about Shingles.
- SinusitisDr. Grier isExperienced. Learn about Sinusitis.
- Stasis Dermatitis and UlcersDr. Grier isExperienced. Learn about Stasis Dermatitis and Ulcers.
- Stiff Skin SyndromeDr. Grier isExperienced. Learn about Stiff Skin Syndrome.
- Subacute Combined DegenerationDr. Grier isExperienced. Learn about Subacute Combined Degeneration.
- TenosynovitisDr. Grier isExperienced. Learn about Tenosynovitis.
- ThrushDr. Grier isExperienced. Learn about Thrush.
- TracheitisDr. Grier isExperienced. Learn about Tracheitis.
- Trichohepatoenteric SyndromeDr. Grier isExperienced. Learn about Trichohepatoenteric Syndrome.
- Type 1 Diabetes (T1D)Dr. Grier isExperienced. Learn about Type 1 Diabetes (T1D).
- Urea Cycle Disorders (UCD)Dr. Grier isExperienced. Learn about Urea Cycle Disorders (UCD).
- Urinary Tract Infection (UTI)Dr. Grier isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Grier isExperienced. Learn about Urinary Tract Infection in Children.
- Vaginal Yeast InfectionDr. Grier isExperienced. Learn about Vaginal Yeast Infection.
- Vascular DementiaDr. Grier isExperienced. Learn about Vascular Dementia.
- VertigoDr. Grier isExperienced. Learn about Vertigo.
- Viral GastroenteritisDr. Grier isExperienced. Learn about Viral Gastroenteritis.
- Vitamin B12 Deficiency AnemiaDr. Grier isExperienced. Learn about Vitamin B12 Deficiency Anemia.
- West SyndromeDr. Grier isExperienced. Learn about West Syndrome.