Physician
Family Medicine
Dr. Ivan N. Mefford, MD
|
|
Give Review
Ivan Mefford practices Family Medicine. He went to medical school at Duke University School of Medicine. Duke University School of Medicine is one of the top medical schools in the US. Duke University School of Medicine is ranked 8/29 in Research/PrimaryCare. He has 1 awards "CMS Meaningful Use Stage 1 Certification". Ivan Mefford is also a published physician. He has 99 publication published. The most recent publication is: Liquid chromatographic analysis of catecholamines routine assay for regional brain mapping. He accepts Medicare.
Publications
- Improved diabetes control and pancreatic function in a type 2 diabetic after omeprazole administration.
- Proton pump inhibitor therapy associated with lower glycosylated hemoglobin levels in type 2 diabetes.
- Epinephrine distribution in human brain.
- Epinephrine localization in human brain stem.
- Vagal tone decreases following intravenous diazepam.
- Increased CSF HVA with craving in long-term abstinent cocaine abusers.
- NIH conference. Alcohol withdrawal and noradrenergic function.
- Behavioral, hormonal and neurochemical characteristics of aggressive alpha-mice.
- Electrophysiological and neurochemical correlates of the neurotoxic effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) on central catecholamine neurons in ...
- Deficits in behavioral initiation and execution processes in monkeys with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced parkinsonism.
- Behavioral recovery from MPTP-induced parkinsonism in monkeys after intracerebral tissue implants is not related to CSF concentrations of dopamine metabolites.
- In vivo changes of catecholamines in hemiparkinsonian monkeys measured by microdialysis.
- Liquid chromatographic analysis of catecholamines routine assay for regional brain mapping.
- Determination of reduced glutathione in guinea pig and rat tissue by HPLC with electrochemical detection.
- Lateralization of norepinephrine in human thalamus.
- Hypertension after intraoperative autotransfusion in bilateral adrenalectomy for pheochromocytoma.
- Early-onset alcoholics have lower cerebrospinal fluid 5-hydroxyindoleacetic acid levels than late-onset alcoholics.
- Cerebrospinal fluid monoamine metabolites in boys with attention-deficit hyperactivity disorder.
- Simultaneous determination of catecholamines and unconjugated 3,4-dihydroxyphenylacetic acid in brain tissue by ion-pairing reverse-phase high-performance liquid chrom...
- Central and peripheral contributions to hypothalamic epinephrine.
- Catecholamines, dopamine, and endorphin levels during extreme exercise.
- Central epinergic inhibition of corticosterone release in rat.
- In vivo intraneuronal MAO inhibition in rat brain SKF 64139, comparison to other potent PNMT inhibitors.
- Regional distribution of ascorbate in human brain.
- Determination of plasma catecholamines and free 3,4-dihydroxyphenylacetic acid in continuously collected human plasma by high performance liquid chromatography with el...
- LCEC analysis of indoles in biological tissues.
- Clonidine: basic and clinical perspectives.
- Changes in rat hypothalamic and brain stem catecholamine concentrations following acute administration of phenylethanolamine-N-methyltransferase inhibitors.
- 5-hydroxytryptophan elevates serum melatonin.
- Epinephrine and norepinephrine responses in continuously collected human plasma to a series of stressors.
- Narcolepsy: cholinergic receptor changes in an animal model.
- Cerebrospinal fluid epinephrine concentrations: discrimination of subtypes of depression and schizophrenia.
- Hyperserotonemia and platelet serotonin uptake and release in schizophrenia and affective disorders.
- In vitro and in vivo depolarization coupled efflux of ascorbic acid in rat brain preparations.
- Femtogram detection limits for biogenic amines using microbore HPLC with electrochemical detection.
- Reciprocal day/night relationship between serotonin oxidation and N-acetylation products in the rat pineal gland.
- Narcolepsy: biogenic amine deficits in an animal model.
- Distribution of norepinephrine, epinephrine, dopamine, serotonin, 3,4-dihydroxyphenylacetic acid, homovanillic acid and 5-hydroxyindole-3-acetic acid in dog brain.
- Application of high performance liquid chromatography with electrochemical detection to neurochemical analysis: measurement of catecholamines, serotonin and metabolite...
- Determination of tryptophan and metabolites in rat brain and pineal tissue by reversed-phase high-performance liquid chromatography with electrochemical detection.
- Day/night differences in pineal indoles in the adult pigeon (Columba livia).
- Carboxypeptidase B activity from adrenal medulla--is it involved in the processing of proenkephalin?
- Tyrosine hydroxylase activation. Comparison of in vitro phosphorylation and in vivo administration of haloperidol.
- Catecholamine secretion as a function of perceived coping self-efficacy.
- Serum melatonin and pineal indoleamine metabolism in a species with a small day/night N-acetyltransferase rhythm.
- Determination of catecholamines in tissue and body fluids using microbore HPLC with amperometric detection.
- Developmental changes in rat brain epinephrine levels.
- Neurotensin and cholecystokinin microinjected into the ventral tegmental area modulate microdialysate concentrations of dopamine and metabolites in the posterior nucle...
- Biogenic amines distribution in the brain of nervous and normal pointer dogs. A genetic animal model of anxiety.
- A cerebrospinal fluid study of the pathophysiology of panic disorder associated with alcoholism.
- Effects of different semipermeable membranes on in vitro and in vivo performance of microdialysis probes.
- Hypothalamic-pituitary-adrenocortical activity in panic disorder: relationship to plasma catecholamine metabolites.
- Repeated coronary artery spasm in a young woman with the eosinophilia-myalgia syndrome.
- Ovine pineal indoles: effects of L-tryptophan or L-5-hydroxytryptophan administration.
- CSF dopamine levels correlate with extraversion in depressed patients.
- Microbore HPLC of biogenic amines in small biological samples.
- Application of a novel cation-exchange reagent, Igepon T-77 (N-methyl oleoyl taurate), to microbore separations of alumina extracts of catecholamines from cerebrospina...
- Chromatographic approaches to signal and selectivity enhancement for determination of biogenic amines by liquid chromatography with amperometric detection.
- Are there epinephrine neurons in rat brain?
- Separation of deuteriated isotopomers of dopamine by ion-pair reversed-phase high-performance liquid chromatography.
- Epinephrine in mammalian brain.
- Both the sigma receptor-specific ligand (+)3-PPP and the PCP receptor-specific ligand TCP act in the mouse vas deferens via augmentation of electrically evoked norepin...
- Ovine pineal alpha 1-adrenoceptors: characterization and evidence for a functional role in the regulation of serum melatonin.
- Enhancement of dopamine metabolism in rat brain frontal cortex: a common effect of chronically administered antipsychotic drugs.
- Epinephrine, norepinephrine and dopamine concentrations in amphibian brain.
- Biomedical uses of high-performance liquid chromatography with electrochemical detection.
- Acute effect of intragastric ethanol administration on plasma levels of stress hormones.
- Measurement of tryptophan hydroxylase activity in rat pineal glands and pinealocytes using an HPLC assay with electrochemical detection.
- Evidence for the presence of PNMT-containing cell bodies in the hypothalamus.
- Effects of xylazine on cerebrospinal fluid catecholamines in the rhesus monkey.
- Single-dose ethanol administration activates the hypothalamic-pituitary-adrenal axis: exploration of the mechanism of action.
- A neuroanatomical and biochemical basis for attention deficit disorder with hyperactivity in children: a defect in tonic adrenaline mediated inhibition of locus coerul...
- Effect of single and repeated electroconvulsive shock on the hypothalamic-pituitary-adrenal axis and plasma catecholamines in rats.
- Activation in young rats induced by LY134046, an inhibitor of phenylethanolamine N-methyltransferase.
- Lauroyl sarcosine: a weak cation-exchange reagent for on-column modification of reversed-phase material.
- Modification of reversed-phase separations of small molecules using non-ionic surfactants and mixed ionic-non-ionic surfactants.
- Interacting neurotransmitter systems. A non-experimental approach to the 5HIAA-HVA correlation in human CSF.
- Rapid nocturnal increase in ovine pineal N-acetyltransferase activity and melatonin synthesis: effects of cycloheximide.
- Epinephrine accumulation in rat brain after chronic administration of pargyline and LY 51641--comparison with other brain amines.
- Serotonin and schizophrenia: correlations between serotonergic activity and schizophrenic motor behavior.
- Increased biogenic amine release in mouse hypothalamus following immunological challenge: antagonism by indomethacin.
- Serotonin in human lumbar cerebrospinal fluid: a reassessment.
- Indomethacin prevents increased catecholamine turnover in rat brain following systemic endotoxin challenge.
- Stimulant drug treatment of hyperactivity: biochemical correlates.
- Antagonism of ethanol intoxication in rats by inhibitors of phenylethanolamine N-methyltransferase.
- Increased ratio of quinolinic acid to kynurenic acid in cerebrospinal fluid of D retrovirus-infected rhesus macaques: relationship to clinical and viral status.
- Reduction of arginine vasopressin binding sites in mouse lateral septum by treatment with 6-hydroxydopamine.
- Quantitative microdialysis: analysis of transients and application to pharmacokinetics in brain.
- Effects of morphine administration on catecholamine levels in rat brain; specific reduction of epinephrine concentration in hypothalamus.
- Levels of biogenic amines, their metabolites, and tyrosine hydroxylase activity in the human epileptic temporal cortex.
- Plasma catecholamines and their metabolites in obsessive-compulsive disorder.
- Lithium effects on noradrenergic-linked adenylate cyclase activity in intact rat brain: an in vivo microdialysis study.
- Cytokine-induced activation of the neuroendocrine stress axis persists in endotoxin-tolerant mice.
- Quantitative examination of tissue concentration profiles associated with microdialysis.
- Hippocampal 5-HT1A receptor binding site densities, 5-HT1A receptor messenger ribonucleic acid abundance and serotonin levels parallel the activity of the hypothalamo-...
- Facile oxidative decarboxylation of 3,4-dihydroxyphenylacetic acid catalyzed by copper and manganese ions.
- Hippocampal 8-[3H]hydroxy-2-(di-n-propylamino) tetralin binding site densities, serotonin receptor (5-HT1A) messenger ribonucleic acid abundance, and serotonin levels ...
- Proton pump inhibitors as a treatment method for type II diabetes.
Schools
Duke University
University Tx Med School At Houston
Doctors Specialties
- Family Medicine
Accepted Insurances
- Aetna HMO
- Choice Plus POS II
- American Republic
- Amerigroup (Wellpoint)
- Blue Card PPO
- Blue Advantage HMO
- Blue Choice
- CHAMPVA
- Cigna HMO
- Cigna PPO
- Great West Healthcare-Cigna PPO
- Open Access Plus
- Commercial Insurance Company
- Coventry Health Care
- First Health (Coventry Health Care) PPO
- Health Alliance
- Medicare Advantage PFFS
- HealthSmart
- Choice Care PPO
- Preferred PPO
- Medicaid
- Medicare MCR
- Meritain Health
- Molina
- MultiPlan PPO
- PHCS Network PPO
- NGS CoreSource
- Old Surety Life Insurance CompanyMedicare MCR
- Pyramid Life
- Thrivent Financial
- Tricare
- UniCare
- Choice Plus POS
- Navigate HMO
- Navigate POS
- Options PPO
- United Healthcare
Awards
- CMS Meaningful Use Stage 1 Certification
Education
-
University of Texas Health Science Center -
Duke University School of Medicine
Hospital
-
OakBend Medical Center
Drug Facts
| NPI NUMBER | 1184672404 | |
| NPPES Provider LastName | MEFFORD | |
| NPPES Provider FirstName | IVAN | |
| NPPES Provider ZIPCode | 774693218 | |
| NPPES Provider State | TX | |
| Specialty Description | Family Practice | |
| Total Claim Count | 10635.0 | |
| Distinct Opioid Count | 4.0 | |
| Opioid Claim Count | 242.0 | |
| Percent Opioid Claims | 2.28 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1184672404 |
| Last Name Of The Provider | MEFFORD |
| First Name Of The Provider | IVAN |
| View All |
Similar Doctors
|
|
Dr. Teddy Gonzalez, MD |
|
|
Dr. Nanthaphonge Chiranand, MD
 This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Tra T. Nguyen, MD |
|
|
Jaime A. Olmo Jr., LSA |
|
|
Dr. Ekpedeme U. Wade, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Margaret E. Umah, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Suklesh F. Dandona, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Wena Chiranand, MD |
|
|
Dr. Mehjabin I. Parkar, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Jimmy D. Robertson, MD |
|
|
Dr. Jeffrey E. Liang, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Stanley E. Thompson, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Julio C. Molina, MD |