Our Clinical Standard: Evidence-Based, Physician-Reviewed Health Information
At HealthZeen, clinical integrity is our highest priority. Digital health information requires absolute precision, which is why our content is rigorously examined, fact-checked, and corroborated by board-certified medical doctors.
Our Medical Review Board comprises active US clinicians covering internal medicine, musculoskeletal health, oncology, psychiatry, cardiology, dermatology, and infectious diseases. Every article published on HealthZeen undergoes expert clinical oversight to ensure alignment with current clinical practice guidelines established by the CDC, FDA, NIH, and major US medical specialty boards.
Meet Our Medical Reviewers
Dr. Muhammed A. Niaz, MD
- Primary Specialty: Internal Medicine & Family Medicine
- Clinical Experience: 10+ Years
- Core Review Focus: Primary care, acute viral/bacterial infections, hypertension, preventative health, and routine screening protocols.
Dr. Nicholas Joseph Yokan, MD
- Primary Specialty: Orthopedic Surgery & Sports Medicine
- Clinical Experience: 36 Years
- Core Review Focus: Joint preservation, sports injuries, musculoskeletal trauma, physical rehabilitation protocols, and non-surgical orthopedic care.
Dr. Elizabeth Marie Tiffany, MD
- Primary Specialty: Psychiatry & Addiction Medicine
- Clinical Experience: 15 Years
- Core Review Focus: Neurodevelopmental disorders (ADHD, ADD), mood and anxiety disorders, dual diagnosis, and psychiatric pharmacotherapy safety.
Dr. Christopher J. Goulet, MD
- Primary Specialty: Gastroenterology
- Clinical Experience: 27 Years
- Core Review Focus: Upper and lower gastrointestinal disorders, esophageal motility, acid reflux (GERD), inflammatory bowel disease (IBD), and endoscopic procedures.
Dr. Heidi Bendorf Chasan, MD
- Primary Specialty: Obstetrics & Gynecology (OB-GYN)
- Clinical Experience: 25 Years
- Core Review Focus: Prenatal care, maternal-fetal wellness, hormonal transitions (perimenopause/menopause), and clinical gynecological health.
Dr. Christina Elizabeth Killoran, MD
- Primary Specialty: Dermatology
- Clinical Experience: 22 Years
- Core Review Focus: Inflammatory skin conditions (acne, eczema, psoriasis), epidermal pathology, skin cancer screenings, and clinical topical therapies.
Dr. Stephan Paul Babirak, MD
- Primary Specialty: Endocrinology, Diabetes & Metabolism
- Clinical Experience: 43 Years
- Core Review Focus: Metabolic health, Type 1 and Type 2 diabetes management, lipid disorders, thyroid dysfunction, and FDA-approved weight-management therapies.
Dr. Hilamber Subba, MD
- Primary Specialty: Pulmonology & Critical Care Medicine
- Clinical Experience: 22 Years
- Core Review Focus: Cardiopulmonary disorders, obstructive lung diseases (asthma, COPD), acute respiratory failure, and sleep-disordered breathing.
Dr. Glenn Michael Johnson, MD
- Primary Specialty: Cardiology & Cardiovascular Disease
- Clinical Experience: 48 Years
- Core Review Focus: Ischemic heart disease, rhythm abnormalities (arrhythmias, atrial fibrillation), hemodynamic monitoring, and cardiovascular risk reduction.
Dr. Nathan Harvey Fischman, MD
- Primary Specialty: Urology & Nephrology
- Clinical Experience: 48 Years
- Core Review Focus: Genitourinary pathology, benign prostatic hyperplasia (BPH), prostate health, renal function preservation, and urinary diagnostics.
Fawad A. Khan, MD
- Primary Specialty: Neurology & Clinical Neurophysiology
- Clinical Experience: 21 Years
- Core Review Focus: Intractable headaches, migraines, seizure management, clinical neurophysiology (EEG), and chronic neurological diseases.
Dr. Hazem Nassif, MD
- Primary Specialty: Infectious Disease & Internal Medicine
- Clinical Experience: 33 Years
- Core Review Focus: Systemic infections, bacterial sepsis, antimicrobial therapy protocols, viral illnesses, and public health immunization guidelines.
How Our Medical Review Process Works
- Evidence-Based Drafting: Articles are produced using reputable primary sources, peer-reviewed clinical studies (PubMed/MEDLINE), and guidance from US health agencies.
- Specialist Evaluation: A reviewer whose clinical specialty directly matches the article topic evaluates the draft for diagnostic accuracy, clinical nuance, and safety.
- Fact-Checking & Dosage Verification: Over-the-counter and prescription guidance, safety warnings, and contraindications are confirmed against FDA drug databases.
- Clinical Approval & Timestamping: Once approved, the article receives our verified “Medically Reviewed By” badge alongside the reviewing physician’s credentials, NPI reference, and the review date.
Editorial Independence & Corrections
HealthZeen’s medical reviewers operate with complete editorial autonomy. Commercial partnerships and sponsor relationships never influence clinical assessments or medical reviews. If new research or federal guidance updates a standard of care, our team reviews and updates the relevant literature promptly.
