David Geffner, MD

David Geffner, MD, FACP, FACE

Endocrinology Santa Monica, CA

Clinical Professor of Medicine, UCLA

Office Address

  • 2020 Santa Monica Blvd.
    Suite 550
    Santa Monica, CA 90404
    Phone: (310) 828-1050
    Fax: (310) 828-2382

David Geffner, MD, FACP, FACE

Endocrinology Santa Monica, CA

Clinical Professor of Medicine, UCLA


  • Dr. Geffner is a practicing adult and pediatric endocrinologist who has worked for large medical groups across Southern California. After obtaining his M.D. at Georgetown University School of Medicine he did his internship and subsequently his residency at the Cornell Cooperating Hospital House Staff Training Program in New York. He finished fellowships in endocrinology at the New York Hospital and UCLA-Wadsworth VA where he became Assistant Chief of Endocrinology before leaving for clinical practice. He continues to teach courses and was a member of the Committee on Scientific Integrity at UCLA where he is a full clinical professor. When his is not seeing patients he is teaching fellows, residents, and medical students at UCLA affiliated hospitals. He is a member of several professional societies including the Endocrine Society, the American Association of Clinical Endocrinologists, and the American Thyroid Association. He has served on several national and local committees for several of these organizations. He is past President of the Los Angeles County Chapter of the American Diabetes Association and is an advisor to groups such as The American College of Medical Quality and the Rand Corp. He presently consults for the Medical Board of California of which he was a member, for Medicare, and for the Center for Health Dispute Resolution. He was a JACO surveyor for the California Department of Health Services and Institute for Medical Quality. He is an invited speaker at national, professional, and community meetings and has served on the editorial advisory boards and review panels for several journals as well as publishing original articles in the fields of thyroid, diabetes, calcium, adrenal, sexual function, delivery of health care, and disease state management. He is the co-chair of the Thyroid Disorders Educational Initiative and a speaker for the Diabetes Educational Initiative and several pharmaceutical companies.

Clinical Specialties & Interests

  • Endocrinology: General Endocrinology, Adrenal, Thyroid
  • Clinical Interests: Thyroid Diseases; Adrenal Glands; Triiodothyronine; Hyperthyroidism; Thyroxine; Propylthiouracil; Thyrotropin; Thyrotropin-Releasing Hormone; Hypothyroidism; Thyroid Hormones

Faculty Appointments & Work History

  • EndocrinologistSanta Monica, CA
  • EndocrinologistClinical Practice
    Westwood, CA
  • Co-ChairThyroid Disorders Educational Initiative
  • Assistant Chief of EndocrinologyNew York Hospital
  • Assistant Chief of EndocrinologyUCLA
    Wadsworth, VA
  • Past PresidentAmerican Diabetes Association
  • Co-ChairNational Thyroid Disorders Educational Program
  • Associate Physician DiplomateUCLA
    Los Angeles, CA
  • Endocrine ConsultantLa Vida and Southern California Permanente Medical Groups
    Los Angeles, CA
  • Medical DirectorMed Partners
  • FacultyNational Diabetes Education Initiative
    Lyndhurst, NJ
  • FacultyCMA/CHA Educational Patient Care Audit Workshops
  • ChiefKPC Medical Group (Formerly Friendly Hills)
    Riverside, CA
  • Clinical ProfessorDavid Geffen School of Medicine at UCLA
    Assistant Professor (1973-1974); Assistant Clinical Professor (1974-1981); Associate Clinical Professor (1981-1990)
  • Assistant ChiefWadsworth VA Hospital
    Los Angeles, CA
  • Clinical Attending, Admitting & Diagnostic ServiceSloan-Kettering Institute/Memorial Hospital for Cancer & Allied Diseases
    New York, NY
    Chief, Biology Group, Section of Epidemiology (1965)

Education & Training

  • UCLA Medical Center
  • Cornell Cooperating Hospitals
  • Brooklyn Hosp Ctr
  • Georgetown University School of MedicineGeorgetown University School of Medicine
  • New York University

Certifications & Licensure

  • CA State Medical LicenseCA State Medical License1969 - 2016
  • American Board of Internal MedicineInternal Medicine, 1971
  • American Board of Internal MedicineEndocrinology & Metabolism, 1973
  • American Board of Internal MedicineEndocrinology, Diabetes & Metabolism, 1973

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 CertificationEpicCare Ambulatory EMR, Epic Systems Corporation, 2013
  • Top Doctors:LA AreaCastle Connolly, 2013
  • Top Doctors:Southern CaliforniaCastle Connolly, 2012

Publications & Presentations


Journal Articles

  • Effect of Hydrochlorothiazide Upon Serum and Urinary Calcium in Patients with Hypoparathyroidism.  Arata RO, Mautalen CA, Geffner D, Horwith M, Medicina
  • Patterns of Recovery of the Hypothalamic-Pituitary-Thyroid Axis in Patients Taken off Chronic Thyroid Therapy.  Krugman LG, Hershman JM, Chopra IJ, Levin GA, Pekary A, Geffner DL, Chau Teco GN, J C!in Endocrin Metab
  • Hyperthyroidism. Causes, Etiology of Graves' Disease, Clinical Features, General Aspects of Treatment.  Geffner DL, Hershman JM, J Pharm Ther

Books/Book Chapters

  • International Encyclopedia of Pharmacology and Therapeutics. Chapter: Hyperthyroidism Page 169 - 192
    Geffner DL, Hershman JM
    Editors: (Hershman, J.M. and Bray, G.Pergamon Press: Oxford
  • Sexual Medicine and Counselling in Office Practice. Chapter: Hormones and Endocrine Disorders. Page 43 - 70
    Geffner DL
    Editors: Munjack, D.J. and Ozief, L.J.Little, Brown and Company, Boston


  • Propylthiouracil Blocks Extrathyroidal Conversion of Thyroxine to Triiodothyronine and Augments Thyrotropin Secretion. Geffner DL, Azukizawa M, Hershman, JM, Clin Res
  • Usefulness of the Measurement of Serum Cortisol (F) and Dehydroepiandrosterone (DHEA-S) in Diagnosis of Patients with Cushing's Syndrome. Ashcraft MW, Van Herle AS, Vener SL, Geffner DL, Endocrinology
  • Sodium lpodate in the Treatment of Hyperthyroidism. Sharp B, Reed AW, Tamagna E, Geffner, DL, Hershman, JM, Clin Res


  • Depression in Adult Onset Diabetes Mellitus. Depression and Chronic Disease, San Diego, CA
  • Diabetes Care in HMOs. Financing the Care of Diabetes Mellitus in the 1990s. Second National Conference. Washington, D.C
  • Diabetes in the VA Setting. Seven VA Medical Teleconferences

Professional Memberships

Medical Groups

  • UCLA Medical Group


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