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John T. Farrar, MD

John T. Farrar, MD Physician

Associate Professor of Epidemiology in Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
Associate Professor of Neurology

Dr. Farrar is a Penn Medicine employed physician.

Clinical Specialties


  • Anesthesiology and Critical Care

Programs & Services:

  • Anesthesiology and Critical Care

Board Certification:

  • Neurology, 1995

Clinical Interests

Focuses on all aspects of pain and symptom therapy in cancer patients as a member of the Symptom and Palliative Care Team and as a collaborator in the development of a multi-disciplinary program for the evaluation and treatment of patients with pain.

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Care
  • Rail Road Medicare / Palmetto GBA
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: University of Rochester School of Medicine
Residency: Lucile Packard Children's Hospital
Residency: NewYork-Presbyterian/Weill Cornell Medical Center
Fellowship: Memorial Sloan-Kettering Cancer Center
Medical School: University of Pennsylvania School of Medicine


Abbott Labortories, Incorporated, National Adolor Corporation, National American College of Epidemiology, National American Pain Society, National American Society for Clinical Pharmacology and Therapeutics, National Anesta Corporation, National Dannemiller Foundation, National Endo Pharmaceuticals, National Faulding Pharmaceuticals, National Food and Drug Administration, Anesthetic and Life Support Drugs Advisory Board, National Indian Clinical Epidemiology Network, International Initiative on Methods, Measurement, and Pain Assessment on Clinical Trials (IMMPACT), National Institute of Medicine Committee, Report on Relief of Pain in America, National International Association for the Study of Pain, International International Society for Pharmaco-Epidemiology, International National Academy of Science Panel, Handling Missing Data in Clinical Trials., National National Institutes of Health NAME Scientific Review Committee, National National Institutes of Health NCCAM CERC Scientific Review Committee, National National Institutes of Health NIDCR ZDE1 VH22 Ad Hoc Scientific Review Committee for R34 and U01s, National Parke-Davis, National Pennsylvania Cancer Pain Initiative Steering Committee, Local Pfizer, Medical and Academic Partnership in Pain Management, National Pfizer, National Philadelphia Pain Society, Local Purdue Pharma, National The American Academy of Neurology, National UCB Pharma, Incorporated, National


Dr. Farrar is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.


Research Interests:

Research related to pain including the use of new pain medications, brain function in people with pain, complementary and alternative therapies, and new methodologies for understanding how patients report their pain in clinical trials. Current research includes ongoing studies of acupuncture for the treatment of pain in osteo-arthritis patients and chronic fatigue in cancer patients, brain imaging of patients with pain, and studies of cancer treatment related pain.

Selected Publications:

Mao J, Farrar JT, Bruner DW, Zee J, Bowman M, Seluzicki C, DeMichele A, Xie S: Electro-acupuncture for fatigue, sleep, and psychological distress in breast cancer patients with aromatase inhibitor-related arthralgia: A randomized trial Cancer : 2014, in press.

McKeowan A. Gewandter JS, McDermott MP, Pawlowski JR, Poli JJ, Rothstein D, Farrar JT, Gilron I, Katz NP, Lin AH, Rappaport BA, Rowbotham MC, Turk DC, Dworkin RH, Smith SM: Reporting of sample size calculations in analgesic clinical trials: ACTTION systematic review J. Pain : 2014.

Sandhu SK, Halpern CH, Vakhshori V, Farrar JT, Lee JYK.: Brief Pain Inventory Facial - Minimal Clinically Important Difference Journal of Neurosurgery : 2014.

Farrar JT: The placebo response Journal of the peripheral nervous system: JPNS (Suppl 2): 520-2,2014.

Farrar JT, Troxel AB, Haynes K, Gilron I, Kerns RD, Katz PK, Rappaport BA, Rowbotham MC, Turk DC, Dworkin RH: The Effect of Variability in the 7 day Baseline Pain Diary on the Assay Sensitivity of Neuropathic Pain Pain 155 (8): 1622-31,2014.

Snyder PJ, Ellenberg SS, Cunningham GR, Matsumoto AM, Bhasin S, Barrett-Connor E, Gill TM, Farrar JT, Cella D, Rosen RC, Resnick SM, Swerdloff RS, Cauley JA, Cifelli D, Fluharty L, Pahor M, Ensrud KE, Lewis CE, Molitch ME, Crandall JP, Wang C, Budoff MJ, Wenger NK, Mohler ER 3rd, Bild DE, Cook NL, Keaveny TM, Kopperdahl DL, Lee D, Schwartz AV, Storer TW, Ershler WB, Roy CN, Raffel LJ: The Testosterone Trials: Seven coordinated trials of testosterone treatment in elderly men Clin Trials 11 (3): 362-375,2014.

Mao JJ, Xie SX, Farrar JT, Stricker CT, Bowman MA, Bruner D, DeMichele A: A randomised trial of electro-acupuncture for arthralgia related to aromatase inhibitor use. European journal of cancer (Oxford, England : 1990) 50 (2): 267-76,2014.

Speck RM, Bond DS, Sarwer DB, Farrar JT: A systematic review of musculoskeletal pain among bariatric surgery patients: implications for physical activity and exercise. Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 10 (1): 161-70,2014.

Chim K, Xie SX, Stricker CT, Li QS, Gross R, Farrar JT, DeMichele A, Mao JJ: Joint pain severity predicts premature discontinuation of aromatase inhibitors in breast cancer survivors. BMC cancer 13 : 401,2013.

Chen LX, Mao JJ, Fernandes S, Galantino M, Guo W, Lariccia P, Teal VL, Bowman MA, Schumacher RH, Farrar JT: Integrating acupuncture with exercise-based physical therapy for knee osteoarthritis: a randomized controlled trial. Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases 19 (6): 308-16,2013.

Academic Contact Info

Room 816, Blockley Hall
423 Guardian Drive

Philadelphia, PA 19104-6021
Phone: (215) 898-5802
Fax: (215) 573-5315
Patient appointments: 800-789-PENN (7366)

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