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Keith W. Hamilton, MD

Keith W. Hamilton, MD Physician

Director of Antimicrobial Stewardship Director of Infectious Diseases Transition Service Director of Internal Medicine Clerkship Assistant Professor of Clinical Medicine

Dr. Hamilton is employed by Penn Medicine.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Overall Ratings

Patient Comments

Clinical Specialties


  • Infectious Diseases

Programs & Centers:

Board Certification:

  • Infectious Disease, 2011
  • Internal Medicine, 2009

Clinical Expertise:

  • Bone Infection (Osteomyelitis)
  • Epidemiology
  • Multi-drug Resistant Organisms (MDROs)
  • Mycobacterial Infections
  • Soft Tissue Infection

Description of Clinical Expertise

Treatment of Non-tuberculous mycobacterial infections
Infection Control
Healthcare Epidemiology
Antimicrobial Stewardship
General Infectious Diseases

Practice Locations and Appointments

  • Penn Infectious Diseases

    Perelman Center for Advanced Medicine South Pavilion, 4th Floor 3400 Civic Center Boulevard Philadelphia, PA 19104 800-789-7366 (PENN)

    A facility of the Hospital of the University of Pennsylvania

Insurance Accepted

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

Education and Training

Medical School: University of Pennsylvania School of Medicine
Residency: Hospital of the University of Pennsylvania
Fellowship: Hospital of the University of Pennsylvania


American College of Physicians, National Association of American Medical Colleges (AAMC), National Clerkship Directors in Internal Medicine, National Outpatient Antimicrobial Stewardship Collaborative, Quality Insights, National Philadelphia Community Antimicrobial Stewardship Collaborative, Local Society for Healthcare Epidemiology of America, National

Hospital Affiliation

Dr. Hamilton is employed by Penn Medicine.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Medicine Rittenhouse Long-Term Acute Care Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.


Description of Research Expertise:

Infection Control
Healthcare Epidemiology
Antimicrobial Stewardship
Non-tuberculous mycobacterial infections

Selected Publications:

White D, Hamilton K, Pegues D, Hanish A: The impact of a computerized clinical decision support tool on inappropriate Clostridium difficile testing. Infect Control Hosp Epidemiol 38 (10): 1204-8,2017.

Agarwalla A, Weber A, Davey S, Hamilton K, Goldberg D, Rhim A: Lactulose is associated with decreased risk of Clostridium difficile-infection in decompensated cirrhosis. Clin Gastroenterol Hepatol 15 (6): 953-4,2017.

Scarpato SJ, Timko DR, Cluzet VC, Dougherty JP, Nunez JJ, Fishman NO: An Evaluation of Antibiotic Prescribing Practices upon Hospital Discharge. Infect Control Hosp Epidemiol 38 (3): 353-5,2017.

Lukaszewicz Buschen J, Mehta JM, Hamilton KW, Binkley S, Timko DR, Lautenbach E: Impact of two different antimicrobial stewardship methods on frequency of streamlining antimicrobial agents in patients with bacteremia. Infect Control Hosp Epidemiol 38 (1): 89-95,2017.

Carey GB, Kim D, Barton, G; Rubin H, Hadjiliadis D, Hansen-Flaschen J, Dorgan, D, Hines J, Blumberg E, Weikert B, Wilck M, Norris A, Tebas P: Clofazimine in Rapidly Growing Mycobacterial Infection. IDWeek : 2017.

Overly S, Peterson D, Mehta JM, Hayes S: Evaluating models used in clinical decision support for empiric antibiotic therapy. IDWeek : 2017.

Varga A, Cressman L, Lautenbach E, Cluzet V, Tolomeo P: Use of a precision antibiotic therapy (PAT) prediction model to identify multidrug-resistant Gram-negative organisms. IDWeek : 2017.

Huang KG, Cluzet V, Hamilton K: The impact of reported β-lactam allergy in hospitalized patients with hematological malignancies requiring antibiotics. American Academy of Allergy, Asthma & Immunology Annual Meeting : 2017.

Olivier K, Vinnard C, Marras TK, Hamilton K. Adjemian J, Eagle Ga, Zhang R, Chou E, Wang P: All-cause mortality in patients with non-tuberculous mycobacterial lung disease in a large US managed care population. Chest : 2017.

Médecins Sans Frontières and the West African Ebola epidemic. Emerg Infect Dis : 2017.

Academic Contact Info

Hospital of the University of Pennsylvania
3400 Spruce Street
Clinical Operations, Suite 110 Silverstein Building

Philadelphia, PA 19104
Phone: (215) 662-6995
Patient appointments: 800-789-7366 (PENN)