Find a Doctor or Practice Location

Are you a referring physician?
I am searching for a
Reset Form
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.

Request an Appointment
No Patient Satisfaction Reviews
Why not?

There is no publicly available rating for this medical professional for one of the following reasons:

  1. He or she is not employed by Penn Medicine.
  2. He or she does not see patients.
  3. He or she sees patients but has not yet received the minimum 30 patient satisfaction reviews in the past 12 months, ensuring that the rating is statistically reliable and a true reflection of patient satisfaction.

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

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, Umscheid CA.: 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, Yang Y.: 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, Hamilton KW.: 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, Pegues DA.: 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, Hamilton KW.: Clofazimine in Rapidly Growing Mycobacterial Infection. IDWeek : 2017.

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

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

Huang KG, Cluzet V, Hamilton K, Fadugba O.: 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, Zhang Q.: All-cause mortality in patients with non-tuberculous mycobacterial lung disease in a large US managed care population. Chest : 2017.

Hamilton K: 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)