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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 Associate 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.

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

Clinical Specialties


  • Infectious Diseases

Programs & Centers:

Board Certification:

  • Infectious Disease, 2011
  • Internal Medicine, 2009

Clinical Expertise:

  • Aspergillosis
  • Bone Infection (Osteomyelitis)
  • C. Difficile (Clostridium Difficile Diarrhea)
  • Cellulitis
  • Flu (Influenza)
  • Flu Shot Vaccination
  • Genital Warts (Condyloma Acuminatum)
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Herpes Simplex Virus (HSV)
  • HIV and AIDS
  • Joint Infection
  • Lyme Disease
  • Malaria
  • Meningitis
  • Mycobacterium
  • Pneumonia
  • Prosthetic Joint Infection
  • Sexually Transmitted Diseases (STD)
  • Shingles
  • Staph Infection
  • Swollen Lymph Nodes
  • Syphilis
  • Travelers' Diarrhea
  • Tuberculosis (TB)
View More

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • 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 Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Provider Partners Health Plan
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program

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 (ACP), National Association of American Medical Colleges (AAMC), National Clerkship Directors in Internal Medicine, National Infectious Diseases Society of America (IDSA), National Philadelphia Community Antimicrobial Stewardship Collaborative, Local Society for Healthcare Epidemiology of America (SHEA), 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:

Dutcher L, Degnan K, Lautenbach E, Pegues D, David MZ, Cluzet V, Cressman L, Bilker W, Tolomeo P, Adu-Gyamfi A, Hamilton KW: Improving outpatient antimicrobial prescribing for respiratory tract infections IDWeek : 2019.

Ruggero MA, Redline G, Weiss SJ, Binkley S, Hamilton KW: Evaluation of vancomycin levels following weight-based pre-operative and re-warming vancomycin dosing in cardiac surgery IDWeek : 2019.

Burns J, Mersinger K, Saw S, Morgan S, Athans V, Dutcher L, Pegues D, Degnan K, Binkley S, Hamilton K: Characterization of antibiotic superutilizers in the inpatient setting IDWeek : 2019.

White M, Lenzi K, Dutcher L, Saw S, Morgan S, Binkley S, Athans V, Cimino C, Degnan K, Hamilton K: Impact of levofloxacin MICs on outcomes with levofloxacin step-down therapy in Enterobacteriaceae bloodstream infections IDWeek : 2019.

Huggins J, Barnett I, Hamilton K: Use of a machine learning-based prediction model to guide antibiotic de-escalation in the treatment of urinary tract infections IDWeek : 2019.

Szymczak JE, Muller BM, Shakamuri N, Hamilton K, Gerber JS, Dumvati G, Fridkin S, Lautenbach E: The path of least resistance: Prescriber perceptions of fluoroquinolones, extended-spectrum cephalosporins and Clostridium difficile infection Society for Healthcare Epidemiology of America Annual Conference : 2019.

Chen AI, Bilker WB, Hamilton KW, O'Donnell JA, Nachamkin I: Blood culture utilization at an academic hospital: Addressing a gap in benchmarking Infect Control Hosp Epidemiol 39 (11): 1353-1359,2018.

Luther VP, Shnekendorf R, Abbo LM, Advani S, Armstrong WS, Barsoumian AE, Beeler CB, Bystritsky R, Cherabuddi K, Cohen S, Hamilton KW, Ince D, Justo JA, Logan A, Lynch JB, Nori P, Ohl CA, Patel PK, Pottinger PS, Schwartz BS, Stack C, Zhou Y: Antimicrobial Stewardship Training for Infectious Diseases Fellows: Program Directors Identify a Curriculum Need Clin Infect Dis 67 (8): 1285-1287,2018.

Malhotra NR, Piazza M, Demoor R, McClintock SD, Hamilton K, Sharma N, Osiemo B, Berger I, Hossain E, Borovskiy Y, Maloney E, Smith LJ, Grady MS: Impact of Reduced Preincision Antibiotic Infusion Time on Surgical Site Infection Rates: A Retrospective Cohort Study Ann Surg : 2018.

Huang Kuan-Hsiang G, Cluzet V, Hamilton K, Fadugba O: The Impact of Reported Beta-Lactam Allergy in Hospitalized Patients With Hematologic Malignancies Requiring Antibiotics Clin Infect Dis 67 (1): 27-33,2018.

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)