Primary Care Providers

Howard Brown Health, 4025 N. Sheridan Rd.

Cori Blum, MD, AAHIVS

Site Medical Director

(Any pronouns said with respect)

Education and training

  • Fellowship in Faculty Development, John H. Stroger Hospital of Cook County, Department of Family & Community Medicine, 2005-2006
  • Residency in Family & Community Medicine, Cook County-Loyola-Provident Family Practice Residency, 2002-2005
  • MD, University of Hawai’i John A. Burns School of Medicine, 2002
  • BA, Sarah Lawrence College, 1991

Professional history

  • Midwest AIDS Education & Training Center (MATEC), Faculty, 2010-present
  • University of Illinois at Chicago, Clinical Assistant Professor, 2006-present
  • Chicago Department of Public Health, HIV/STI Division, Medical Director, 2015
  • Chicago Department of Public Health, HIV/STI Division, Supervising Physician, 2007-2014
  • Beloved Community Family Wellness Center, Medical Director, 2006-2007
  • Infant Welfare Society of Chicago, Attending Physician, 2005-2006
  • Cook County Well-Woman/Family Planning Clinic, Attending Physician, 2004-2005

Interests

  • HIV/STI prevention and care
  • Sexual and reproductive health and justice
  • Gender-affirming care

 


Sarah Assian, PA-C

Physician Assistant

(she/her/hers)

Education

  • Bachelor of Science, Molecular Biology, University of Illinois
  • Masters of Science, Physician Assistant Studies, Stony Brook University

Professional History

  • NYU Langone Medical Center, Critical Care Physician Assistant
  • Urban Health Plan, Primary Care Physician Assistant

Certifications

  • Certified Physician Assistant, NCCPA

Interests

  • Running, yoga, traveling, and playing with my dog Penny

Cory Brown – MD, FACP, FAAP, AAHIVS

Staff Physician

(he/him/his)

Education & Training

  • Bachelors of Arts, George Brigham Young University
  • MD Combined Internal Medicine and Pediatrics Program, Washington University
  • Internship Combined Internal Medicine and Pediatrics Program, St. Vincent’s Hospital at New York Medical College
  • Residency, University of South Florida

Professional History

  • Primary Care physician for all ages and family members
  • Internal Medicine for Adults Pediatrics for Children

Specialty areas and certifications

  • Dual board-certified in Internal Medicine and Pediatrics

Interests

  • Chronic disease maintenance
  • Genetics
  • End-of-life care
  • Child development
  • Psychosocial impact of chronic disease
  • Palliative care

Cathy Creticos, MD

Attending Physician and Associate Medical Director

(she/her/hers)

Education and Training

  • University of Chicago Medical School
  • University of Chicago Pritzker School of Medicine Internship and Residency
  • Loyola University of Chicago and University of Illinois at Chicago, Fellowship in Infectious Diseases

Specialty areas and certifications

  • Infectious Diseases and Internal Medicine

Professional History

  • Specialist and Consultant in infectious diseases at Advocate Illinois Masonic Medical Center and Rush North Shore Medical Center
  • Medical Director of MATEC (Midwest AIDS Training and Education Center)
  • Physician Educator for MATEC
  • Staff Physician at Howard Brown Health since 1996

Kaiyti Duffy, MD, MPH

Physician

(she/her/hers)

Education and Training

  • University of Illinois at Chicago College of Medicine
  • Tulane University School of Public Health, Concentration in Health Education and Maternal/Child Health
  • Tulane University, BA, Major English and Women’s Studies, Minor Spanish

Professional History

  • McGaw Medical Center/Erie Family Health Center, Resident in Family Medicine
  • Physicians for Reproductive Health, Director of Research and Medical Education

Interests

  • Women’s reproductive and sexual health
  • LGBT health including transgender medicine and alternative insemination
  • healthcare to the undocumented and underserved
    adolescents and young adults
  • Bilingual medicine (fluent in Spanish)

 MichelleEvers

Michelle Evers, CNP, AAHIVS

Certified Nurse Practitioner

(she/her/hers)

Education & Training

  • College of Mount Saint Joseph Cincinnati, Ohio
  • Bachelors of Nursing Rush University College of Nursing Adult Nurse Practitioner
  • Masters of Science in Nursing at Rush University

Professional history

  • West Loop Internal Medicine, Adult Nurse Practitioner
  • Rush Medical Center, Staff Nurse
  • Chase Brexton Health Services, Public Health Nurse
  • University of Cincinnati, Infectious Disease, HIV Intake and Adherence Nurse

Specialty areas and certifications

  • Member of the Association of Nurses in AIDS Care (ANAC)

Interests

  • HIV/AIDS
  • Infectious Disease
  • International Health Care
  • LGBT health

Sara Flanagan, APN, NP-C

Family NURSE PRACTITIONER

(she/her/hers)

Education

  • Bachelor of Science in Nursing, The University of Iowa
  • Master of Science in Nursing- Family Nurse Practitioner, Rush University

Professional History

  • Loyola University Chicago-Medical Provider
  • Howard Brown Health Center-Medical Provider
  • Retail Clinic- Resource Medical Provider
  • Northshore University Health System- Resource Medical Provider
  • Northwestern Memorial Hospital- Staff Nurse 

Specialty Areas / Certifications

  • American Academy of Nurse Practitioner 0073

Interests

  • Family Practice
  • Transgender health
  • LGBTQ health
  • Adolescent health
  • HIV Prevention and Care
  • Sexual and Reproductive Health

Aiden Harrington, APN, CNM, AAHIVS

Advanced Practice Nurse

(they/them/their or Saur)

Education & Training

  • Masters of Science, New York University, College of Nursing
  • Bachelors of Science, New York University, College of Nursing

Professional History

  • Advanced Practice Clinician, Planned Parenthood of Northern New England
  • Registered Nurse – Internal Medicine, NYU Langone Medical Center
    Specialty Areas and Certifications
  • Primary Care
  • Transgender Health
  • HIV Prevention and Care
  • Sexual & Reproductive Health
  • Pregnancy & Abortion Services
  • Cervical Screening & Colposcopy
  • Member, ACNM (American College of Nurse Midwives)
  • Member, ASCCP (American Society for Colposcopy & Cervical Pathology)
  • Member, ASRM (American Society for Reproductive Medicine)
  • Member, NAF/ Clinicians for Choice
  • Member, Sigma Theta Tau International, Nursing Honors Society
  • Member, World Professional Association for Transgender Health

 Interests

  • Social, Sexual, and Reproductive Justice
  • Sexual and Gender Minority Communities, e.g. LGBTQQI, kink/leather/BDSM, non-monogamy/ polyamory, and sex work

Magda Houlberg, MD, AAHIVS

CHIEF CLINICAL OFFICER

(they/them/theirs or she/her/hers)

Education & Training

  • Bachelors of Science in Biology, Antioch College
  • MD Internal Medicine Program, Rush University Medical College,
  • Internship and Residency Section of Geriatrics, Rush University Medical College
  • Geriatric Medicine Fellowship, Rush University Medical College

Professional History

  • Provider of Internal Medicine, HIV and geriatric medicine care at Howard Brown
  • Assistant Professor in the Section of Geriatric Medicine
  • Palliative Care at Rush University Medical Center

Specialty area and certifications

  • Internal Medicine
  • Geriatric Medicine

Interests

  • LGBTQ aging
  • Interdisciplinary medical care for populations at risk
  • HIV care and prevention
  • Gender affirming care/transgender medicine
  • Sexual health
  • Older adults/geriatrics
  • Palliative care
  • Hepatitis C treatment
  • Biomedical research

Josh Lopez, FNP

Family Nurse PRACTITIONER

(he/him/his)

Education

  • Master of Science-Nursing, Northern Illinois University
  • Bachelor of Science-Nursing,  Northern Illinois University

Specialty Areas / Certifications

  • Family Nurse Practitioner, American Association of Nurse Practitioner

Graham McMahon, MD, MMSc

endocrinologist

(he/him/his)

Education

  • D., Royal College of Surgeons in Ireland
  • M.Sc., Harvard Medical School

Professional History

  • Accreditation Council for Continuing Medical Education, CEO and President
  • Adjunct Professor of Medical Education, Northwestern University
  • Brigham and Women’s Hospital, Endocrinologist and Program Director
  • Harvard Medical School, Associate Dean and Associate Professor
  • New England Journal of Medicine, Editor for Medical Education

Specialty Areas / Certifications

  • Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine
  • Internal Medicine, American Board of Internal Medicine

Interests

  • Diabetes care
  • Thyroid problems
  • Transgender care

Jenna Rawski, APRN, CNP

Family Nurse Practitioner

(she/her/hers)

Education

  • BSN, School University of Toledo BSN
  • MSN, School University of Toledo MSN

Professional History

  • Army Reserve, Nurse Practitioner
  • Urgent Care Extra, Nurse Practitioner, Las Vegas, NV

Interests

  • I enjoy the beach life every chance I can get: whether its lounging, reading, cycling on the beaches of Chicago, or traveling to go to a beach to do all of those things. I enjoy animals, dogs more than cats, cooking and experimenting with paleo recipes and shopping online when not at the beach.

Valerie Tobin, MS, ANP, PMHCNS-BC

Clinical Nurse Specialist

(she/her/hers)

Education

  • Bachelor of Arts, Sociology, Bryn Mawr College
  • Master of Science, Advanced Practice Pediatric Nursing, University of California, San Francisco
  • Post-Master’s, Child/Adolescent Psychiatric Mental Health Nursing, University of California, San Francisco
  • Rush University, Future of Nursing Scholar, Expected PhD 2020

Professional History

  • Transgender Clinic, Legacy Emanuel, multidisciplinary clinic for gender minority people up to age 18. Portland, OR
  • CARESNW, treatment program for child and adolescent victims of abuse, Portland, OR
  • Private Practice
  • Multidisciplinary
  • Community Mental Health
  • School Based Health Center

Specialty Areas / Certifications

  • Child/Adolescent Psychiatric Mental Health Clinical Nurse Specialist, Board Certification, ANCC
  • Leadership Education in Adolescent Health Traineeship

Interests

  • Affirmative care for gender diverse children, adolescents, and their families
  • Affirmative care for sexual minority adolescents and their families
  • Trauma recovery
  • Adolescent development