Community Healthcare Network

Maria Pizzirusso, DNP, MPH, FNP-BC

Family Nurse Practitioner

Maria Pizzirusso, DNP, MPH, FNP-BC is a board-certified Family Nurse Practitioner. She treats patients at our Washington Heights Health Center in Manhattan. Maria earned both her Master of Science in Nursing and Doctor of Nursing Practice from the Columbia University School of Nursing. Prior to this, she earned a Master of Public Health from the Icahn School of Medicine at Mount Sinai, where her primary focus was on health promotion and disease prevention.

New patients, please call 866-246-8259 to make an appointment.

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Maria can help you with:

  • Yearly exams
  • Pediatrics (care for babies, children, and teens)
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment
  • Birth control, including IUDs and Nexplanon (long-term birth control)

  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Headache/migraine, nerve pain, back/neck pain, memory problems, long COVID
  • Referrals for special doctors

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Hunter Polese, FNP-BC

Family Nurse Practitioner

Hunter Polese, FNP-BC is a board-certified Family Nurse Practitioner. She treats patients at our Washington Heights Health Center and Mobile Units in the South Bronx and Jackson Heights. Hunter completed her nursing and graduate degrees at Columbia University.

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Hunter can help you with:

  • Yearly exams
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment
  • HIV prevention/ PEP and PrEP
  • Birth control, including IUDs and Nexplanon (long-term birth control)

  • Birth control, including IUDs and Nexplanon (long-term birth control)
  • Reproductive healthcare
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors

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Julian D. Williams, DNP, FNP-C

Medical Director

Julian D. Williams, DNP, FNP-C is a board-certified Family Nurse Practitioner. He treats patients at our Washington Heights Health Center in Manhattan. He completed his graduate degree at Frontier Nursing University.

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Julian can help you with:

  • Yearly exams
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment
  • Birth control, including IUDs and Nexplanon (long-term birth control)

  • Reproductive healthcare
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors
  • MAT (Suboxone)

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Colette Russen, FNP-C, AAHIVS

Family Nurse Practitioner

Colette Russen, FNP-C is a board-certified Family Nurse Practitioner. She treats patients at our East New York Hub Health Center in Brooklyn.

Colette completed her advanced practice nursing degree at Pace University, and completed Community Healthcare Network’s Family Nurse Practitioner Fellowship program. She completed her undergraduate nursing education at Phillips School of Nursing at Mount Sinai Beth Israel and Jacksonville University. She is credentialed as a specialist in HIV primary care by the American Academy of HIV Medicine.

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Colette can help you with:

  • Yearly exams
  • Pediatrics (care for babies, children, and teens)
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment
  • HIV treatment

  • Birth control, including IUDs and Nexplanon (long-term birth control)
  • Reproductive health care
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors
  • Gender-affirming treatment

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Brianna Bouchez, MSN

Family Nurse Practitioner

Brianna Bouchez, FNP is a graduate of Yale University’s Family Nurse Practitioner program with a concentration in diabetes management. Her work as a registered nurse includes acute care pediatrics, adult intensive care, and adolescent psychiatric care. Brianna holds a faculty position in a vocational nursing program, where she teaches in the classroom and clinical settings. She is an endorsed instructor for the Department of Children and Family Services, where she instructs residential care facilities on the principles of safe medication administration. Volunteering in Haiti was a pivotal experience in shifting her focus to primary care. Brianna is passionate about patient education and a career in the community health setting.

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Brianna can help you with:

  • Yearly exams
  • Pediatrics (care for babies, children, and teens)
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment

  • Birth control
  • Reproductive health care
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors

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Nelson Valenzuela, MSN, FNP-BC

Family Nurse Practitioner

Nelson Valenzuela, FNP-BC is a board-certified Family Nurse Practitioner treating patients at our Bronx and Manhattan Health Centers. He speaks English and Spanish.

Mr. Valenzuela completed his undergraduate degrees at SUNY Downstate School Of Nursing. He completed his Master’s in Nursing at NYU College of Nursing.

Mr. Valenzuela is an Army Veteran who has previously worked at NYU Langone Medical Center providing care to the general pediatric population for 5 years as a registered nurse prior to becoming a Family Nurse Practitioner.

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Nelson can help you with:

  • Yearly exams
  • Pediatrics (care for babies, children, and teens)
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment

  • Birth control
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors

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Alison Martin, MSN, FNP-BC

Family Nurse Practitioner

Alison Martin, DNP, FNP-BC is a board-certified Family Nurse Practitioner treating patients at our Phoenix School Based Health Center in Washington Heights. She speaks English and Spanish.

Alison is dedicated to keeping adolescents healthy so they can take advantage of educational opportunities.

Dr. Martin completed a Bachelor of Arts degree in English at Trinity College and an Associates degree in Nursing at Norwalk Community College. She completed her Doctorate in Nursing at Quinnipiac University. She graduated from the CHN NP Fellowship Program.

She has previously worked at AmeriCares providing care to immigrants and the underinsured.

Poster presentation
CPHA 2015 Conference: Decreasing HIV/STD Risk Behaviors in Adolescent Latinos: Family Effect

New patients, please call 866-246-8259 to make an appointment.

Book an Appointment New Patient

Alison can help you with:

  • Yearly exams
  • Pediatrics (care for babies, children, and teens)
  • Treatment of general health problems
  • Pap smears (test for cervical cancer)
  • STI (infections you can get from sex) testing and treatment

  • Birth control
  • Reproductive health care
  • Health Screenings (tests that look for health problems before you have signs)
  • Care for long term health problems like diabetes, high blood pressure, asthma, and obesity
  • Referrals for special doctors

Find what you're looking for

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