Community Healthcare Network

Karen Wu, FNP

Family Nurse Practitioner

Karen Wu is a New York-based Family Nurse Practitioner and recent graduate from the University at Buffalo with a DNP. Karen’s nursing journey began at the Veterans Affairs hospital in Buffalo, where she spent two years on an acute medical surgical telemetry unit. During her graduate studies, she conducted a project focusing on HIV and HCV screening in a substance abuse rehabilitation program. Karen’s long-term goals involve delivering patient-centered care to her community and engaging in global outreach through medical mission trips.

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

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Karen Wu 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 to other doctors

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Elizabeth Wornom, FNP

Family Nurse Practitioner

Liz Wornom, a newly graduated family nurse practitioner from the University of Virginia, is thrilled to embark on her next chapter in New York City. Joining the dynamic team at CHN, Liz’s enthusiasm is grounded in her passion for primary care and community-based healthcare. Eager to both serve and learn from the vibrant local community, she looks forward to making a meaningful impact in her new role.

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

Book an Appointment New Patient

Elizabeth Wornom 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 to other doctors

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Avital Suissa, FNP

Family Nurse Practitioner

Avital Suissa, a New Jersey native, holds a BA in Psychology from the University of Maryland and earned MSEd, MPhilEd in Mental Health Counseling from the University of Pennsylvania. Transitioning to nursing, she pursued MSN, FNP, and is completing her DNP-FNP at Columbia University. Formerly a mental health counselor, Avital is driven by a passion for integrating mental and physical health, particularly in women’s health.

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

Book an Appointment New Patient

Avital Suissa 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 to other doctors

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Isabella O’Neill, FNP

Family Nurse Practitioner

Bella, a native New Yorker with Brazilian roots, is an experienced healthcare professional specializing in public health, pediatric, and emergency nursing. Committed to ensuring healthcare access for all, she provides comprehensive care to her patients. In her free time, Bella enjoys reading, baking, and outdoor activities with family and her dog, blending a passion for healthcare with a rich and balanced personal life.

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

Book an Appointment New Patient

Isabella O’Neill 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 to other doctors

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Edwin Guerrero, FNP

Family Nurse Practitioner

Edwin is a recent graduate of Wagner College’s Family Nurse Practitioner program. His Nursing experience includes working in an inpatient neurology and epilepsy unit. He is fluent in Spanish and was born and raised in New York City. In his spare time, he enjoys trying new foods, traveling, and staying physically active.

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

Book an Appointment New Patient

Edwin 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 to other doctors

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Selina Sta Ana, FNP-C

Family Nurse Practitioner

Selina Sta Ana is a board-certified Family Nurse Practitioner. She treats patients at our Lower East Side and Washington Heights Health Center in Manhattan. Selina completed her nursing degree at Biola University. She completed her graduate program at Georgia Southwestern State University.

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

Book an Appointment New Patient

Selina Sta Ana 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 to other doctors

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Christina Stanton, RN, MSN, APRN, FNP-C

Family Nurse Practitioner

Christina Stanton, RN, MSN, APRN, FNP-C is a board-certified Family Nurse Practitioner. She treats patients at our East New York/Dr. Betty Shabazz Health Center in Brooklyn. Erin completed her Master of Science in Nursing degree at the Yale School of Nursing.

Christina is passionate about equity in care, reproductive health, gender affirming care, and has an interest in diabetes management. She has worked on research on the impact of breastfeeding in patients with gestational diabetes. In her spare time, she enjoys gardening in her local community garden, bicycling around town, and traveling.

Book an Appointment New Patient

Christina 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)
  • 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
  • PrEP/PEP
  • Gender-affirming care including hormonal therapy

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Erin Swepston, FNP

Family Nurse Practitioner

Erin Swepston is a board-certified Family Nurse Practitioner. She is also a board-certified HIV Specialist. She treats patients at our Lower East Side Health Center in Manhattan. Erin completed her Master of Science in Nursing degree at Columbia University.

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

Book an Appointment New Patient

Erin 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)

  • 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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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.

Book an Appointment New Patient

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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Nicole Rodriguez RN, FNP- BC

Family Nurse Practitioner

Nicole Rodriguez RN, FNP- BC is a board-certified Family Nurse Practitioner. She treats patients at our Lower East Side and Williamsburg Health Centers in Manhattan and Brooklyn, New York. Nicole completed her graduate degree at Massachusetts General Hospital’s Institute of Health Professions.

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

Book an Appointment New Patient

Nicole 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)

  • 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
  • Medication Assisted Treatment for Substance Use Disorder

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