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Julia Stevens, LCSW

Julia Stevens is a licensed Behavioral Health Supervisor. She treats patients at our Health Centers in Queens. Julia Stevens completed her graduate degree at Hunter College, Silberman School of Social Work.

Julia Stevens, LCSW

Julia Stevens, LCSW can help you with:

  • General mental health care
  • Depression
  • Anxiety (feeling nervous or worried)
  • Family problems
  • Relationship problems
  • LGBTQ+ problems
  • Self-esteem (having respect for yourself)
  • Loss of a loved one
  • Social phobia (feeling shy and nervous around others)
  • Process trauma

Miriam Van Harn, MS, RDN, CDN

Miriam is a board-certified Registered Dietitian-Nutritionist. She treats patients at our Bronx Health Center in the South Bronx. Miriam completed her graduate degree at CUNY Hunter College. She completed her dietetic internship at New York Enrichment Group, Children’s Aid Society, Montefiore Bronx Health Collective, and The Riverside Rehab via Hunter College.

Miriam completed her master’s thesis by writing a grant proposal that outlined a peer counselor-led program to improve nutrition & disease outcomes in people living with HIV/AIDS.

Miriam Van Harn, MS, RDN, CDN

Miriam Van Harn, MS, RDN, CDN can help you with:

  • Diabetes
  • Losing or gaining weight
  • Getting ready for weight loss surgery
  • Nutrition help at home
  • Stomach pain from food
  • Constipation
  • Picky eaters
  • Nutrition for kids
  • High blood pressure
  • High cholesterol
  • Plant-based diets
  • Nutrition for sports & exercise
  • Foods to support your hormones
  • Your relationship with food

Elizabeth Wornom, FNP

Elizabeth Wornom, FNP

Elizabeth Wornom, FNP can help you with:

Isabella O’Neill, FNP

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.

Isabella O’Neill, FNP

Isabella O’Neill, FNP 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

Edwin Guerrero, FNP

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.

Edwin Guerrero, FNP

Edwin Guerrero, FNP 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

Sindhura Manubolu, MD

Family and Geriatric Medicine Specialist 

Sindhura Manubolu completed her medical degree at JJM Medical College in India. Her compassionate approach and commitment to enhancing the lives of seniors have earned her recognition among peers and patients alike. 

Sindhura Manubolu, MD

Sindhura Manubolu, MD 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 to other doctors

Libby Brubaker, DO, MPH

Libby Brubaker is a board-certified Family Medicine Specialist.  She treats patients at our Health Center in Harlem. Dr. Brubaker completed her medical degree at Western University of Health Sciences in Pomona, California. She completed her residency at the Institute for Family Health and Mount Sinai Hospital. Dr. Libby Brubaker specializes in sexual and reproductive health care and gender-affirming hormone therapy.

Libby Brubaker, DO, MPH

Libby Brubaker, DO, MPH 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

Provider Unavailable

Provider Unavailable can help you with:

Jessica Christolin-Joseph, MD

Dr. Christolin is a board-certified Family Medicine Physician. She treats patients at our Crown Heights Health Center in Brooklyn. Dr. Christolin completed her medical degree/graduate degree at SUNY Downstate. She completed her residency at SUNY Downstate.

Jessica Christolin-Joseph, MD

Jessica Christolin-Joseph, MD 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 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

All Community Healthcare Network health centers and offices will be open on Tuesday, February 24, 2026. Our mobile health clinics will not be operational due to weather conditions.

Update: Parent Portal Access

Dear Parent or Guardian,

We would like to inform you that as of September 1, 2026, access to your child’s Healow account through Community Healthcare Network (CHN) will be limited to viewing immunizations and referrals for all patients ages 12 and older. This change is required to comply with the Health Insurance Portability and Accountability Act (HIPAA) and New York State laws that protect minors’ rights to confidentiality.

You may still request your child’s medical records by calling or visiting your health center.

If you have any questions or would like more information, please speak with our front desk staff during your next visit or go to: chnnyc.info/nylaw

Thank you,
Community Healthcare Network (CHN)