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Archives: Providers

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Miriam Van Harn, MS, RDN, CDN

Psychiatric Mental Health Nurse Practitioner

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

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Miriam 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

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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.

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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.

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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.

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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.

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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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Sindhura Manubolu, MD

Family and Geriatric Medicine Specialist

Dr. Sindhura Manubolu is a geriatrician, specializing in healthcare for elderly people. She is also the Program Director at CHN Family Medicine Residency Program, where she focuses on training the next generation of Family Medicine physicians. Sindhura Manubolu completed her medical degree at JJM Medical College in India. She also did her training at Nottingham University Hospitals in the UK. Later, she completed a Family Medicine residency at Emory University SOM in the USA and a Geriatric Medicine fellowship at Maimonides Medical Center, specializing in healthcare for the elderly.  Dr. Manubolu treats patients at our Long Island City Health Center in Queens.

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

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Dr. Manubolu 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

As a geriatrician, Dr. Manubolu can also help with:

  • Memory Wellness Assessment
  • Emotional Well-being for Seniors
  • Fall Prevention Strategies
  • Bladder Health
  • Healthcare Support

  • Assistance with Durable Medical Equipment (DME)
  • Personalized Assistance Programs (M11Q/CDPAS Forms)
  • Immunization Support
  • Bone Health: Understanding Osteoporosis
  • Joint Health: Managing Osteoarthritis

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Libby Brubaker, DO, MPH

Family Medicine Specialist

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.

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

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Dr. Brubaker 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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This provider is no longer available

We’re sorry but this healthcare provider is no longer available for appointments at CHN.

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Jessica Christolin-Joseph, MD

Family Medicine Physician

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.

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

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Dr. Christolin 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

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Dr. Alexander Nmoma Jr., DPM

Podiatrist

Dr. Alexander Nmoma Jr., DPM is a board-certified podiatrist and foot and ankle specialist treating patients at our health centers in the Lower East Side, East New York (Health Hub), Tremont, and South Bronx Health Centers. Dr. Nmoma has expert training in many areas, including: treating common foot and ankle disorders, sports medicine diabetic foot care, fractures and sprains, and much more.

Dr. Nmoma Graduated from Western Carolina University with a B.S. degree in Clinical Laboratory Science. He received his medical degree from the Ohio College of Podiatric Medicine/ Kent State University. He then started his extensive residency journey at the Maryland Healthcare system which was inclusive of Baltimore, VA hospital, University Maryland, DC VA hospital. He then completed his Surgical Residency Training at the St. Barnabas Hospital level one trauma center in Bronx, NY. Dr. Nmoma believes in taking care of his patients one Foot at a time and getting them back to a better standard of Health.

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

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Dr. Nmoma provides treatment for:

  • Ingrown toenails
  • Heel pain
  • Plantar warts
  • Painful bunions
  • Hammertoes

  • Sprained ankles
  • Fungal Toenails
  • Athletes Foot/Fungal Infections
  • Foot problems for people with diabetes (high blood sugar)

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