Community Healthcare Network
(866) 246-8259 My Patient Portal
Community Healthcare Network
(866) 246-8259
My Patient Portal Locations Donate

Archives: Providers

Descripction.

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 Crown Heights Health Center in Brooklyn. 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)

Find what you're looking for

Find a provider

Find a service

Stephanie Neves, DNP, PMHNP

Psychiatric Nurse Practitioner

Stephanie Neves, NP is a board-certified Psychiatric Nurse Practitioner. She treats patients at our Crown Heights and Williamsburg Health Centers in Brooklyn. Stephanie Neves completed her graduate degree at Columbia University School of Nursing. She completed the Community Psychiatry Nurse Practitioner Fellowship at CHN. She is fluent in English and Portuguese.

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

Book an Appointment New Patient

Stephanie 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)
  • Taking your medicines the right way
  • Traumatic or painful events
  • Domestic abuse (abuse at home)
  • Help with addiction to heroin or pain medications with suboxone along with counseling, primary care and/or behavioral health treatment
  • Drug abuse

Find what you're looking for

Find a provider

Find a service

Geri Herisse, RDN, CDN

Nutritionist

Geri Herisse, RDN, CDN is a board-certified Registered Dietitian Nutritionist. She treats patients at CHN Harlem/Helen B. Atkinson in Harlem, NY. Geri is fluent in English and Haitian Creole. She completed her undergraduate degree at Hunter College, CUNY, and subsequently completed her dietetic internship at Teachers College, Columbia University. In her spare time, she likes to cook, and travel and enjoys attending food tours and experimenting with different cuisines.

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

Book an Appointment New Patient

Geri can help you with:

  • Breastfeeding
  • Infant feeding
  • Diabetes
  • Losing or gaining weight
  • Getting ready for weight loss surgery
  • Nutrition help at home

  • High blood pressure
  • Constipation
  • Stomach pain from food
  • Picky Eaters
  • Nutrition for kids
  • Group classes

Find what you're looking for

Find a provider

Find a service

Josie Thiele, RD, CDN, MS

Nutritionist

Josie Thiele, MS, RDN/CDN, CLC is a board-certified Registered Dietitian Nutritionist. She treats patients at multiple CHN sites but is based out of the Williamsburg Clinic. Josie is fluent in English. She completed her undergraduate degree at Colby College and earned a Masters in Nutrition from Boston University.

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

Book an Appointment New Patient

Josie can help you with:

  • Diabetes
  • Losing or gaining weight
  • Getting ready for weight loss surgery
  • Grocery store tours
  • Nutrition help at home

  • High blood pressure
  • Constipation
  • Stomach pain from food
  • Nutrition Management for HIV/AIDS
  • Group classes

Find what you're looking for

Find a provider

Find a service

Nazish Pervez, RD, CDN

Nutritionist

Nazish Pervez, RD, CDN is a board-certified Registered Dietitian Nutritionist. She treats patients at our Community Healthcare Network Center at Long Island City Center. She is fluent in English, Urdu, Hindi and Punjabi. She completed her undergraduate degree and Dietetic internship at Queens College.

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

Book an Appointment New Patient

Nazish can help you with:

  • Diabetes
  • High blood pressure
  • Obesity
  • Constipation
  • Losing or gaining weight

  • Prenatal
  • Pediatrics
  • Infant feeding
  • Nutrition care for all ages

Find what you're looking for

Find a provider

Find a service

Josephine Ledda, CDN

Nutritionist

Josephine Ledda, RD is a New York State certified Dietitian/Nutritionist. She treats patients at our Crown Heights, Lower East Side, and Jamaica Health Centers. Josephine is fluent in English and speaks some Spanish. She completed her undergraduate degree at New York University. She is currently obtaining her graduate degree at the CUNY School of Public Health. Josephine has been working in community nutrition for 8 years and enjoys sharing science facts with her patients.

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

Book an Appointment New Patient

Josephine can help you with:

  • Breastfeeding
  • Diabetes
  • Losing or gaining weight
  • Grocery store tours

  • Nutrition help at home
  • Stomach pain from food
  • Group classes

Find what you're looking for

Find a provider

Find a service

Keshia Okorie, RDN, CDN

Keshia Okorie is a board-certified Registered Dietitian Nutritionist. She treats patients at our East New York Health Hub Health Center in Brooklyn, NY. Keshia is fluent in English. She completed her undergraduate degree at the City University of New York, Brooklyn College, and completed her dietetic internship at New York-Presbyterian Hospital. She completed a Fellowship in Outpatient Nutrition at New York-Presbyterian Hospital as well.

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

Book an Appointment New Patient

Keshia can help you with:

  • Breastfeeding
  • Infant feeding
  • Diabetes
  • Losing or gaining weight
  • Getting ready for weight loss surgery
  • Nutrition help at home

  • High blood pressure
  • Constipation
  • Stomach pain from food
  • Picky Eaters
  • Nutrition for kids
  • Group classes

Find what you're looking for

Find a provider

Find a service

Peggy BK Leung, MD

Peggy BK Leung is a board certified Internal Medicine practitioner. She treats patients at our Long Island City Health Center in Long Island City, NY. Peggy BK Leung is fluent in English and Cantonese.

Peggy BK Leung completed her undergraduate degree at the University of California, San Diego and her medical degree at David Geffen School of Medicine at the University of California. She completed her residency at New York Presbyterian Hospital – Weill Cornell Medical Center.

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

Book an Appointment New Patient

Dr. Leung 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
  • 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

Find what you're looking for

Find a provider

Find a service

Bryan Tolentino, MD

Director of Infectious Diseases and LGBTQ+ Health

Bryan Tolentino, MD is a double-board certified physician in Internal Medicine and Infectious Diseases. He treats patients at our Harlem Health Center in Manhattan and Williamsburg Health Center in Brooklyn. He speaks English and Spanish fluently.

Dr. Tolentino earned his medical degree with Summa Cum Laude Honors from Pontificia Universidad Catolica Madre y Maestra. He completed his residency in Internal Medicine at Mount Sinai Medical Center and completed his fellowship in Infectious Diseases at Icahn School of Medicine at Mount Sinai St. Luke’s-Roosevelt Hospital Center.

Dr. Tolentino has a special interest in HIV medicine including PrEP and PEP, treatment of hepatitis B and hepatitis C, and LGBTQ+ care.

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

Book an Appointment New Patient

Dr. Tolentino can help you with:

  • Primary and specialized care for patients with HIV/AIDS
  • HIV prevention (PrEP and PEP)
  • Sexual Health and STI (infections you can get from sex) testing and treatment
  • Transgender care including hormonal therapy
  • Treatment of hepatitis C
  • Consultations for general Infectious Diseases

  • Treatment of general health problems
  • 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
  • Yearly exams
  • Referrals to other doctors

Find what you're looking for

Find a provider

Find a service

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

Find what you're looking for

Find a provider

Find a service