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Meet Your Medical Team

We work to provide the highest quality gender-affirming care and truly meet patients where they are by dismantling barriers that keep gender-diverse people from living their fullest life.

Medical Providers

Sierra

Sierra Brittingham, NP

she/her

Carly

Carly Calagias, NP

she/her

Dr Leora

Leora Cohen-McKeon, DO

she/her

Dr Cooper

Riley Cooper-McCann, MD

they/them

Alann

Alann Weissman-Ward, MD

he/him

Mai

Montida (Mai) Fleming, MD

she/her

Jerrica

Jerrica Kirkley, MD

she/her

Dan

Dane Menkin, CRNP

he/him

Margot

Margot Presley, NP

she/her

Lewis Simpler, NP

he/him

Suegee

Suegee Tamar-Mattis, DO

Suegee/Dr. Tamar-Mattis

Toni

Toni Ramirez, MD

she/her

Joshua Yap, MD

he/him

Heather Stewart, MD

she/her

Jazmyn

Jazmyn Price, NP

she/her

Jennifer Klein, DO

she/her

Larry Yip, PA-C​

he/him

Jenny

Jenny Wares, MD

she/her

Team

Join our diverse, growing team

We're hiring!

Care Coordinators & Clinical Manager

Denym

Denym Aphrodyte

they/them

Leigh

Leigh Davis, RN

he/him

Sylvan

Sylvan Harris

he/him

Jenny Fernandez, RN

she/her

Marc

Marc Giese

they/them

Max

Max Golek

he/him

Arlynn

Arlynn Lozano, RN

she/her

Team

Join our diverse, growing team

We're hiring!

Be Seen By One of Our Providers

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Plume

Sierra Brittingham, NP

(she/her)

Sierra is a cis, queer, board certified Family Nurse Practitioner who decided to make gender affirming care her primary focus in 2017 in order to support a community close to her home and heart. Sierra educates health care organizations on gender-affirming care and enjoys speaking and sharing information at universities and conferences. Outside of work and community outreach, Sierra invests time in animal rescue and spoiling her overly affectionate pitbull.

Carly Calagias, NP

(she/her)

Carly is a Women’s Health Nurse Practitioner with over 10 year’s experience providing gender-affirming care. In addition to her work with Plume, Carly specializes in intra-operative and post-operative care of vaginoplasty procedures as well as pelvic pain conditions. Carly is an ally of the trans community and finds her work to be incredibly fulfilling.

Leora Cohen-McKeon, DO

(she/her)

Dr. Leora is a cis queer woman who is board certified in Family Medicine. She has been practicing medicine for over 10 years in western Massachusetts, Maine, and Seattle. She has provided gender affirming care since 2016. When she’s not practicing medicine, she loves to spend time outdoors with her wife and 2 children.

Riley Cooper-McCann, MD

(they/them)

Dr. Cooper-McCann is a trans, non-binary provider who is board certified in Family Medicine. They are passionate about serving the LGBTQ2IA+ community and expanding access to gender-affirming care.

Alann Weissman-Ward, MD

(he/him)

Dr. Alann is a Jamaican and Jewish trans man who is board certified in Family Medicine and Addiction Medicine. He has been providing gender affirming care since 2009.

Montida (Mai) Fleming, MD

(she/her)

Dr. Mai is trained in Family and Community Medicine, and within that scope also practices addiction medicine and reproductive healthcare. She has dedicated her studies and training to provide gender-affirming care. She is an active ally to the trans and gender expansive communities in her professional and advocacy work and personal life.

Jerrica Kirkley, MD

(she/her)

Dr. Kirkley is a trans woman, board certified in Family Medicine, and the co-founder of Plume. She has provided gender-affirming care (GAC) in various clinical settings and is the author of a GAC protocol implemented by health systems across multiple states.

Dane Menkin, MSN, CRNP

(he/him)

Dane has deep experience in gender-affirming care (over 10 yrs), was the previous clinical director of operations at the Mazzoni Center and now the director of LGBTQ services at Mainline Health.

Margot Presley, NP

(she/her)

Margot Presley, NP is a queer, cis, trans ally. As a nurse practitioner (NP) she provides primary care and addiction recovery services in Portland, Oregon. Since 2008, she’s been committed to supporting the LGBTQI community via social and healthcare services. Margot has led workshops, contributed to agency policies, informed legislation, and developed curricula on gender-affirming care and environments.

Lewis Simpler, NP

(he/him)

Lewis is a transgender man and Nurse Practitioner who has been providing gender-affirming care in a variety of settings including community health and chemical dependency treatment centers since 2014. His favorite activity is hiking mountains on the island where he grew up.

Suegee Tamar-Mattis, DO

(Suegee/Dr. Tamar-Mattis)

Dr. Suegee Tamar-Mattis, DO is a board-certified Family Medicine physician, a human rights activist, and a member of the LGBTQI community. Suegee has been involved in queer and transgender healthcare since the 1990s and is the founder of the Sonoma County Transgender Health Clinic.

Toni Ramirez, MD

(she/her)

Dr. Toni is a family physician trained in Northern California. A queer Tejana from the border town of El Paso, Texas, her work in healthcare is strongly grounded in social justice and equity. She has been providing Gender Affirming Care since 2016 and as a cis female, she actively centers humility in her work. Founder of a physician advocacy organization, she is always eager to hold a megaphone to speak truth to power. Toni serves Plume patients in California and soon in Texas!

Joshua Yap, MD

(he/him)

I’m Dr. Josh, and I am honored to be entrusted with your care. As someone who found it difficult to be myself with doctors, it is really important to me that everyone is able to find a healthcare provider that they can feel comfortable and honest with. Because of this, I sought to learn from the best at Montefiore Medical Center, Fenway Health, and directly from the trans community. Since then, I have worked on LGBTQ quality improvement projects at primary care clinics, provided care with Planned Parenthood, and created curriculum to teach new primary care doctors how to provide care to the trans community. In addition to gender affirming care, I am an HIV and sexual health specialist. My experience has taken me across the country, and it’s given me a unique insight on challenges patients have just to get health care based on where they live. It has also taught me not to take living out and proud for granted. It is my commitment that I will continue to listen and learn from the trans community.

When I’m not with patients, I enjoy making music, playing tabletop games, and cooking for my family – right now that consists of a partner, a dog, several ducks, chicken, and quail, and a robo-vacuum named Alberta. When things get tough, I remember a quote from a great drag queen: “Everything works out in the end. If it’s not working out, it’s not the end.

Heather Stewart, MD

(she/her)

Dr. Heather is board certified in Adolescent Medicine. She is experienced in providing Gender Affirming Care for all ages, starting in 2012. During her Air Force career, she was the lead physician for Gender Affirming Care (2016-2017) for all military members in her region. She is a fierce ally and advocate for the trans and nonbinary community, educating hundreds of medical students and staff, school administrators, and community members each year on gender and sexuality topics. Dr. Heather volunteers leading youth, parent, and adult gender diverse support groups with trans community members. When she’s got time to unwind, Dr. Heather likes to garden, sew clothes, and show her kids how to hit the heavy bag.

Jazmyn Price, NP

(she/her)

Jazmyn is a nurse practitioner, board certified in women’s health, licensed in Connecticut and Florida. She received her education at Yale University and Mount Holyoke College. She currently practices family planning and gender affirming care at a Planned Parenthood in Connecticut. An ally to the trans community, she lives out her commitment to reproductive justice professionally and personally. She considers herself quite “indoorsy” and enjoys reading, beauty products, listening to jazz music, and just being cozy.

Jennifer Klein, DO

(she/her)

Dr. Jen is a board certified family physician who trained on the east coast in nursing and then medical school before moving to Seattle for residency where she has practiced medicine for the last decade. She is passionate about social justice and human rights, and is an ally to the LGBTQIA community. When not doctoring, she is busy enjoying her garden, exploring the bountiful Pacific Northwest with her kids and spouse, or trying out a new plant based recipe in the kitchen.

Larry Yip, PA-C

(he/him)

Larry is a queer, cis, board certified physician assistant (PA-C). He graduated from Pace University-Lenox Hill Hospital’s Physician Assistant program in NYC. Prior to moving to sunny San Diego, he practiced primary care with a focus on LGBTQ+ health in Manhattan and provided gender-affirming surgical care for the trans community at Mount Sinai Health.  Throughout Larry’s career, he has enjoyed seeing the personal health evolution of his patients. The most satisfying part in his role as a clinician is to witness patients transform their confidence, appearance, and overall well being.  This rewarding feeling fuels his drive to provide compassionate patient care. During Larry’s free time he enjoys volunteering at People Assisting the Homeless (PATH), traveling with his husband, and taking care of their cat Ghibli and houseplants. 

Jenny Wares, MD

(she/her)

Dr. Jenny Wares has been providing gender affirming care since January 2016.   She worked with her administration to create the gender affirming care program at University of Georgia, and worked in outreach to her community since then; this involves finding allies in her medical community and providing trans medicine education at local hospitals, the medical school, and the UGA campus.  Being able to help people live their best lives has been some of the most rewarding medicine she has been grateful to provide.  When not working, she enjoys her family and two crazy pit bulls, and loves aerial dance, and making stuff.

Denym Aphrodyte

(they/them)

Denym is a non binary trans masculine person and is a care coordinator at Plume. Before coming to Plume Denym worked in gender-affirming care at Planned Parenthood of the Rockies. Since starting their own medical transition, Denym found passion for helping others in the community navigate the healthcare system.

Leigh Davis, RN

(he/him)

Leigh is a trans man and the clinical manager. He has worked in science research and as a registered nurse in oncology. Leigh enjoys backpacking, motorcycle rides, and volunteering in the LGBTQ+ community.

Sylvan Harris

(he/him)

Sylvan is a trans man and care coordinator. He has assisted HelpLines in Boulder, CO and homeless youth shelters, many of which have high LGBTQ+ residents. Medically transitioning over the past 6 years has given him a lot of insight into the medical ins and outs, and the impact of gender in our community and workplace. He is excited to support the trans community in accessing medical services.

Jenny Fernandez, RN

(she/her)

Jenny Fernandez works as a virtual registered nurse for Plume, she handles Curexa Pharmacy tasks and prescriptions. She aims to contribute to the clinical team by giving 100% in every possible aspect of her work. She is a strong advocate for becoming the best version of ourselves. This is one of the reasons why she chose to work with Plume, because like Plume, she believes that everyone deserves to live their fullest life. During her free time, Jenny trains Brazilian Jiu Jitsu to develop discipline and peak health. She also loves learning new things to gain perspective and understanding of people she encounters, whether through work or daily life.

Marc Giese

(they/them)

Marc is non-binary and one of our care coordinators. They have worked in customer care for 10 years and have a passion for helping members of their community.

Max Golek

(he/him)

Max is a Floridian trans man and care coordinator at Plume. He worked with Maine Transnet on a workshop to educate doctors with proper pronouns usage and creating a welcome space. Max believes everyone should have access to a welcome and caring health care regardless of gender. In his down time, he loves to be in the ocean.

Arlynn Lozano, RN

(she/her)

Arlynn Lozano (she/her) works as a Virtual RN for Plume, she takes care of electronic prior authorization and follow up calls to pharmacies. She enjoys binge watching Netflix series during her days off.

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