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Advanced Providers (AP)

RUHS Advanced Provider

Site Lead


Giselle Ludi, PA-C

Undergraduate Studies: B.S

Nutrition Sciences CSUSB

Graduate Studies: M.S. PAS Western

University of Health Sciences

Experience: RUHS ED Operations

Committee Co-lead

Life passions: Travel in family

Medicine passions: Education

Hobbies: Hanging out with my kids and


RUHS Advanced Provider

Assistant Site Lead


Alyssa Weiner, PA-C


Undergraduate studies: B.S Kinesiology

San Diego State University

Graduate studies: M.S. PAS Western

University of Health Sciences

Experience: Urgent care, occupational


Passions: Serving underserved and

multicultural communities, international medicine. Sharing my passion for healthy food and fitness with my patients and those around me

Hobbies: Spending time with family,

friends, traveling the world, anything outdoors.

Kristofer Abejuela, PA-C


Undergrade Studies: Cal Poly Pomona

Graduate Studies: Western University of Health Sciences​

Experience: Workman's Comp, Urgent Care, Family Practice, Jail Medicine

Passions in Life: Family, Economics, Basketball. Passions in Medicine: Giving back to the underserved community

Hobbies: Self improvement, finance, international travel

Michael Davalos, PA-C


Hometown: San Ysidro

Undergraduate Studies: BS Biology from UCSD

Graduate Studies: MSPAS from Western University of Health Sciences

Experiences: Urgent Care, Family Practice

Passions in life: Travel, EDM, Sushi

Passions in medicine: Orthopedic injuries

Hobbies: Traveling, beer, cinephile, anglophile

Amy Robker, PA-C


Undergraduate Studies: University of Utah and Arizona, BS in Human Development

Graduate Studies: MSPAS Baylor College of Medicine

Experiences: Urology, Emergency Medicine, previous CNA

Passions in life: Family, Enjoys being a mother as well as caring for pets

Passions in medicine: Enjoyment obtained from providing care

Hobbies: Baking extravagant cakes and dancing

Tiffany Mendoza, PA-C

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Hometown: Turlock, CA

Undergraduate Studies: B.S Psychology Fresno State University

Graduate Studies: Loma Linda University

Experiences: Emergency medicine, Urgent Care, and a sprinkle of family practice, (former EM scribe and EM Tech)

Passions in Life: Being a mom, working in underserved communities, and education

Passions in Medicine: Empowering patient's through education and serving in areas with a medical need

Hobbies: Roller skating (quad squad), dancing, homemade lattes, and anything festive.

Troy Oesterle, PA-C


Hometown: Phoenix, AZ

Undergraduate Studies: University of Arizona... BEAR DOWN!

Graduate Studies: University of California - Davis

Experience: ED scribe, Prior EMPA fellow at RUHS

Passions: Juggling while riding my unicycle, paddle boarding, baseball

Erin Routledge, NP-C


Undergraduate Studies: University of Oklahoma, BSN

Graduate Studies: Azusa Pacifica University, MSN FNP

Experiences: Emergency Medicine, Correctional Health

Passions in medicine: connecting with my patients 

Passions in life: spending time with family and friends

Fun fact: I have always wanted to have my own television talk show where I could bring happiness to others through conversation and laughter.

Avo Serafino, PA-C


Hometown: Born in CT, Raised in CA

Undergraduate Studies: University of California, Riverside, Neuroscience 

Graduate Studies: Marist college, NY MPAS

Experiences: ED Medical Scribe

Hobbies:  I have a huge collection of board games, and we would be more than happy to host game night for anyone interested!

Passions: Family, board games

David Wisdom, PA-C

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Hometown: Kansas City, MO

Undergraduate Studies: Truman State University, BS Biology

Graduate Studies: University of Missouri, MS Health Administration University of Mount Union, MS Physician Assistant Studies

Experience: Volunteer EMT with the fire department

Passions: Working out, running, biking, snowboarding

Vivian Acevedo, PA-C

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Undergrade Studies: BS in Health Science and minor in Nutrition from Chapman University

Graduate Studies: Masters in Medical Science from Chapman University

Experience: Urgent Care and Emergency Medicine

Passions in Life: Nutrition and Fitness

Passions in Medicine: Educating underprivileged patients about the importance of nutrition and the role it places in acute and chronic illnesses.

Hobbies: Working out and spending time with friends and family.

Kurt Harris, PA-C

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Hometown: Oceanside, CA

Undergraduate Studies: PA certificate from RCC

Graduate Studies: subsequent Master's at A.T Still

Experiences: Emergency Medicine, Paramedic, EMT

Passions in life: Football, baseball, hockey- specifically Chargers, Braves, and Kings

Passions in medicine: Teaching, procedures

Hobbies: Fishing

Kimberly Henshaw, PA-C


Hometown: NY born, Moreno Valley raised

Undergraduate Studies: RCC, UCSD BS animal Physiology and Neuro

Graduate Studies: MS at St. Francis Medical Sci PA, RCC PA Cert

Experiences: ED, ER tech

Passions in Life: Family, Initially was interested in becoming a Veterinarian

Passions in Medicine: Helping people

Hobbies: wine connoisseur, motorsports

Nancy Peterson, NP-C


Hometown: Lufkin, Texas

Undergraduate Studies: Loma Linda University

Graduate Studies: Loma Linda University

Experience: Emergency Medicine, ICU, Correctional Health

Passions in Life: Travel, Family, Animals

Passions in Medicine: Orthopedic Injuries, Emergency Medicine

Hobbies: Travel, Hiking, Beaches, Wine Connoisseur (Prefers Reds)

Alyssa Schulz, PA-C


Undergraduate studies: Bachelor of Science Biology University of California Irvine

Graduate studies: Case Western Reserve, Cleveland, Ohio

Experiences: Women's health

Passions:  My mom! Who dedicated her career to emergency medicine as an ER nurse

Hobbies: Pilates, rollerblading, paddle boarding and hanging by the beach!

Willie Landeros-Rivera, PA-C

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Hometown: Born & raised in LA, now lives in Riverside, CA

Undergraduate Studies: Biola University, B.S Biochemistry

Graduate Studies: Cal Baptist University, MS Physician Assistant Studies

Experience: ER tech- RUHS, Scribe- RUHS ED, EMT- LA and OC 

Passions: The Lakers, chess, church

Alexandra Steinmann, PA-C


Undergraduate: Georgetown University, Washington DC

Graduate: Midwestern University, Glendale, AZ

Experience: Emergency medicine PA, PA at Riverside county correctional facilities 

Passions: running, hiking, medical education

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