Our Providers & Staff

Our entire team is dedicated to helping you and your child feel at home from the moment your walk through the door. We're proud to be members of the Napa Valley community and serve the needs of your children.

We pride ourselves in being an exceptional clinic where children come first. Our child-focused practice works hard to meet the needs of children from infancy through adolescence.

Compassionate, knowledgeable and supportive staff is the cornerstone of Harvest Pediatrics' quality care.

All of our pediatricians and nurse practitioners are highly trained professionals, and maintain the highest level of accreditation in pediatrics to address the special needs of infants, children, and teens.

Our pediatricians are all board-certified by the American Board of Pediatrics. The National Certification Board of Pediatric Nurse Practitioners certifies our nurse practitioners.

We strive to treat each and every patient as we would want our own children to be treated. Our doctors, nurse practitioners and staff look forward to building a relationship with you and your family.

  • Staci Hemmerlin, CPNP
    Pediatric Nurse Practitioner

    Staci joined Harvest Pediatrics in February 2000. She attended graduate school at Loma Linda University in Loma Linda, California. Prior to receiving her Master’s Degree as a pediatric nurse practitioner she received a Bachelor of Science in Nursing at Pacific Union College in Angwin, California. The National Certification Board of Pediatric Nurse Practitioners and Nurses and the Board of Registered Nursing, California certifies Staci.

    Her professional interests include working with children and families with food allergies and celiac disease.

    Staci and her family live in Napa. She, her husband and two boys are avid water skiers and can be found skiing the slopes of Lake Tahoe during the winter. Her boys keep her busy with their basketball and baseball games.

  • Sparsha Govardhan MSN, PNP-PC, RN

    Sparsha is a dedicated Pediatric Nurse Practitioner with a strong background in pediatric care and a special interest in managing common gastrointestinal conditions in children. She holds a Master of Science in Nursing from Johns Hopkins University and a master’s degree in Pediatric Nurse Practitioner studies from Yale University.

    Before pursuing advanced nursing education in the United States, Sparsha earned her bachelor’s degree in medicine from Kempegowda Institute of Medical Sciences. Her diverse medical training and cross-cultural experience have helped shape a compassionate, evidence-based approach to pediatric care.

    Sparsha is passionate about working with children and their families to promote health, manage chronic conditions, and support overall well-being. She believes in empowering families through education and personalized care, with a focus on creating a comforting and supportive environment for young patients.

  • Emma Miller, D.O.

    Emma joined Harvest Pediatrics in September 2025. She received her medical degree from Touro College of Osteopathic Medicine - New York, and completed Pediatric residency training at Oklahoma State University in Tulsa, OK. She is excited to be back in the Bay Area (born & raised in San Francisco), and loving Napa life.


    When she is not working she loves to spend time with her husband, dog, and family. She loves to take walks, exercise, spend time outside, read, and bake!

  • Tamara Dupuis, CPNP-PC, MSN, RN

    Tamara is a Certified Primary Care Pediatric Nurse Practitioner. She graduated with an Associate of Science in Nursing in 1997 at Cabrillo Junior College in Aptos, California, completed a Bachelor of Science in Nursing from California State University, Los Angeles in 2002 and a Master of Science in Nursing with a focus on primary pediatric care in 2025. She has experience in acute care pediatrics, pediatric intensive care, neonatal intensive care, postpartum care of mothers and babies, pediatric home care, public health nurse in maternal child health and community health, and as a credentialed school nurse.

    Tamara is dedicated to providing care and education to children and their families while supporting the community to optimize childhood outcomes. She is enthusiastic about childhood growth, development, health promotion and injury prevention.

    She was born and raised in California and is enjoying being back in her home state. Her family includes three sons, a dog, cat, guinea pig, and two African dwarf frogs. She enjoys reading and hanging out with her family.

Questions or Comments?

At Harvest Pediatrics, we encourage you to contact us whenever you have a concern or question related to your care.
You can reach us at:

Napa: (707) 252-1076
St. Helena: (707) 963-0171

For customer relations reporting (concerns, issues, or complaints) you may type your grievance by clicking here.

Our Location

Find us on the map

Hours of Operation

Closed daily between 12:00 PM and 1:30 PM for lunch.

Napa Office

Monday:

8:30 am-5:00 pm

Tuesday:

8:30 am-5:00 pm

Wednesday:

8:30 am-5:00 pm

Thursday:

8:30 am-5:00 pm

Friday:

8:30 am-5:00 pm

Saturday:

Closed

Sunday:

Closed

St. Helena Office

Monday:

8:30 am-5:00 pm

Tuesday:

8:30 am-5:00 pm

Wednesday:

8:30 am-5:00 pm

Thursday:

8:30 am-5:00 pm

Friday:

8:30 am-5:00 pm

Saturday:

Closed

Sunday:

Closed