Summary

Dr. Andrea Heyn is a family medicine physician who also practices surgery, bringing a comprehensive approach to patient care. She earned her medical degree from Loma Linda University School of Medicine and has been practicing for 13 years. Her dual specialization allows her to provide both primary care services and surgical interventions when needed.

Dr. Heyn is affiliated with Mercy Medical Center and practices at multiple locations throughout Merced, California. She focuses on treating conditions such as obesity, depression during pregnancy, and providing comprehensive pregnancy care. Her practice includes performing pregnancy tests and hormone testing to support women's health needs. Patients benefit from her experience in both medical management and surgical care when comprehensive treatment is required.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 13 years of experience
  • Loma Linda University School Of Medicine
  • 2 specialties
  • 6 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Female

Office Locations

Dr. Andrea Naomi Heyn has 3 locations

Timothy S Johnston Md And Associates

3349 G St Ste FMerced, CA 95340
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Mercy Medical Center

333 Mercy AveMerced, CA 95340

Timothy S Johnston Md And Associates

3170 Collins Dr Ste BMerced, CA 95348
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Andrea Naomi Heyn, MDDr. Shakeilla Smithbey, MDDana Culp, DNP, NP-C, FNP-CLora Betron Campos, FNP-BC
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
13 Years of Experience 15 Years of Experience 24 Years of Experience 5 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English
Merced , CAHouston , TXTRUCKEE , CABenicia , CA
Med School: Loma Linda University School Of Medicine Med School: Howard University College Of Medicine Med School: University of Southern California (MSN Family Nurse Practitioner)
Current Profile
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Insurance Plans Accepted by Dr. Andrea Naomi Heyn

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Andrea Naomi Heyn has the following 2 specialties

Specialty Expertise

Dr. Andrea Naomi Heyn has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Indigestion
  • Surgery
  • Vaccination

Certifications, License, & Education

13 Years Experience

Dr. Andrea Naomi Heyn holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from Loma Linda University School Of Medicine in 2013.

NPI Number

Dr. Heyn's NPI number is 1194159319.

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Frequently Asked Questions

Which hospitals is Dr. Andrea Heyn affiliated with?
Dr. Andrea Heyn is affiliated with Mercy Medical Center.
Where is Dr. Andrea Heyn's office located?
Dr. Andrea Heyn's office is located at 3349 G St Ste F, Merced, CA, 95340.
How can I make an appointment with Dr. Andrea Heyn?
You can find contact information for Dr. Andrea Heyn here on Vitals.
Does Dr. Andrea Heyn accept my insurance?
You can see the insurance plans that Dr. Andrea Heyn accepts on their Vitals profile.
Does Dr. Andrea Heyn accept virtual/telehealth appointments?
Dr. Andrea Heyn has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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