Summary

Dr. Omar Guimaraes is a board-certified obstetrician and gynecologist who earned his medical degree from the University of Minnesota Medical School. He completed his residency training at Clarian Health Partners, building expertise in comprehensive women's health care. With nearly four decades of medical practice, Dr. Guimaraes brings extensive experience to caring for women throughout all stages of life. He is fluent in English, German, and Portuguese, enabling him to serve diverse patient communities.

Dr. Guimaraes practices at OhioHealth Shelby Hospital and maintains locations in Shelby and Mansfield, Ohio, as well as Tahlequah, Oklahoma. He specializes in managing complex pregnancy conditions, including preeclampsia and high-risk pregnancies. His surgical expertise includes cesarean sections when medically necessary. Patients consistently rate his care highly, giving him an average rating of 4.6 out of 5 stars on patient review platforms.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 39 years of experience
  • 12 insurance plans accepted
  • speaks English, German, Portuguese
  • Clarian Health Partners
  • 3 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Omar Frederick Guimaraes has 3 locations

Obstetrics And Gynecology Inc

24 Morris Rd Ste 3Shelby, OH 44875
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
WedClosed
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Ohiohealth Mansfield Hospital

335 Glessner AveMansfield, OH 44903

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Dr. Omar Frederick Guimaraes, MD
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Dr. Omar Frederick Guimaraes, MDDr. Arumugham DakshinamurthiDr. Jay Donald IamsDr. Richard Jonah Flaksman, MD
Obstetrics & GynecologyPediatricsObstetrics & GynecologyNeonatology
Accepts New Patients Accepts New Patients
4.6 
4.7 
4.3 
39 Years of Experience 62 Years of Experience 54 Years of Experience 52 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, German, Portuguese Speaks English Speaks English
Shelby , OHAshland , OHColumbus , OHMarion , OH
Med School: University Of Minnesota Medical School Med School: Stanley Medical College Med School: University Of Wisconsin School Of Medicine & Public Health Med School: University Of Louisville School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Omar Frederick Guimaraes

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Ambetter
  • Cigna
  • Gilsbar 360 Alliance
  • HealthChoice Oklahoma
  • HealthScope Benefits
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare - Medicare
  • Tricare
  • UnitedHealthcare

Medical Specialties

Dr. Omar Frederick Guimaraes has the following specialty

Specialty Expertise

Dr. Omar Frederick Guimaraes has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

39 Years Experience

Dr. Omar Frederick Guimaraes holds active and expired medical licenses in the states of Ohio and Oklahoma.

Medical License

Medical Doctor with an active medical license in the state of Ohio that expires in 2027 and an expired medical license in the state of Oklahoma that expired in 2025.

Education & Training

Residency

Completed their residency at Clarian Health Partners.

Medical School

Graduated from University Of Minnesota Medical School in 1987.

NPI Number

Dr. Guimaraes' NPI number is 1497867873.

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Frequently Asked Questions

Is Dr. Omar Guimaraes accepting new patients?
Dr. Omar Guimaraes is accepting new patients on Vitals. View Dr. Omar Guimaraes's profile on Vitals to make an appointment.
What languages does Dr. Omar Guimaraes speak?
Dr. Omar Guimaraes speaks English, German, and Portuguese.
Does Dr. Omar Guimaraes accept my insurance?
You can see the insurance plans that Dr. Omar Guimaraes accepts on their Vitals profile.
Which hospitals is Dr. Omar Guimaraes affiliated with?
Dr. Omar Guimaraes is affiliated with Ohiohealth Shelby Hospital.
Where is Dr. Omar Guimaraes's office located?
Dr. Omar Guimaraes's office is located at 24 Morris Rd Ste 3, Shelby, OH, 44875.

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