Summary

Dr. Mary Oneill has practiced obstetrics and gynecology for 41 years and is affiliated with Good Samaritan Hospital. She treats abnormal uterine bleeding, vaginitis, and menopause, and performs pelvic ultrasound and transvaginal ultrasound. She completed her residency at New York Medical College and sees patients in Campbell and San Jose, California. Dr. Oneill speaks English and Spanish.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.1
  • 41 years of experience
  • 39 insurance plans accepted
  • speaks English, Spanish
  • New York Medical College
  • 5 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Provided follow-up after the visit
  • Flexible scheduling

Office Locations

Dr. Mary Margaret Oneill has 2 locations

Cedar Obgyn

200 W Campbell AveCampbell, CA 95008
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Oconnor Hospital

2105 Forest AveSan Jose, CA 95128

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Dr. Mary Margaret Oneill, MDDr. Shawanda Renee Obey, MDDr. Ingrid Anne Rodi, MDDr. Monica Choo, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
5 
4.7 
0 
41 Years of Experience 26 Years of Experience 47 Years of Experience 5 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Portuguese, German
Campbell , CARancho Cucamonga , CALos Angeles , CAPleasanton , CA
Med School: Creighton University School Of Medicine Med School: Texas Tech University Health Science Center School Of Medicine Med School: Warren Alpert Medical School Of Brown University Med School: University Of Michigan Medical School
Current Profile
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Insurance Plans Accepted by Dr. Mary Margaret Oneill

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Affinity Health Plan
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • AmeriHealth
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Tennessee
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CHAMPVA
  • Cigna
  • Contra Costa Health Plan
  • GEHA
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Humana
  • Kaiser Permanente
  • Magellan Health
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Optum Health
  • Santa Clara Family Health Plan
  • Santa Clara Family Health Plan - Medicaid (Managed)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • Valley Health Plan
  • Valley Health Plan - HMO
  • Western Health Advantage

Medical Specialties

Dr. Mary Margaret Oneill has the following specialty

Specialty Expertise

Dr. Mary Margaret Oneill 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

41 Years Experience

Dr. Mary Margaret Oneill 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 2026.

Education & Training

Residency

Completed their residency at New York Medical College.

Medical School

Graduated from Creighton University School Of Medicine in 1985.

NPI Number

Dr. Oneill's NPI number is 1215142419.

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Frequently Asked Questions

Is Dr. Mary Oneill accepting new patients?
Dr. Mary Oneill is accepting new patients on Vitals. View Dr. Mary Oneill's profile on Vitals to make an appointment.
Does Dr. Mary Oneill accept my insurance?
You can see the insurance plans that Dr. Mary Oneill accepts on their Vitals profile.
What languages does Dr. Mary Oneill speak?
Dr. Mary Oneill speaks English and Spanish.
Does Dr. Mary Oneill accept virtual/telehealth appointments?
Dr. Mary Oneill has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Mary Oneill affiliated with?
Dr. Mary Oneill is affiliated with Good Samaritan Hospital.

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