Women's Health Partnership Medical Group

OB-GYN & Midwives located in Ventura & Oxnard, CA

The providers at Women's Health Partnership Medical Group in Ventura and Oxnard, California, offer advanced women's medicine with the personal care and one-on-one attention you deserve. Dr. Patrick Diesfeld works alongside his experienced team of midwives, Roseann Tibbs, CNM, Diane Milstead, CNM, Denise Ellison, CNM and Brooke La Saulle, NP. All the Midwives are Nurse Practitioners so they are eminently qualified to provide you personalized, individualized care for all the seasons of a woman's life! The midwives experience combined with Dr. D’s equals supervision of over 45,000 births for over 3 decades!

Since 1985, Women’s Health Partnership Medical Group has provided complete obstetrics and gynecology care that supports women through all stages of life, from first exams and prenatal care to the treatment of gynecologic problems and menopause management.

From annual testing and contraception options to pregnancy and infertility treatment options, Women’s Health Partnership Medical Group offers a comprehensive scope of OB/GYN services for women of all ages. The office also offers advanced gynecologic surgery and treatment of urine loss and bladder repair, as well as Gyn + Obstetric ultrasound studies, including 3D + 4D of your baby!

Women’s Healthcare Partnership Medical Group is the only full-time, full-service, hospital-based midwifery practice in the county. For their patient's convenience, the office offers 7AM appointments as well as same-day urgent appointments. For exceptional care for all your women's health needs in a warm and friendly environment, call Women’s Health Partnership Medical Group today or schedule an appointment online.

ONE PATIENT - ONE DOCTOR with Great Midwives

When you need your doctor for an emergency, be it days, nights, or weekends, there is comfort in being cared for by the doctor who knows you, and has your history in mind.

Whether it be for delivering your baby, or responding to a gynecologic emergency, Dr. D. has arranged to be available around the clock, to provide that familiar physician who knows you and your needs.

We have declined joining larger groups, or call-coverage networks, so we can provide this level of care. This is personally most rewarding for us, your doctor, with you in mind, our patient. 

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We accept the majority of health insurance plans. Please call our office if you do not see yours listed or have any other quesitons.

We do not accept HMO's or Medical at this time.

Blue Cross Blue Shield
Blue Cross of California
Blue Shield of California
First Health
Health Net
Meritain Health
United Healthcare
Western Growers

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When you need your doctor for an emergency, be it days, nights, or weekends, there is comfort in being cared for by the doctor who knows you, and has your history in mind.


The ability to bear children has riveted the attention of mankind, ancient and modern. A vast body of mythology and folklore has arisen from this prima concern. Enormous advances within the last two decades have demystified the puzzle of infertility...


Words from our patients

  • Google+

    "I have been a patient of Dr. D's for about 10 years and wouldn't go to anyone else. He is professional and kind, caring and knowledgeable. I would refer anyone."

    Verified Patient
  • facebook

    "The whole staff is great and I stuck with them through two back-to-back pregnancies. I really can't say enough about how great they are."

    Ashley K.
  • facebook

    "If you need to see a gynecologist, I highly recommend letting Dr. D take care you!"

    Serena W.
  • facebook

    "Dr. D and staff are awesome. I've been a patient for over 20 years. I highly recommend! Actually 10 stars!"

    Laurie R.
  • facebook

    "Most excellent medical/surgical/after care anywhere! Skilled and compassionate medical staff. Have been going there for over a decade."

    Katherine R.