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About

Simi Obstetrics & Gynecology Medical Group is a private medical practice in Simi Valley, CA, providing obstetric and gynecologic care for women. Key details: - Location: 1147 Red Tail Way, Simi Valley, CA 93065 (HQ), with 3 office addresses listed - Services: Women's health, obstetrics and gynecology - Industry: Medical Practices; Status: Active; Private ownership - Contact: Main phone lines include (805) 527-8055, (805) 520-8849, (805) 225-6792 - Website: simiobgyn.com - Workforce: 1 employee (small practice) - Online presence: ~1,677 monthly visits, US-based, low bounce rate - LinkedIn: Company profile available If you’re looking for care in Simi Valley, this practice focuses on compassionate, women-centered OB/GYN services.

Clinic Type

Women’s Health

Address

Simi Valley, Los Angeles and Ventura County region (Simi Valley-based practice)

Phone

(805) 527-8055

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • OB/GYN care
  • pregnancy care
  • minimally invasive surgery
  • bioidentical hormone treatments
  • women’s health care
  • comprehensive women’s health care
  • private practice in southern Ventura County
  • holistic approach to medicine
  • perinatal care
  • maternal-health services
  • gynecology and obstetrics
  • new patient care

Team

  • Dr. Catherine Kim, Board certified by the American Board of Obstetrics and Gynecology; Fellow of the American College of Obstetrics and Gynecology; CA Medical Association; residency at Harbor-UCLA Medical Center; UCLA Medical degree; Berkeley undergrad — Founding member, Ob/Gyn physician
  • Dr. Grace Lee, Board certified by the American Board of Obstetrics and Gynecology; Fellow of the American College of Obstetrics and Gynecology; CA Medical Association; residency at Adventist Health Simi Valley Hospital; medical degree from Albany Medical College; residency at Drexel University — Physician

Insurance & Payment

Languages Spoken

  • English

FAQs

What is Simi OBGYN?

Simi Valley’s premier OB/GYN medical group providing comprehensive women’s health care.

Where do they practice?

Serving the Greater Los Angeles area and Southern Ventura County.

Awards & Accreditations

  • Adventist Health Simi Valley Hospital Physician of the Year Mission Award 2013
  • Chief of Medical Staff at Adventist Simi Valley Hospital (2017-2019)
  • Excellence in Laparoscopic Procedure (resident honor)

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye: 3.4 out of 5 stars (based on 93 reviews) (93 reviews)
  • Healthgrades (Dr. Catherine Kim): 4.3 out of 5 stars (based on 15 reviews) (15 reviews)

Patients praise

  • Experienced and compassionate care from some providers
  • Successful outcomes for many patients (e.g., deliveries)
  • Community-respected founding physicians

Common complaints

  • Long wait times and rushed appointments
  • Perceived lack of care, attention, or bedside manner
  • Difficulties with staff communication and administrative organization (e.g., prescriptions, scheduling)
  • Mixed experiences regarding delivery and labor preferences

"This office is amazing! Dr. Kim has delivered my 2 babies for me and has been absolutely wonderful."

Unilocal user review

"Dr. Kim was my physician during a very challenging time where my health was concerned. Besides being an excellent physician, she was extremely caring, understanding, and honest with me."

Healthgrades user review

"I've had complications with my pregnancy and my appointments kept getting pushed back. This office are completely unorganized and uncaring."

Google user review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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