Henry Mayo Newhall OB-GYN

Obstetrics & Gynecology • Santa Clarita, CA • Since 1975

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About

Henry Mayo OB-GYN in Valencia, CA (Santa Clarita) refers to the obstetrics and gynecology services provided by Henry Mayo Newhall Memorial Hospital. Henry Mayo is a nonprofit, 357-bed community hospital in Valencia/Santa Clarita (established 1975) with an expanded Center for Women and Newborns offering private rooms. The hospital operates as an Advanced Primary Stroke Center and STEMI Receiving Center and provides comprehensive services including maternity, neonatal care, breast center, imaging, surgery, and broader women's health care. For OB-GYN-specific care or appointments, contact Henry Mayo Newhall Memorial Hospital in Valencia at 661-200-2000.

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Clinic Type

Obstetrics & Gynecology

Address

Valencia, CA

Phone

661-200-2000

Email

hospitalcomplaint@dnv.com

Opening Hours

Monday through Friday 9 a.m. to 5 p.m.

Website

https://www.henrymayo.com/medical-services/ob-gyn/

Services Offered

Obstetrics
Gynecology
Prenatal care
Postpartum care
Fertility and family planning counseling
Contraceptive counseling & prescriptions
STD testing & treatment
Ultrasounds & fetal monitoring
Genetic screening & counseling
Labor and delivery care (including C-section and vaginal birth)
Pap smears
HPV testing
Breast exams & mammogram referrals
Menstrual disorder management
Menopause and perimenopause management
Pelvic pain evaluation
Uterine fibroid treatment
Ovarian cyst management
PCOS treatment
Pelvic inflammatory disease management
Urinary incontinence evaluation & treatment
Pelvic organ prolapse management
Pelvic floor dysfunction treatment
IUD removal
Endometrial biopsy
Colposcopy
Cryotherapy or LEEP
Hysterectomy
Myomectomy
Laparoscopy
Tubal ligation
Infertility evaluations & initial treatments
Ovulation tracking and hormone testing

Team

Don J. Nishiguchi, Board-certified obstetrician/gynecologist — M.D., obstetrician/gynecologist
Victoria Schooler, Physician Assistant — PA-C

Insurance & Payment

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Languages Spoken

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FAQs

What are the hours of operation?

Monday through Friday 9 a.m. to 5 p.m.

Social Media

Twitter Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: positive

Healthgrades (for Dr. David Nguyen): 4.9/5 (230 ratings)
Vitals (for Dr. David Nguyen): 4.6/5 (Not explicitly stated)
US News (for Dr. Miin H. Tzeng): 5/5 (32 reviews)

Patients praise

Patients praise specific OB-GYN doctors for being compassionate, attentive listeners, and having a good bedside manner
Many patients report successful, reassuring prenatal and delivery experiences with affiliated physicians
Practice is recognized for comprehensive and personalized women's healthcare services

Common complaints

Reports of feeling dismissed by medical staff during emergencies or specific concerns
Occasional complaints regarding high billing costs for services rendered or lack of perceived care
Mixed reviews for the broader Henry Mayo Newhall Hospital emergency department experience

"No stress gained, when under the care of Dr Jerry Izu. He is an amazing Doctor. He let me be involved in my care, asking my thoughts."

— Yelp review for Henry Mayo Newhall OB-GYN

"Dr. Nguyen is the best OB-GYN ever. I wouldn't want anyone else to provide this care for me. He is amazing. My daughter and I both love him!"

— Healthgrades review for Dr. David Nguyen

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

In the News

Kristin Jordan, PA-C, Joins Henry Mayo Newhall OB-GYN and ... — Mar 24, 2026
SCVNews.com | Victoria Schooler Joins Henry Mayo Newhall OB-GYN | 04-24-2026 — Apr 24, 2026
SCVNews.com | Kristin Jordan, PA-C, Joins Henry Mayo Newhall OB-GYN, Primary Care | 03-24-2026 — Mar 24, 2026
Victoria Schooler, PA-C, Joins Henry Mayo Newhall OB-GYN — Apr 24, 2026

Information sourced from the clinic's website as of July 10, 2026. Own this clinic? Claim or correct this listing.