Guillermo Guzman Trevino, MD

Guillermo Guzman Trevino, MD

OB/GYN

Provider Groups

  • Saint Alphonsus Medical Group

Primary Contact

(208) 302-1200

Services & Specialties

Areas of Specialization

  • OB/GYN

Locations & Contact

Primary Location

Saint Alphonsus OBGYN - Boise

1072 N Liberty St
Ste 100
Boise, ID 83704

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Saint Alphonsus OBGYN - Boise

Saint Alphonsus OBGYN - Nampa

4424 E Flamingo Ave
Ste 200
Nampa, ID 83687

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Saint Alphonsus OBGYN - Nampa

About

Guillermo Guzman, MD is an Obstetrics & Gynecology physician with extensive experience in high-risk pregnancies and deliveries, as well as fetal medicine and postpartum care. Dr. Guzman is fluent in Spanish and provides excellent and thoughtful communication that ensures patients are heard and understood.

Philosophy of Care

I am honored to care for my patients during pregnancy, delivery, and throughout all stages of her life. I build trust by taking the time to listen to concerns and address any questions. I am committed to providing compassionate, up-to-date, and patient-centered care.

In the Media

In this article, Dr. Guzman explains why getting the COVID-19 vaccine during pregnancy is both smart and safe.

Note: Although this provider practices at multiple locations, deliveries are performed only at our Boise hospital, allowing patients to benefit from dedicated maternity resources and specialized care.

Conditions Treated

  • well woman care and annual exams
  • vaginal infection
  • Vaginal delivery
  • uterine fibroids
  • ovarian cysts
  • miscarriage
  • minimally invasive surgery including hysterectomy
  • menstrual cycle abnormalities
  • low risk (normal) and high risk pregnancy
  • gynecologic surgery
  • fertility
  • Family Planning
  • Endometriosis
  • cesarean section
  • cancer screening
  • Breast Care
  • Abnormal Uterine Bleeding
  • Abnormal Pap Smear
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Procedures Performed

  • Cesarean delivery
  • Colposcopy, LEEP
  • External cephalic version
  • Hysterectomy including minimally invasive
  • Hysteroscopy
  • IUD and Nexplanon insertion and removal
  • Medical and surgical
  • Ovarian mass removal
  • Pelvic pain
  • Vaginal delivery
  • Removal of uterine polyp
  • Treatment of ectopic pregnancy
  • Twin delivery
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Education & Certifications

Education

Residency:
Brookdale Hospital Medical Center

Residency:
Newark Beth Israel Medical Center

Medical School:
Universidad de Monterrey

Board Certifications

OB/GYN, Board Certified

Provider Groups

Saint Alphonsus Medical Group

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.8 out of 5

(58 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

25 Reviews

04/25/2026

He is the best!! Smart, kind, knowledgeable and makes you feel at ease. He gives realistic medical advice. He has great surgical skills too. The whole package in a provider

04/21/2026

Dr. Guzman is simply the best. Put me at ease, gave me the education I needed and had sound advice, leaving the choice up to me. Thank you so very much!

04/20/2026

I live in Weiser and I have thought about finding an OB/Gyn closer to home, but Dr. Guzman is just so easy to talk to as well as professional and knowledgeable. It is worth the drive to keep such a wonderful doctor.

04/16/2026

Dr Guzman took the time to explain, is always respectful and knowledgeable.

02/25/2026

Excelente servicio muy amable excelwnte explication de todas mis preguntas

02/17/2026

He was kind And assuring

01/26/2026

Very personable. Listen to me

10/29/2025

Su profesionalismo y empatía con las personas excelente en lo q hace

10/20/2025

Muy buena

09/17/2025

He is incredibly kind and caring.

09/17/2025

Me dio la attention que yo nesecitaba y muy rapido me.dirigio al lugar para continuar con mi tratamiento!estoy muy agradecida .

09/11/2025

My family members were impressed with the doctor and grateful for the information he provided after my procedure.

09/11/2025

I appreciate his interest in taking care of me. He seems very knowledgeable.

08/29/2025

He is the best.

08/27/2025

My doctor Guzman has been amazing thru out my whole pregnancy and after .

08/25/2025

Great doctor and super informative. Cares deeply for his patients. Great staff, as well.

08/18/2025

The most attentive and caring provider I have ever had

07/30/2025

Un doctor exelente que recomendaria siempre

07/28/2025

Great doctor. Answered all my questions and resolved my issue.

06/09/2025

he’s the best

04/29/2025

Great

04/16/2025

Dr Guzman 10/10 excelente!!

11/05/2024

Dr.Guzman me ha atendido por muchos años y siempre he recibido muy buena atención. Me gusta porque siempre Dr. Guzman toma tiempo para explicar detalladamente y responder preocupaciones de salud. Es muy respetuoso, amable y siempre me recibe con un cordial saludo.

04/21/2024

Very professional and courteous, while being warm, friendly and attentive. Makes me feel very comfortable and heard.

02/17/2024

Exelente médico Dios bendiga esa gran labor para la humanidad muy recomendado
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