BS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sommer, Obstetrician / Gynecologist (OBGYN) in Upland, CA?
Dr. Brenna Sommer, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Upland, CA. Dr. Sommer is fluent in English and Spanish, and is currently seeing new patients. Dr. Sommer’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sommer’s office.
What languages does Dr. Sommer speak?
Dr. Sommer and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Sommer typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Sommer diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Sommer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Abnormal Uterine and Vaginal Bleeding
- Vaginal Bleeding
- Unusual Uterine Bleeding
- Abnormal Vaginal Discharge
- AUB
- Irregular Genital Bleeding
ICD-10 Codes:
- N939: Abnormal uterine and vaginal bleeding, unspecified
Also known as:
- Sterilization Procedure
- Tubal Ligation
- Vasectomy
- Permanent contraception
- Tubal ligation
- Surgical birth control
ICD-10 Codes:
- Z302: Encounter for sterilization
Also known as:
- Uterine Fibroids
- Leiomyoma
- Fibromyoma
- Myoma
- Uterine growth
ICD-10 Codes:
- D259: Leiomyoma of uterus, unspecified
Also known as:
- False Labor
- Childbirth
- Braxton Hicks Contractions
- Practice Contractions
- Prodromal Labor
ICD-10 Codes:
- O471: False labor at or after 37 completed weeks of gestation
Also known as:
- Uterine Polyp
- Uterine Disease
- Endometrial Polyp
- Womb Polyp
ICD-10 Codes:
- N840: Polyp of corpus uteri
Also known as:
- Low Transverse C-section Scar in Pregnancy
- Prenatal Care
- Horizontal C-section Scar (Pregnancy)
- Low-lying C-section Scar
- Prior Cesarean Scar (Low Transverse)
ICD-10 Codes:
- O34211: Maternal care for low transverse scar from previous cesarean delivery
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Sommer typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Sommer performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sommer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Hysteroscopy with Biopsy or Polyp Removal
- Hysteroscopy with Endometrial Ablation
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
- Uterine Lining Removal
- Endometrial Resection
- Thermoablation of Uterus
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
- 58563: Hysteroscopy, surgical; with endometrial ablation (eg, endometrial resection, electrosurgical ablation, thermoablation)
Also known as:
- Laparoscopic Ovarian and/or Fallopian Tube Removal
- Laparoscopic Oophorectomy
- Laparoscopic Salpingectomy
- Minimally Invasive Adnexal Removal
CPT Codes:
- 58661: Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)
Also known as:
- Laparoscopic Hysterectomy
- Hysterectomy
- Laparoscopy
- Minimally Invasive Hysterectomy
- Keyhole Hysterectomy
- Total Laparoscopic Hysterectomy
- Uterus Removal Surgery
CPT Codes:
- 58571: Laparoscopy, surgical, with total hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)
Also known as:
- Fetal Non-Stress Test
- Nonstress Test
- Nonstress Test (NST)
- Fetal Heart Rate Monitoring
- NST for Pregnancy
- Baby Heartbeat Test
CPT Codes:
- 59025: Fetal non-stress test
Also known as:
- Surgical Treatment for Missed Miscarriage (First Trimester)
- D&C for Missed Abortion
- Surgical Miscarriage Management
- First Trimester Missed Abortion Treatment
CPT Codes:
- 59820: Treatment of missed abortion, completed surgically; first trimester
Also known as:
- Blood Vessel Blocking for Tumors or Organ Problems
- Vascular embolization
- Artery occlusion for tumors
- Organ ischemia embolization
- Therapeutic embolization
CPT Codes:
- 37243: Vascular embolization or occlusion, inclusive of all radiological supervision and interpretation, intraprocedural roadmapping, and imaging guidance necessary to complete the intervention; for tumors, organ ischemia, or infarction
Does Dr. Sommer accept my insurance?
Dr. Sommer accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sommer accept in Upland, CA?
Dr. Sommer in Upland, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
CVS Health (formerly Aetna)
Heritage Health
Inland Empire
Inland Empire Health Plan
OptumRx Administered Payer
Other Health Care Provider
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Sommer's office located?
What is Dr. Sommer's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sommer's National Provider Identifier (NPI) number is 1497266811.
What common questions do patients ask about Dr. Sommer?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sommer
What is Dr. Brenna Sommer's specialty?
Dr. Sommer is a Obstetrician / Gynecologist (OBGYN) near Upland, CA.
What does an Obstetrician / Gynecologist (OBGYN) do?
An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.
Is this Dr. Brenna Sommer affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sommer is affiliated with San Antonio Regional Hospital, Casa Colina Hospital And Centers For Healthcare, Kaiser Permanente Riverside Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Obstetrician / Gynecologist (OBGYN)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Obstetrician / Gynecologist (OBGYN). Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Brenna Sommer accepting new patients in Upland, CA?
Yes, Dr. Brenna Sommer is accepting new patients at this time.
Does Dr. Brenna Sommer offer online booking?
Please contact Dr. Sommer's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Brenna Sommer?
Please contact Dr. Sommer's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near Upland, CA

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Dr. Monica Valenzuela-Gamm, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Upland, CA with 1 additional practice location. She is board certified.
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CP
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Dr. Cecilia Phong, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Upland, CA with 1 additional practice location.
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Obstetrician
Dr. Franklin Johnson, DO is an Obstetrician, who primarily practices in Upland, CA with 1 additional practice location. He has been practicing for over 19 years.
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Connect with DR. Sommer
1310 San Bernardino Rd Ste 210
Upland, CA 91786