
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Diesfeld, Obstetrician / Gynecologist (OBGYN) in Ventura, CA?
Dr. Patrick Diesfeld, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ventura, CA. Dr. Diesfeld completed his residency at L A Co-Usc Med Ctr, Obstetrics And Gynecology. Dr. Diesfeld is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Diesfeld’s office at (805) 648-2717.
Where did Dr. Diesfeld go to medical school and complete their residency?
Residency: L A Co-Usc Med Ctr, Obstetrics And Gynecology | Usc Med Center
Medical School: University At Buffalo SUNY School Of Med and Biomedical Sciences Buffalo Ny
What languages does Dr. Diesfeld speak?
Dr. Diesfeld and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Diesfeld typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Diesfeld 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. Diesfeld. 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:
- Routine Gynecological Exam (Normal Findings)
- Women's Health Checkup
- Women's checkup, all clear
- Pelvic exam, normal results
- OB/GYN visit, no issues
ICD-10 Codes:
- Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings
Also known as:
- First Trimester Prenatal Care
- Prenatal Care
- Early pregnancy care
- First trimester check-ups
- Antenatal care in early pregnancy
ICD-10 Codes:
- Z3401: Encounter for supervision of normal first pregnancy, first trimester
Also known as:
- Cervical Cancer Screening
- HPV and Pap Test Results
- Pap Test
- HPV Test
- Cervical Smear
- Early Cervical Cancer Detection
ICD-10 Codes:
- Z124: Encounter for screening for malignant neoplasm of cervix
Also known as:
- Heavy and Frequent Periods (Regular Cycle)
- Menstruation
- Menorrhagia
- Polymenorrhea
- Abnormal Uterine Bleeding
ICD-10 Codes:
- N920: Excessive and frequent menstruation with regular cycle
Also known as:
- Group B Strep (GBS) Test
- Strep B Test
- Strep B Screening
- GBS Screening in Pregnancy
- Group B Streptococcus Test
ICD-10 Codes:
- Z3685: Encounter for antenatal screening for Streptococcus B
Also known as:
- Urinary Retention
- Urine and Urination
- Inability to urinate
- Bladder retention
- Can't pee
- Trouble emptying bladder
ICD-10 Codes:
- R339: Retention of urine, unspecified
Also known as:
- Routine Postpartum Check-up
- Postpartum Care
- After-birth Follow-up
- Postnatal Care Visit
- Maternal Postpartum Exam
ICD-10 Codes:
- Z392: Encounter for routine postpartum follow-up
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Diesfeld typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Diesfeld 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. Diesfeld. 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
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
Does Dr. Diesfeld accept my insurance?
Dr. Diesfeld accepts most major insurance plans. Important: Please call our office at (805) 648-2717 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Diesfeld accept in Ventura, CA?
Dr. Diesfeld in Ventura, 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
Blue Shield of California
Centene Corporation
Cigna Group
Federal government of the United States
Other Health Care Provider
Selman and company
Unknown
Western Growers Association
View All Insurances
Where is Dr. Diesfeld's office located?
Dr. Patrick Diesfeld's Primary Practice
168 N Brent St Ste 407
Ventura, CA 93003
(805) 648-2717
What is Dr. Diesfeld's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Diesfeld's National Provider Identifier (NPI) number is 1568576080.
What common questions do patients ask about Dr. Diesfeld?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Diesfeld
What is Dr. Patrick Diesfeld's specialty?
Dr. Diesfeld is a Obstetrician / Gynecologist (OBGYN) near Ventura, 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. Patrick Diesfeld affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Diesfeld is affiliated with Community Memorial Hospital - Ventura which is a Castle Connolly Top Hospital. 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 Patrick Diesfeld accepting new patients in Ventura, CA?
Yes, Dr. Patrick Diesfeld is accepting new patients at this time.
Does Dr. Patrick Diesfeld offer online booking?
Please contact Dr. Diesfeld's office at (805) 648-2717 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Patrick Diesfeld?
Please contact Dr. Diesfeld's office at (805) 648-2717 for information regarding telehealth appointment availability or for scheduling assistance.
Other Obstetrician / Gynecologist (OBGYN) Near Ventura, CA

Obstetrician / Gynecologist (OBGYN)
Dr. Lois Barnes, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ventura, CA with 1 additional practice location. She is board certified.
Ventura, CA

Obstetrician / Gynecologist (OBGYN)
Dr. Patricia Lanter, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Oxnard, CA with 2 additional practice locations. She has been practicing for over 28 years.
Oxnard, CA
KS
Obstetrician / Gynecologist (OBGYN)
Dr. Kayvahn Steck-Bayat, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Ventura, CA with 1 additional practice location.
Ventura, CA