YK
18 Years of Experience
Accepting patients
Who is Dr. Koh, Obstetrician / Gynecologist (OBGYN) in Vallejo, CA?
Dr. Yoojin Koh, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Vallejo, CA. She has been practicing for over 18 years and is board certified. Dr. Koh graduated from Ohio State University / College of Medicine. Dr. Koh is fluent in English, and is currently seeing new patients. Dr. Koh’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Koh’s office at (707) 651-1000.
Where did Dr. Koh go to medical school and complete their residency?
Medical School: Ohio State University / College of Medicine
Is Dr. Koh board certified as an Obstetrician / Gynecologist (OBGYN)?
Yes, Dr. Yoojin Koh, MD is board certified by the American Board of Obstetrics and Gynecology
What languages does Dr. Koh speak?
Dr. Koh and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Koh treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Koh 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. Koh. 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.
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:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
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:
- Birth Control Management (Unspecified)
- Other Birth Control Counseling
- Birth Control
- General contraceptive care
- Family planning management
- Birth control services
- Additional contraceptive advice
- General family planning discussion
- Ongoing birth control counseling
ICD-10 Codes:
- Z309: Encounter for contraceptive management, unspecified
- Z3009: Encounter for other general counseling and advice on contraception
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Elective Abortion
- Abortion
- Planned abortion
- Voluntary termination of pregnancy
- Induced abortion
ICD-10 Codes:
- Z332: Encounter for elective termination of pregnancy
Also known as:
- Pelvic and Perineal Pain
- Pelvic Pain
- Perineum pain
- Pelvic floor pain
- Pain in groin area
ICD-10 Codes:
- R102: Pelvic and perineal pain
Also known as:
- High-Risk HPV Detected in Cervix
- HPV
- HPV and Pap Test Results
- Positive High-Risk Cervical HPV Test
- High-Risk Human Papillomavirus of Cervix
- Cervical HPV Positive
ICD-10 Codes:
- R87810: Cervical high risk human papillomavirus (HPV) DNA test positive
Also known as:
- Sexually Transmitted Infection (STI) Screening
- Health Screening
- STD screening
- Sexual health check
- Venereal disease test
ICD-10 Codes:
- Z113: Encounter for screening for infections with a predominantly sexual mode of transmission
Also known as:
- Acute Vaginal Inflammation
- Vaginitis
- Acute Vaginitis
- Sudden Vaginal Infection
- Vaginal Irritation
ICD-10 Codes:
- N760: Acute vaginitis
Also known as:
- Acute Vaginal Yeast Infection
- Vaginitis
- Vulvar Disorder
- Yeast Infection
- Vulvovaginal candidiasis
- Vaginal thrush
- Acute Candida vaginitis
ICD-10 Codes:
- B3731: Acute candidiasis of vulva and vagina
Also known as:
- Other Vaginal Disorder
- Vaginal Disease
- Non-inflammatory Vaginal Conditions
- Specific Vaginal Problems
ICD-10 Codes:
- N898: Other specified noninflammatory disorders of vagina
Also known as:
- Prenatal Screening
- Prenatal Testing
- Antenatal Testing
- Pregnancy Screening
- Maternal Screening
ICD-10 Codes:
- Z369: Encounter for antenatal screening, unspecified
Also known as:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
Also known as:
- Painful Urination
- Urine and Urination
- Dysuria
- Burning when peeing
- Stinging during urination
ICD-10 Codes:
- R300: Dysuria
Also known as:
- Pregnancy Care for Past Obstetric Problems
- Health Problems in Pregnancy
- Monitoring Pregnancy After Reproductive Issues
- Specialized Pregnancy Care for Previous Complications
- High-Risk Obstetric History Management
ICD-10 Codes:
- O09293: Supervision of pregnancy with other poor reproductive or obstetric history, third trimester
Also known as:
- Breast Pain
- Breast Disease
- Mastalgia
- Tender Breasts
- Sore Breasts
ICD-10 Codes:
- N644: Mastodynia
Also known as:
- Vulvar Itching
- Itching
- Vulvar Disorder
- Pruritus Vulvae
- Itchy Vagina Area
- Genital Itching (Female)
ICD-10 Codes:
- L292: Pruritus vulvae
What procedures does Dr. Koh perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Koh 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. Koh. 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.
Also known as:
- Colposcopy with Cervical Biopsy and Curettage
- Colposcopy
- Cervical Biopsy
- Endocervical Curettage
- Pap Smear Follow-up Procedure
CPT Codes:
- 57454: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix and endocervical curettage
Also known as:
- Uterine Lining Biopsy
- Biopsy
- Endometrial Biopsy
- Uterine Biopsy
- Cervical Biopsy
- Endocervical Sampling
CPT Codes:
- 58100: Endometrial sampling (biopsy) with or without endocervical sampling (biopsy), without cervical dilation, any method (separate procedure)
Also known as:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
Also known as:
- IUD Removal
- Birth Control
- Intrauterine device removal
- Take out IUD
- Remove birth control device
- IUD explant
CPT Codes:
- 58301: Removal of intrauterine device (IUD)
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:
- Vein Needle or Catheter Insertion
- Venipuncture
- IV Insertion
- Intravenous Access
- Catheter Placement Vein
CPT Codes:
- 36000: Introduction of needle or intracatheter, vein
Does Dr. Koh accept my insurance?
Dr. Koh accepts most major insurance plans. Important: Please call our office at (707) 651-1000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Koh accept in Vallejo, CA?
Dr. Koh in Vallejo, 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
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Health Plan of San Joaquin
Medicare
Other Health Care Provider
View All Insurances
Where is Dr. Koh's office located?
What is Dr. Koh's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Koh's National Provider Identifier (NPI) number is 1366520173.
What common questions do patients ask about Dr. Koh?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Koh
What is Dr. Yoojin Koh's specialty?
Dr. Koh is a Obstetrician / Gynecologist (OBGYN) near Vallejo, CA. 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. Contact Dr. Koh to book an appointment today.
Is this Dr. Yoojin Koh affiliated with a ranked Castle Connolly Top Hospital?
No, Koh is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Kaiser Permanente- Vallejo Medical Center, Vacaville Medical Center, Kaiser Permanente - Roseville Medical Center, Providence Queen Of The Valley Medical Center. Castle Connolly Top Hospitals 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
Where can I learn more about Obstetrician / Gynecologist (OBGYN)?
Explore Obstetrician / Gynecologist (OBGYN) with 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 Yoojin Koh accepting new patients in Vallejo, CA?
Yes, Dr. Yoojin Koh is accepting new patients at this time.
Does Dr. Yoojin Koh offer online booking?
Please contact Dr. Koh's office at (707) 651-1000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Yoojin Koh?
Please contact Dr. Koh's office at (707) 651-1000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Yoojin Koh have?
Dr. Yoojin Koh is certified by the American Board of Obstetrics and Gynecology.
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