17 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Obstetrician / Gynecologist (OBGYN) in Pasadena, CA?
Where did Dr. Chang go to medical school and complete their residency?
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does an Obstetrician / Gynecologist (OBGYN) like Dr. Chang typically treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Chang 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. Chang. 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:
- Prenatal Screening
- Prenatal Testing
- Antenatal Testing
- Pregnancy Screening
- Maternal Screening
ICD-10 Codes:
- Z369: Encounter for antenatal screening, unspecified
Also known as:
- High-Risk Pregnancy Due to Infertility History
- Female Infertility
- Health Problems in Pregnancy
- Pregnancy after infertility
- Infertility and pregnancy care
- Special care for pregnancy after infertility
ICD-10 Codes:
- O0900: Supervision of pregnancy with history of infertility, unspecified trimester
Also known as:
- General Disorder Screening
- Health Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
ICD-10 Codes:
- Z1389: Encounter for screening for other disorder
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
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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Personal Choice Not to Vaccinate
- Vaccine Refusal
- Patient Declined Vaccination
- Unvaccinated by Choice
ICD-10 Codes:
- Z2820: Immunization not carried out because of patient decision for unspecified reason
What procedures does an Obstetrician / Gynecologist (OBGYN) like Dr. Chang typically perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Chang 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. Chang. 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:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (626) 304-2626 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Pasadena, CA?
Dr. Chang in Pasadena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Commercial
Centene Corporation
Cigna Group
City of Los Angeles
Kaiser Permanente
Medicare
Other Health Care Provider
South Atlantic Medical Group IPA
UnitedHealth Group
View All Insurances
Where is Dr. Chang's office located?
Dr. Jennie Chang's Primary Practice
625 S Fair Oaks Ave Ste 255
Pasadena, CA 91105
(626) 304-2626
What hospitals are Dr. Chang affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Chang has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked Mastectomy
What is Dr. Chang's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chang's National Provider Identifier (NPI) number is 1982668422.
What common questions do patients ask about Dr. Chang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang