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Dr. Heidi Chang, MD

Walnut Creek, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Obstetrician / Gynecologist (OBGYN) in Walnut Creek, CA?

    Dr. Heidi Chang, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Walnut Creek, CA with 2 additional practice locations. Dr. Chang graduated from University of Virginia Medical School and completed her residency at Cedars-Sinai Medical Center. Dr. Chang is fluent in English, Chinese, and Spanish, and is currently seeing new patients. Dr. Chang’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (510) 437-4800.

    Where did Dr. Chang go to medical school and complete their residency?

    • Residency: Cedars-Sinai Medical Center

    • Medical School: University of Virginia Medical School

    What languages does Dr. Chang speak?

    Dr. Chang and their clinical team can communicate with patients in the following languages:

    • Chinese

    • English

    • Spanish

    What conditions does Dr. Chang 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.

    Also known as:

    • Endometrial Cancer
    • Uterine Cancer
    • Endometrial Cancer Treatment (PDQ®)
    • Malignant Endometrial Tumor
    • Endometrial Carcinoma
    • Cancer of the Endometrium
    • Malignant Uterine Tumor
    • Uterine Carcinoma
    • Cancer of the Uterus

    ICD-10 Codes:

    • C541: Malignant neoplasm of endometrium
    • C55: Malignant neoplasm of uterus, part unspecified

    Also known as:

    • Ovarian Cancer
    • Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer Treatment (PDQ)
    • Cancer of the ovary
    • Ovarian carcinoma
    • Female reproductive cancer

    ICD-10 Codes:

    • C569: Malignant neoplasm of unspecified ovary
    • C561: Malignant neoplasm of right ovary
    • C562: Malignant neoplasm of left ovary

    Also known as:

    • Cervical Cancer
    • Early Cervical Cancer
    • Malignant Cervical Tumor
    • Cervical Carcinoma
    • Cancer of the Cervix
    • Carcinoma in situ of cervix
    • Precancerous cervical cells
    • Non-invasive cervical cancer
    • Stage 0 cervical cancer

    ICD-10 Codes:

    • C539: Malignant neoplasm of cervix uteri, unspecified
    • C538: Malignant neoplasm of overlapping sites of cervix uteri
    • D069: Carcinoma in situ of cervix, unspecified

    Also known as:

    • Other Female Genital and Menstrual Condition
    • Noninflammatory Disorder of Ovary, Fallopian Tube, and Broad Ligament
    • Menstruation
    • Vaginal Disease
    • Vulvar Disorder
    • Ovarian Disorder
    • Specific Gynecological Conditions
    • Menstrual Cycle Problems
    • Ovarian and Tubal Problems
    • Broad Ligament Conditions

    ICD-10 Codes:

    • N9489: Other specified conditions associated with female genital organs and menstrual cycle
    • N838: Other noninflammatory disorders of ovary, fallopian tube and broad ligament

    Also known as:

    • Endometrial Intraepithelial Neoplasia
    • Other Uterine Disorder
    • Uterine Disease
    • EIN
    • Precancerous Uterine Cells
    • Atypical Endometrial Hyperplasia
    • Non-inflammatory Uterine Conditions
    • Uterine Problems
    • Uterine Health Issues

    ICD-10 Codes:

    • N8502: Endometrial intraepithelial neoplasia [EIN]
    • N858: Other specified noninflammatory disorders of uterus

    Also known as:

    • Abdominal or Pelvic Swelling, Mass, or Lump
    • Belly lump
    • Pelvic mass
    • Abdominal swelling

    ICD-10 Codes:

    • R1900: Intra-abdominal and pelvic swelling, mass and lump, unspecified site

    Also known as:

    • Uterine Fibroids
    • Leiomyoma
    • Fibromyoma
    • Myoma
    • Uterine growth

    ICD-10 Codes:

    • D259: Leiomyoma of uterus, unspecified

    Also known as:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Postmenopausal Bleeding
    • Menopause
    • Vaginal Bleeding
    • Bleeding After Menopause
    • Vaginal Bleeding in Menopause

    ICD-10 Codes:

    • N950: Postmenopausal bleeding

    Also known as:

    • Early Vulvar Cancer
    • Vulvar Cancer
    • Carcinoma in situ of vulva
    • Precancerous vulvar cells
    • Non-invasive vulvar cancer
    • Stage 0 vulvar cancer

    ICD-10 Codes:

    • D071: Carcinoma in situ of vulva

    Also known as:

    • Other Abdominal or Pelvic Mass
    • Unspecified Abdominal Lump
    • Pelvic Swelling
    • Internal Abdominal Mass

    ICD-10 Codes:

    • R1909: Other intra-abdominal and pelvic swelling, mass and lump

    Also known as:

    • Growth of unknown type in the left ovary
    • Ovarian Disorder
    • Left ovarian tumor of uncertain nature
    • Undetermined left ovary growth

    ICD-10 Codes:

    • D3912: Neoplasm of uncertain behavior of left ovary

    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

    What procedures does Dr. Chang 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.

    Also known as:

    • Laparoscopic Hysterectomy
    • Laparoscopic Total Hysterectomy with Tube and/or Ovary Removal
    • Hysterectomy
    • Laparoscopy
    • Minimally Invasive Hysterectomy
    • Keyhole Hysterectomy
    • Total Laparoscopic Hysterectomy
    • Uterus Removal Surgery
    • Minimally Invasive Total Hysterectomy
    • Laparoscopic Uterus Removal with Salpingo-oophorectomy
    • Total Hysterectomy (Laparoscopic)

    CPT Codes:

    • 58571: Laparoscopy, surgical, with total hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)
    • 58573: Laparoscopy, surgical, with total hysterectomy, for uterus greater than 250 g; with removal of tube(s) and/or ovary(s)

    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:

    • Uterine Lining Biopsy
    • Cervical Biopsy or Lesion Removal
    • Vaginal Biopsy
    • Lymph Node Biopsy
    • Biopsy
    • Endometrial Biopsy
    • Uterine Biopsy
    • Cervical Biopsy
    • Endocervical Sampling
    • Cervix Tissue Sample
    • Cervical Lesion Excision
    • Cervical Fulguration
    • Cervix Biopsy
    • Vaginal Mucosa Biopsy
    • Vaginal Tissue Sample
    • Simple Vaginal Biopsy
    • Superficial Lymph Node Excision
    • Open Lymph Node Biopsy
    • Lymph Gland Biopsy

    CPT Codes:

    • 58100: Endometrial sampling (biopsy) with or without endocervical sampling (biopsy), without cervical dilation, any method (separate procedure)
    • 57500: Biopsy of cervix, single or multiple, or local excision of lesion, with or without fulguration (separate procedure)
    • 57100: Biopsy of vaginal mucosa; simple (separate procedure)
    • 38500: Biopsy or excision of lymph node(s); open, superficial

    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

    Also known as:

    • Laparoscopic Removal of Pelvic Lesions
    • Minimally invasive ovarian lesion removal
    • Pelvic lesion excision laparoscopy
    • Peritoneal lesion fulguration
    • Endometriosis removal surgery

    CPT Codes:

    • 58662: Laparoscopy, surgical; with fulguration or excision of lesions of the ovary, pelvic viscera, or peritoneal surface by any method

    Also known as:

    • Dilation and Curettage (D&C)
    • D&C
    • Uterine Scraping
    • Uterine Dilation and Curettage

    CPT Codes:

    • 58120: Dilation and curettage, diagnostic and/or therapeutic (nonobstetrical)

    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:

    • Cervical Cone Biopsy (Conization)
    • Cervical Conization
    • Cone Biopsy of Cervix
    • Cold Knife Conization
    • Laser Conization

    CPT Codes:

    • 57520: Conization of cervix, with or without fulguration, with or without dilation and curettage, with or without repair; cold knife or laser

    Also known as:

    • Vaginal Injury Repair (Non-Childbirth)
    • Vaginal Suture Repair
    • Colporrhaphy
    • Vaginal Wall Repair

    CPT Codes:

    • 57200: Colporrhaphy, suture of injury of vagina (nonobstetrical)

    Also known as:

    • Partial Vulva Removal
    • Simple Partial Vulvectomy
    • Vulvar Excision
    • Outer Genital Area Removal

    CPT Codes:

    • 56620: Vulvectomy simple; partial

    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:

    • Retroperitoneal Lymph Node Biopsy (Laparoscopic)
    • Laparoscopic Lymph Node Sampling
    • Abdominal Lymph Node Biopsy
    • Retroperitoneal Biopsy

    CPT Codes:

    • 38570: Laparoscopy, surgical; with retroperitoneal lymph node sampling (biopsy), single or multiple

    Also known as:

    • Sentinel Lymph Node Mapping
    • Lymph Node Identification
    • Sentinel Node Biopsy (Mapping)
    • Dye Injection for Lymph Nodes

    CPT Codes:

    • 38900: Intraoperative identification (eg, mapping) of sentinel lymph node(s) includes injection of non-radioactive dye, when performed (List separately in addition to code for primary procedure)

    Also known as:

    • Laparoscopic Pelvic Lymph Node Removal
    • Laparoscopic Pelvic and Aortic Lymph Node Removal
    • Minimally Invasive Pelvic Lymphadenectomy
    • Keyhole Pelvic Lymph Node Dissection
    • Bilateral Pelvic Lymph Node Excision
    • Laparoscopic Lymph Node Surgery
    • Minimally invasive lymphadenectomy
    • Laparoscopic lymph node biopsy
    • Pelvic lymph node dissection
    • Peri-aortic lymph node sampling

    CPT Codes:

    • 38571: Laparoscopy, surgical; with bilateral total pelvic lymphadenectomy
    • 38572: Laparoscopy, surgical; with bilateral total pelvic lymphadenectomy and peri-aortic lymph node sampling (biopsy), single or multiple

    Also known as:

    • Overnight Pulse Oximetry
    • Pulse Oximetry
    • Continuous Oxygen Monitoring
    • Sleep Oxygen Test
    • Nocturnal Oximetry
    • Overnight O2 Saturation Test

    CPT Codes:

    • 94762: Noninvasive ear or pulse oximetry for oxygen saturation; by continuous overnight monitoring (separate procedure)

    Also known as:

    • Laparoscopic Biopsy
    • Minimally Invasive Biopsy
    • Peritoneal Biopsy
    • Abdominal Biopsy via Laparoscopy

    CPT Codes:

    • 49321: Laparoscopy, surgical; with biopsy (single or multiple)

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (510) 437-4800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in Walnut Creek, CA?

    Dr. Chang in Walnut Creek, 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

    • Beacon Health Options

    • Blue Shield of California

    • Community Health Group

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Sharp Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. Heidi Chang's Primary Practice

    2637 Shadelands Dr

    Walnut Creek, CA 94598

    (510) 437-4800

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    Dr. Heidi Chang's Practice 2

    15400 Foothill Blvd

    San Leandro, CA 94578

    Get Directions

    Dr. Heidi Chang's Practice 3

    365 Lennon Ln

    Walnut Creek, CA 94598

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    What is Dr. Chang's NPI number?An 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 1649681982.

    What common questions do patients ask about Dr. Chang?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang

    What is Dr. Heidi Chang's specialty?

    Dr. Chang is a Obstetrician / Gynecologist (OBGYN) near Walnut Creek, 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. Chang to book an appointment today.

    Is this Dr. Heidi Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Sharp Memorial Hospital, Sharp Grossmont Hospital, Scripps Memorial Hospital Encinitas, Sharp Chula Vista Medical Center, Scripps Memorial Hospital La Jolla, John Muir Health Walnut Creek 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

    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 Heidi Chang accepting new patients in Walnut Creek, CA?

    Yes, Dr. Heidi Chang is accepting new patients at this time.

    Does Dr. Heidi Chang offer online booking?

    Please contact Dr. Chang's office at (510) 437-4800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Heidi Chang?

    Please contact Dr. Chang's office at (510) 437-4800 for information regarding telehealth appointment availability or for scheduling assistance.

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