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JT

Dr. Jonathan Tam, MD

Pasadena, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tam, Obstetrician / Gynecologist (OBGYN) in Pasadena, CA?

    Dr. Jonathan Tam, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Pasadena, CA. He is board certified. Dr. Tam completed his residency at L A Co-Usc Med Ctr, Internal Medicine. Dr. Tam is fluent in English and Spanish, and is currently seeing new patients. Dr. Tam’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tam’s office at (626) 449-2800.

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

    • Residency: L A Co-Usc Med Ctr, Internal Medicine | SUNY Health Science Center

    • Medical School: University of Southern Ca Sch of Med, Los Angeles Ca

    Is Dr. Tam board certified as an Obstetrician / Gynecologist (OBGYN)?

    Yes, Dr. Jonathan Tam, MD is board certified by the American Board of Obstetrics and Gynecology

    What languages does Dr. Tam speak?

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

    • English

    • Spanish

    What conditions does Dr. Tam treat?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Tam 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. Tam. 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:

    • Incidental Pregnancy
    • Pregnancy
    • Unplanned pregnancy (incidental finding)
    • Pregnancy discovered incidentally
    • Unexpected pregnancy

    ICD-10 Codes:

    • Z331: Pregnant state, incidental

    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:

    • Understanding Test Results
    • Test results explanation
    • Medical findings review
    • Diagnostic interpretation

    ICD-10 Codes:

    • Z712: Person consulting for explanation of examination or test findings

    Also known as:

    • Amenorrhea
    • Menstruation
    • Absent Periods
    • No Periods
    • Lack of Menstruation

    ICD-10 Codes:

    • N912: Amenorrhea, unspecified

    Also known as:

    • Uncomplicated Childbirth
    • Cesarean Delivery
    • Childbirth
    • Normal Delivery
    • Natural Birth
    • Vaginal Delivery
    • C-section
    • Surgical Birth
    • Cesarean Section

    ICD-10 Codes:

    • O80: Encounter for full-term uncomplicated delivery
    • O82: Encounter for cesarean delivery without indication

    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:

    • 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:

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

    ICD-10 Codes:

    • D259: Leiomyoma of uterus, unspecified

    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:

    • Atypical Cells on Pap Test (ASC-US)
    • Cervical Cancer Screening
    • ASC-US Pap smear
    • Uncertain abnormal cervical cells
    • Mildly abnormal Pap test

    ICD-10 Codes:

    • R87610: Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)

    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:

    • 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:

    • 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:

    • Second-Degree Perineal Tear During Childbirth
    • Postpartum Care
    • Wounds and Injuries
    • Moderate vaginal tear
    • Second degree tear after birth
    • Perineal muscle tear

    ICD-10 Codes:

    • O701: Second degree perineal laceration during delivery

    Also known as:

    • Gestational Diabetes
    • Diabetes and Pregnancy
    • Gestational diabetes
    • Pregnancy Diabetes
    • Diabetes developed during pregnancy
    • GDM

    ICD-10 Codes:

    • O24419: Gestational diabetes mellitus in pregnancy, unspecified control

    What procedures does Dr. Tam perform?

    As an Obstetrician / Gynecologist (OBGYN), Dr. Tam 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. Tam. 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:

    • Prenatal Care Visits (4-6)
    • Prenatal Care
    • Antepartum visits
    • Pregnancy check-ups
    • Maternity care appointments

    CPT Codes:

    • 59425: Antepartum care only; 4-6 visits

    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:

    • Diagnostic Hysteroscopy
    • Hysteroscopy
    • Uterine Scope
    • Hysteroscopic Exam
    • Diagnostic Uterus Scope

    CPT Codes:

    • 58555: Hysteroscopy, diagnostic (separate procedure)

    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:

    • 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:

    • Sling Surgery for Bladder Control
    • Stress Incontinence Sling
    • Urethral Sling Procedure
    • Bladder Sling Surgery

    CPT Codes:

    • 57288: Sling operation for stress incontinence (eg, fascia or synthetic)

    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:

    • Total Abdominal Hysterectomy
    • Hysterectomy
    • Abdominal Uterus Removal
    • Open Hysterectomy
    • Uterus and Cervix Removal
    • Ovary and Tube Removal with Hysterectomy

    CPT Codes:

    • 58150: Total abdominal hysterectomy (corpus and cervix), with or without removal of tube(s), with or without removal of ovary(s);

    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:

    • Fallopian Tube Tying
    • Tubal Ligation
    • Female Sterilization
    • Tube Tying Surgery
    • Fallopian Tube Transection

    CPT Codes:

    • 58600: Ligation or transection of fallopian tube(s), abdominal or vaginal approach, unilateral or bilateral

    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:

    • Abdominal Fibroid Removal (Myomectomy)
    • Open Myomectomy
    • Uterine Fibroid Excision
    • Abdominal Uterine Fibroid Surgery

    CPT Codes:

    • 58140: Myomectomy, excision of fibroid tumor(s) of uterus, 1 to 4 intramural myoma(s) with total weight of 250 g or less and/or removal of surface myomas; abdominal approach

    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)

    Does Dr. Tam accept my insurance?

    Dr. Tam accepts most major insurance plans. Important: Please call our office at (626) 449-2800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Tam accept in Pasadena, CA?

    Dr. Tam 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

    • All Other Third Party

    • Centene

    • City of Los Angeles

    • Crown Cork and Seal Company

    • Medicaid

    • Medicare

    • Other Health Care Provider

    • Preferred IPA

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Tam's office located?

    Dr. Jonathan Tam's Primary Practice

    105 N Hill Ave Ste 203

    Pasadena, CA 91106

    (626) 449-2800

    Get Directions

    What is Dr. Tam's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Tam's National Provider Identifier (NPI) number is 1013942952.

    What common questions do patients ask about Dr. Tam?

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

    What is Dr. Jonathan Tam's specialty?

    Dr. Tam is a Obstetrician / Gynecologist (OBGYN) near Pasadena, 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. Tam to book an appointment today.

    Is this Dr. Jonathan Tam affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Tam is affiliated with USC Arcadia Hospital 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

    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 Jonathan Tam accepting new patients in Pasadena, CA?

    Yes, Dr. Jonathan Tam is accepting new patients at this time.

    Does Dr. Jonathan Tam offer online booking?

    Please contact Dr. Tam's office at (626) 449-2800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jonathan Tam?

    Please contact Dr. Tam's office at (626) 449-2800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jonathan Tam have?

    Dr. Jonathan Tam is certified by the American Board of Obstetrics and Gynecology.

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