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29 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tan, Obstetrician / Gynecologist (OBGYN) in Mason City, IA?
Dr. Thoo Tan, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Mason City, IA with 1 additional practice location. He has been practicing for over 29 years and is board certified by the American Board of Obstetrics and Gynecology. Dr. Tan graduated from Baylor College of Medicine in Houston, Texas and completed his residency at St Elizabeth Hlth Ctr, Obstetrics And Gynecology. Dr. Tan is fluent in English, and is currently seeing new patients. Dr. Tan’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tan’s office.
Where did Dr. Tan go to medical school and complete their residency?
Residency: St Elizabeth Hlth Ctr, Obstetrics And Gynecology | St Elizabeth Health Center Program
Medical School: Des Moines University College of Osteopathic Medicine and Health Sciences | Baylor College of Medicine in Houston, Texas | Des Moines University College of Osteopathic Medicine
Is Dr. Tan board certified in Obstetrician / Gynecologist (OBGYN)?
Yes, Dr. Thoo Tan, DO is board certified by the American Board of Obstetrics and Gynecology
What languages does Dr. Tan speak?
Dr. Tan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Tan treat?
As a Obstetrician / Gynecologist (OBGYN), Dr. Tan 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. Tan. 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:
- Other Abnormal Uterine and Vaginal Bleeding
- Vaginal Bleeding
- Unusual Uterine Bleeding
- Abnormal Vaginal Discharge
- Irregular Genital Bleeding
ICD-10 Codes:
- N938: Other specified abnormal uterine and vaginal bleeding
Also known as:
- Birth Control Implant Check-up
- Birth Control Shot Check-up
- IUD Insertion
- Birth Control
- Contraceptive implant follow-up
- Nexplanon monitoring
- Subdermal implant check
- Injectable contraceptive follow-up
- Depo-Provera monitoring
- Birth control injection check
- Intrauterine device placement
- Getting an IUD
- IUD procedure
ICD-10 Codes:
- Z3046: Encounter for surveillance of implantable subdermal contraceptive
- Z3042: Encounter for surveillance of injectable contraceptive
- Z30430: Encounter for insertion of intrauterine contraceptive device
Also known as:
- Other Prenatal Screenings
- Prenatal Care
- Additional pregnancy tests
- Special antenatal screenings
- Specific prenatal checks
ICD-10 Codes:
- Z3689: Encounter for other specified antenatal screening
Also known as:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
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:
- Vaginal Prolapse After Hysterectomy
- Cystocele
- Hysterectomy
- Pelvic Floor Disorder
- Vaginal Vault Prolapse
- Post-Hysterectomy Prolapse
- Dropped Vagina After Hysterectomy
- Fallen Bladder
- Bladder Prolapse
- Anterior Vaginal Wall Prolapse
ICD-10 Codes:
- N993: Prolapse of vaginal vault after hysterectomy
- N8110: Cystocele, unspecified
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:
- 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:
- Routine IUD Check-up
- Birth Control
- Regular IUD Check
- Intrauterine Device Routine Exam
- IUD Follow-up Visit
ICD-10 Codes:
- Z30431: Encounter for routine checking of intrauterine contraceptive device
Also known as:
- Third Trimester Prenatal Care
- Prenatal Care
- Late Pregnancy Check-ups
- Routine Third Trimester Care
- Maternity Care (Third Trimester)
ICD-10 Codes:
- Z3483: Encounter for supervision of other normal pregnancy, third trimester
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:
- Negative Pregnancy Test Result
- Pregnancy Test
- No pregnancy detected
- Negative HCG test
- Not pregnant result
ICD-10 Codes:
- Z3202: Encounter for pregnancy test, result negative
Also known as:
- Uterine Fibroids
- Leiomyoma
- Fibromyoma
- Myoma
- Uterine growth
ICD-10 Codes:
- D259: Leiomyoma of uterus, unspecified
Also known as:
- Low-Grade Abnormal Cells on Pap Test (LGSIL)
- Cervical Cancer Screening
- Cervix Disorder
- Abnormal Pap Smear
- LGSIL Pap Test
- Mild Cervical Dysplasia
- Low-Grade Squamous Intraepithelial Lesion
ICD-10 Codes:
- R87612: Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)
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:
- Pregnancy Care for Older Mothers with Previous Births
- Health Problems in Pregnancy
- Advanced Maternal Age Multiple Pregnancies
- Elderly Multigravida Care
- Older Mother with Prior Births Pregnancy Monitoring
ICD-10 Codes:
- O09523: Supervision of elderly multigravida, third trimester
Which procedures does Dr. Tan perform as a Obstetrician / Gynecologist (OBGYN)?
As a Obstetrician / Gynecologist (OBGYN), procedures performed by an Dr. Thoo Tan may include:
- Abortion Consultation
- Abortion Follow Up
- Abortion (Medical)
- Abortion (Surgical)
- Annual Pap Smear / GYN Exam
- Antepartum Care
- Anterior Repair
- Artificial Insemination / Intra-Uterine
For detailed information, please contact Dr. Tan's office.
Does Dr. Tan accept my insurance?
Dr. Tan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tan accept in Mason City, IA?
Dr. Tan in Mason City, IA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicaid
Medicare
Oscar Health Insurance Co
State of Iowa
UnitedHealthcare
Wellmark BlueCross BlueShield
View All Insurances
Where is Dr. Tan's office located?
What is Dr. Tan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tan's National Provider Identifier (NPI) number is 1104857127.
What common questions do patients ask about Dr. Tan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tan
What is Dr. Thoo Tan's specialty?
Dr. Tan is a Obstetrician / Gynecologist (OBGYN) near Mason City, IA. 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. Tan to book an appointment today.
Is this Dr. Thoo Tan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tan is affiliated with Mercyone North Iowa Medical Center 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 Thoo Tan accepting new patients in Mason City, IA?
Yes, Dr. Thoo Tan is accepting new patients at this time.
Does Dr. Thoo Tan offer online booking?
Please contact Dr. Tan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Thoo Tan?
Please contact Dr. Tan's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Thoo Tan have?
Dr. Thoo Tan is certified by the American Board of Obstetrics and Gynecology.
Other Obstetrician / Gynecologist (OBGYN) Near Mason City, IA
MM
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BW
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