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Edit this profileWhere to find Thomas F. Ganz, M.D.
- Warrenton location main office
18800 Schnucks Dr Ste B, Warrenton, MO 63383 - O Fallon location
1101 Highway K, O Fallon, MO 63366 - Lake Saint Louis location
300 Medical Plz Ste 310, Lake Saint Louis, MO 63367 - Troy location
172 Professional Pkwy, Troy, MO 63379 - O Fallon location
301 Caledonia Pkwy Ste 150, O Fallon, MO 63368
About Dr. Ganz
Thomas F. Ganz, M.D. practices obstetrics & gynecology in Warrenton, MO. Thomas is a 2013 graduate of Saint Louis University School of Medicine. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1447696802.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (636) 456-3413
- Email not available
Practice Locations
18800 SCHNUCKS DR STE B
Warrenton, MO 63383
1101 Highway K
O Fallon, MO 63366
300 Medical Plz Ste 310
Lake Saint Louis, MO 63367
172 Professional Pkwy
Troy, MO 63379
301 Caledonia Pkwy Ste 150
O Fallon, MO 63368
Conditions Commonly Evaluated or Treated
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Contraception
- Birth Control Side Effects
Fertility
- Recurrent Miscarriages
- Infertility
High-risk or subspecialty
- Heart disease complicating pregnancy
- Placenta accreta spectrum
- Suspected fetal anomaly
Infections
- Pelvic Inflammatory Disease (PID)
- Chlamydia
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
- Endometriosis
- Heavy periods
- Menopause
- PCOS
- Pregnancy
- Yeast infection
Infections and vulvovaginal conditions
- Bacterial vaginosis
- Genital herpes
- Genital warts
- Vulvodynia
Menstrual and hormonal
- Absent periods
- Genitourinary syndrome of menopause
- Painful periods
- Perimenopause
- Premenstrual syndrome
Pregnancy
- Ectopic pregnancy
- Gestational diabetes
- Hyperemesis gravidarum
- Miscarriage
- Placenta previa
- Postpartum depression
- Preeclampsia
- Preterm labor
Cancer and precancer
- Abnormal cervical cells and cervical dysplasia
- Cervical cancer
- Endometrial cancer
- Endometrial hyperplasia
- Ovarian cancer
Pregnancy Complications
- High-risk pregnancy
- Twins or triplets
Vaginal & Vulvar Health
- Abnormal vaginal discharge
Procedures & services
Diagnostic Tests
- Urine Pregnancy Test
Hormone & Menopause
- Hormone Replacement Therapy (HRT) Consultation
Laparoscopic and adnexal surgery
- Ovary removal
- Surgical treatment of endometriosis
- Gynecologic laparoscopy
- Ovarian cyst removal
Pelvic floor
- Sling surgery for stress incontinence
- Pelvic organ prolapse surgery
Pregnancy and delivery
- Forceps- or vacuum-assisted delivery
- Vaginal childbirth
- External cephalic version
- Prenatal care
Preventive and diagnostic
- Pelvic examination
- Transvaginal ultrasound
- Well-woman examination
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Subspecialty procedures
- Gynecologic cancer staging surgery
Surgeries
- Labia Reduction
- Tubal Ligation ("Tubes Tied")
- Endometriosis Excision Surgery
Most searched procedures
- C-section
- Hysterectomy
- IUD insertion
- Pap smear
- Ultrasound
Contraception and office treatment
- Contraceptive implant insertion and removal
- Diaphragm fitting
- Pessary fitting and management
Birth Control
- IUD Removal
Contraception
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Postpartum Care
- Postpartum Checkup
Pregnancy & Prenatal
- Fetal Heart Rate Monitoring
- Prenatal genetic screening
Preventive Care
- Well-woman exam
Preventive Screening
- STI Screening Panel
Routine Exams
- Pelvic exam
Uterine and cervical procedures
- Cervical cone biopsy
- Dilation and curettage
- Endometrial ablation
- Hysteroscopy
- LEEP
- Myomectomy
Procedures Most Often Billed to Medicare
24 services · 24 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in OB-GYN |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less often than most peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Saint Louis University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Thomas F. Ganz?
Thomas F. Ganz is an OB-GYN in Warrenton, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
What is Thomas F. Ganz's address?
Thomas F. Ganz is listed at 18800 Schnucks Dr Ste B, Warrenton, MO 63383. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Thomas F. Ganz?
The number on file is (636) 456-3413. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thomas F. Ganz's NPI number?
Thomas F. Ganz's National Provider Identifier is 1447696802. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Thomas F. Ganz train?
Thomas F. Ganz attended Saint Louis University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Thomas F. Ganz been practicing?
Thomas F. Ganz has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Thomas F. Ganz perform?
According to Medicare billing data, Thomas F. Ganz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thomas F. Ganz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas F. Ganz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.