Doctor profile · Federal record
Dr. Thomas Ganz, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Warrenton, MO
- NPI 1447696802
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
18800 Schnucks Dr Ste B
Warrenton, MO 633831121
(636) 456-3413
fax (636) 379-1297 - Additional location
-
1101 Highway K
O Fallon, MO 633668431
(636) 379-6363 - Additional location
-
172 Professional Pkwy
Troy, MO 633792823
(636) 462-6106 - Additional location
-
300 Medical Plz Ste 310
Lake St Louis, MO 633671484
(636) 625-2662 - Additional location
-
301 Caledonia Pkwy Ste 150
O Fallon, MO 633686690
(636) 202-6802 - Mailing address
-
Po Box 955534
Saint Louis, MO 631955534
Show 2 more locations
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- June 6, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Missouri #2017010588
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447696802. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
24
Distinct HCPCS
2
Medicare allowed
$1,840
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $66 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $88 |
In context: peer comparison
Among 1 peers in Warrenton Obstetrics & Gynecology Physician, average services per provider: 12. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$13,093
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pharmacosmos Therapeutics INC. | 2 | $13,092.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
155
Patients
44
Total drug cost
$7,294
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 58 | 25 | $5,457 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 27 | 0 | $654 |
| Medroxyprogesterone Acetate | Generic | 22 | 0 | $760 |
| Ibuprofen | Generic | 20 | 19 | $174 |
| Triamcinolone Acetonide | Generic | 17 | 0 | $124 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 11 | 0 | $125 |
Frequently asked questions
What is Dr. Thomas Ganz's medical specialty?
Dr. Thomas Ganz practices Obstetrics & Gynecology Physician in Warrenton, MO.
Where does Dr. Thomas Ganz practice?
Dr. Thomas Ganz practices at 18800 Schnucks Dr Ste B, Warrenton, MO 633831121. Office phone: 6364563413.
What is Dr. Thomas Ganz's NPI?
Dr. Thomas Ganz's National Provider Identifier (NPI) is 1447696802, issued by NPPES.
Does Dr. Thomas Ganz accept Medicare assignment?
Yes. Dr. Thomas Ganz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Ganz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.