Doctor profile · Federal record
Dr. Zachary Treat, MD
Family Medicine Physician (CMS: Family Practice) · Hospitalist Physician · Saint Louis, MO
- NPI 1447743083
- Accepts Medicare
- 8 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
10010 Kennerly RD
Saint Louis, MO 631282106
(314) 525-1328 - Additional location
-
1400 US Highway 61
Festus, MO 630284100
(636) 933-5337 - Additional location
-
615 S New Ballas RD
Saint Louis, MO 631418221
(314) 251-6339 - Additional location
-
901 E 5Th St
Washington, MO 630903127
(636) 239-8231
Show 1 more location
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- January 19, 2026
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Missouri #2020035229 · Iowa #50495
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447743083. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
821
Distinct HCPCS
6
Medicare allowed
$84,086
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 311 | 168 | $72 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 207 | 113 | $109 | |
99239 |
Hospital discharge day management, more than 30 minutes | 169 | 163 | $104 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 89 | 85 | $159 | |
99291 |
Critical care, first 30-74 minutes | 28 | 20 | $194 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $119 |
In context: peer comparison
Among 71 peers in this city , average services per provider: 73. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
273
Patients
210
Total drug cost
$14,892
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 53 | 36 | $1,461 |
| Furosemide | Generic | 28 | 26 | $121 |
| Eliquis (Apixaban) | Brand | 26 | 0 | $11,872 |
| Pantoprazole Sodium | Generic | 23 | 19 | $276 |
| Cefdinir | Generic | 22 | 22 | $324 |
| Atorvastatin Calcium | Generic | 21 | 18 | $186 |
| Spironolactone | Generic | 17 | 12 | $143 |
| Prednisone | Generic | 16 | 16 | $38 |
| Amlodipine Besylate | Generic | 15 | 13 | $155 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 15 | 13 | $135 |
Frequently asked questions
What is Dr. Zachary Treat's medical specialty?
Dr. Zachary Treat practices Family Medicine Physician in Saint Louis, MO.
Where does Dr. Zachary Treat practice?
Dr. Zachary Treat practices at 10010 Kennerly RD, Saint Louis, MO 631282106. Office phone: 3145251328.
What is Dr. Zachary Treat's NPI?
Dr. Zachary Treat's National Provider Identifier (NPI) is 1447743083, issued by NPPES.
Does Dr. Zachary Treat accept Medicare assignment?
Yes. Dr. Zachary Treat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Treat commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.