Doctor profile · Federal record
Dr. Peter Gardiner, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Saint Peters, MO
- NPI 1225055783
- Accepts Medicare
- MIPS 70.9 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10 Hospital Dr, Dept Emergency MED
Saint Peters, MO 633761659
(314) 362-9123
fax (314) 747-9160 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 14, 2025
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Missouri #R6D18
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225055783. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
561
Distinct HCPCS
5
Medicare allowed
$84,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 301 | 280 | $172 | |
99284 |
Emergency department visit with moderate level of medical decision making | 185 | 182 | $118 | |
99291 |
Critical care, first 30-74 minutes | 47 | 45 | $208 | |
99283 |
Emergency department visit with low level of medical decision making | 17 | 17 | $70 | |
99282 |
Emergency department visit with straightforward medical decision making | 11 | 11 | $41 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 110. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
158
Patients
157
Total drug cost
$1,269
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 40 | 39 | $129 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 29 | 29 | $130 |
| Ondansetron Odt (Ondansetron) | Brand | 29 | 29 | $264 |
| Cefdinir | Generic | 24 | 24 | $526 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 22 | 22 | $110 |
| Ciprofloxacin Hcl | Generic | 14 | 14 | $111 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Gardiner's medical specialty?
Dr. Peter Gardiner practices Emergency Medicine Physician in Saint Peters, MO.
Where does Dr. Peter Gardiner practice?
Dr. Peter Gardiner practices at 10 Hospital Dr, Saint Peters, MO 633761659. Office phone: 3143629123.
What is Dr. Peter Gardiner's NPI?
Dr. Peter Gardiner's National Provider Identifier (NPI) is 1225055783, issued by NPPES.
Does Dr. Peter Gardiner accept Medicare assignment?
Yes. Dr. Peter Gardiner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Gardiner commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.