Doctor profile · Federal record
Dr. Mark Kowalski, D.O.
Emergency Medicine Physician · Saint Louis, MO
- NPI 1538116835
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10010 Kennerly RD
Saint Louis, MO 631282106
(314) 525-1000 - Mailing address
-
2100 Powell St, Suite 920
Emeryville, CA 946081826
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 8, 2015
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Missouri #114693
- Medicaid (2)
- MO #244748927 · MO #1538116835
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538116835. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
112
Distinct HCPCS
3
Medicare allowed
$14,416
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 60 | 57 | $117 | |
99285 |
Emergency department visit with high level of medical decision making | 37 | 37 | $171 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $70 |
In context: peer comparison
Among 121 peers in Saint Louis Emergency Medicine Physician, average services per provider: 92. This provider delivers 1.2× the peer median.Frequently asked questions
What is Dr. Mark Kowalski's medical specialty?
Dr. Mark Kowalski practices Emergency Medicine Physician in Saint Louis, MO.
Where does Dr. Mark Kowalski practice?
Dr. Mark Kowalski practices at 10010 Kennerly RD, Saint Louis, MO 631282106. Office phone: 3145251000.
What is Dr. Mark Kowalski's NPI?
Dr. Mark Kowalski's National Provider Identifier (NPI) is 1538116835, issued by NPPES.
What procedures does Dr. Mark Kowalski commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.