Doctor profile · Federal record
Dr. Mark Hassen, MD
Emergency Medicine Physician · Farmington, MO
- NPI 1932151958
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1212 Weber RD
Farmington, MO 636403325
(573) 701-7215
fax (573) 701-7117 - Mailing address
-
4321 S Compton Ave
Saint Louis, MO 631111131
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 17, 2008
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Missouri #101250
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932151958. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
353
Distinct HCPCS
4
Medicare allowed
$53,202
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 175 | 172 | $169 | |
99284 |
Emergency department visit with moderate level of medical decision making | 116 | 111 | $116 | |
99291 |
Critical care, first 30-74 minutes | 45 | 42 | $202 | |
99283 |
Emergency department visit with low level of medical decision making | 17 | 17 | $69 |
In context: peer comparison
Among 2 peers in Farmington Emergency Medicine Physician, average services per provider: 73. This provider delivers 4.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
213
Patients
208
Total drug cost
$1,917
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 66 | 65 | $571 |
| Prednisone | Generic | 60 | 56 | $153 |
| Levofloxacin | Generic | 26 | 26 | $311 |
| Doxycycline Hyclate | Generic | 21 | 21 | $329 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 15 | 15 | $154 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $188 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 12 | 12 | $210 |
Frequently asked questions
What is Dr. Mark Hassen's medical specialty?
Dr. Mark Hassen practices Emergency Medicine Physician in Farmington, MO.
Where does Dr. Mark Hassen practice?
Dr. Mark Hassen practices at 1212 Weber RD, Farmington, MO 636403325. Office phone: 5737017215.
What is Dr. Mark Hassen's NPI?
Dr. Mark Hassen's National Provider Identifier (NPI) is 1932151958, issued by NPPES.
What procedures does Dr. Mark Hassen 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.