Doctor profile · Federal record
Dr. Michael Barnum, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Potosi, MO
- NPI 1093779209
- Accepts Medicare
- 37 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
300 Health Way Dr
Potosi, MO 636641420
(573) 438-5451 - Additional location
-
1100 E Poplar St
Clarksville, AR 728304419
(479) 754-5454
fax (479) 754-4019 - Additional location
-
700 W Grove St
El Dorado, AR 717304416
(870) 863-2000
fax (870) 864-0202 - Additional location
-
1008 N Main St
Sikeston, MO 638015044
(573) 471-1600
fax (573) 472-7606 - Mailing address
-
Rr 3 Box 66A9
Marshall, MO 653409323
Show 1 more location
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- October 4, 2019
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Missouri #R5N32 · Arkansas #E-6166
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093779209. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
328
Distinct HCPCS
3
Medicare allowed
$40,104
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 197 | 168 | $116 | |
99285 |
Emergency department visit with high level of medical decision making | 83 | 81 | $168 | |
99283 |
Emergency department visit with low level of medical decision making | 48 | 44 | $70 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 83. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
31
Total drug cost
$8,789
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 16 | 16 | $395 |
| Cephalexin | Generic | 15 | 15 | $144 |
| Eliquis (Apixaban) | Brand | 14 | 0 | $8,250 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Barnum's medical specialty?
Dr. Michael Barnum practices Emergency Medicine Physician in Potosi, MO.
Where does Dr. Michael Barnum practice?
Dr. Michael Barnum practices at 300 Health Way Dr, Potosi, MO 636641420. Office phone: 5734385451.
What is Dr. Michael Barnum's NPI?
Dr. Michael Barnum's National Provider Identifier (NPI) is 1093779209, issued by NPPES.
Does Dr. Michael Barnum accept Medicare assignment?
Yes. Dr. Michael Barnum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Barnum 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.