Michael Barnum, M.D.
NPI 1093779209 · Emergency Medicine Physician · Potosi, MO
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Barnum, M.D. is a Emergency Medicine Physician provider in Potosi, MO (NPI 1093779209).
Provider details
- NPI number
- 1093779209
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E-6166 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
333 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 201 | $113 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 94 | $165 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 24 | $66 |
| Simple Insertion of Temporary Bladder Tube51702 | 14 | $24 |
Typical Medicare-allowed amounts for these services range $24–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 27 | 27 |
| Tramadol Hcl | 20 | 20 |
| Cephalexin | 17 | 17 |
| Levofloxacin | 17 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 16 |
| Doxycycline Hyclate | 14 | 14 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 14 |
Practice location
Mailing address
Additional practice locations (3)
- 1100 E Poplar StClarksville, AR 72830-4419Phone: (479) 754-5454Fax: (479) 754-4019
- 700 W Grove StEl Dorado, AR 71730-4416Phone: (870) 863-2000Fax: (870) 864-0202
- 1008 N Main StSikeston, MO 63801-5044Phone: (573) 471-1600Fax: (573) 472-7606
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2019-10-04
Frequently asked questions
- What is Michael Barnum's NPI number?
- Michael Barnum's National Provider Identifier (NPI) is 1093779209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Barnum's specialty?
- Michael Barnum is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Barnum located?
- Michael Barnum's practice location on file with NPPES is 300 Health Way Dr, Potosi, MO 63664-1420.
- What is Michael Barnum's phone number?
- The practice phone number listed in the NPPES registry for Michael Barnum is (573) 438-5451.
- Does Michael Barnum accept Medicare?
- Michael Barnum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Barnum's NPI active?
- Yes — Michael Barnum's NPI (1093779209) is active in the NPPES registry as of the last update on 2019-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.