Michael Cox, MD
NPI 1154334860 · Critical Care Medicine (Internal Medicine) Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Cox, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Saint Louis, MO (NPI 1154334860).
Provider details
- NPI number
- 1154334860
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R8J98 (MO)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
921 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 477 | $193 |
| Critical Care, First 30-74 Minutes99291 | 163 | $203 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 97 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 95 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 31 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 25 | $73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2021-08-05
- Certified
- 2021-08-05
Frequently asked questions
- What is Michael Cox's NPI number?
- Michael Cox's National Provider Identifier (NPI) is 1154334860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Cox's specialty?
- Michael Cox is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Cox located?
- Michael Cox's practice location on file with NPPES is 621 S New Ballas Rd, Saint Louis, MO 63141-8232.
- What is Michael Cox's phone number?
- The practice phone number listed in the NPPES registry for Michael Cox is (314) 251-6486.
- Does Michael Cox accept Medicare?
- Michael Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Cox's NPI active?
- Yes — Michael Cox's NPI (1154334860) is active in the NPPES registry as of the last update on 2021-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.