Muhammad Umar, DO
NPI 1942760731 · Internal Medicine Physician · Lake St Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Umar, DO is a Internal Medicine Physician provider in Lake St Louis, MO (NPI 1942760731).
Provider details
- NPI number
- 1942760731
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2022010987 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
990 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 425 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 290 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 153 | $106 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 64 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 34 | $165 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 45 | 42 |
| Losartan Potassium | 43 | 28 |
| Cefdinir | 33 | 33 |
| Metoprolol Succinate | 27 | 22 |
| Spironolactone | 26 | 22 |
| Furosemide | 24 | 23 |
| Atorvastatin Calcium | 24 | 23 |
Practice location
Mailing address
Additional practice locations (5)
- 998 Woods Mill RdBallwin, MO 63011-5101Phone: (636) 288-4149
- 401 Corporate Park DrClayton, MO 63105-4201Phone: (636) 288-4149
- 11160 Village North DrJennings, MO 63136-6159Phone: (636) 288-4149
- 4455 Duncan AveSaint Louis, MO 63110-1111Phone: (636) 288-4149
- 10 Hospital Dr Fl 3Saint Peters, MO 63376-1659Phone: (636) 288-4149
Registry dates
- Enumerated
- 2019-03-20
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is Muhammad Umar's NPI number?
- Muhammad Umar's National Provider Identifier (NPI) is 1942760731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Umar's specialty?
- Muhammad Umar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Umar located?
- Muhammad Umar's practice location on file with NPPES is 100 Medical Plz, Lake St Louis, MO 63367-1366.
- What is Muhammad Umar's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Umar is (636) 625-5200.
- Does Muhammad Umar accept Medicare?
- Muhammad Umar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Umar's NPI active?
- Yes — Muhammad Umar's NPI (1942760731) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.