Muhammad Umar, DO
Internal Medicine Physician · Lake St Louis, MO
Muhammad Umar, DO is an internal medicine physician with a practice address in Lake St Louis, Missouri, and NPI 1942760731, issued on Mar 20, 2019. Check the license (Missouri 2022010987, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Muhammad Umar
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2022010987 MO
Self-reported in NPPES; status is on the state search - Practice location
- 100 Medical Plz, Lake St Louis, MO 63367
- Phone
- (636) 625-5200
- Enumerated
- Mar 20, 2019
- Record last updated
- Mar 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20220720001900); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 100 Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amanda Bratton, RD, LDMetabolic Nutrition Registered Dietitian1710252440
Verify Muhammad Umar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2022010987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
702 Medicare Part D claims for 325 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Prednisone45 claims
- Losartan Potassium43 claims
- Cefdinir33 claims
- Metoprolol Succinate27 claims
- Spironolactone26 claims
- Atorvastatin Calcium24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Med Clinical Practice LLCClayton, MO
- Sound Physicians OF Illinois LLCLake Saint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Muhammad Umar among 2,604 internal medicine physician records in Missouri
Muhammad Umar, DO is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 72% of them.
- NPI issued2019 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2019 · median 2006 among the 1,443 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Lake St Louis
They are 7 of the 264 NPPES records with a practice address in Lake St Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Lake St Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olujoke Brimah Jones, MDLake St Louis, MO 633671629028667
- Thulasi Ram Gogireddy, M.D.Lake St Louis, MO 633671568725505
- Paul Hinton, MDLake St Louis, MO 633671639130263
- Umesh Inampudi, M.D.Lake St Louis, MO 633671427121227
- Jayadev Sajja, MDLake St Louis, MO 633671194416107
- Aashray Singareddy, MDLake Saint Louis, MO 633671104442748
- Paul Vatterott, M.D.Lake St Louis, MO 633671346239381
- Ronald Wepprich, M.D.Lake Saint Louis, MO 633671861474785
Common questions
What is Muhammad Umar, DO's NPI number?
Muhammad Umar, DO's National Provider Identifier (NPI) is 1942760731, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Muhammad Umar, DO located?
The NPPES record lists a practice address at 100 Medical Plz, Lake St Louis, MO, 63367. Phone: (636) 625-5200. Providers update this record themselves, so call before visiting.
How can I verify Muhammad Umar, DO's license?
NPPES lists Missouri license number 2022010987, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Muhammad Umar, DO prescribe under Medicare Part D?
In 2024, Muhammad Umar, DO had 702 Medicare Part D claims for 325 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.