Chisom Eze, MD
Internal Medicine Physician · Saint Louis, MO
Chisom Eze, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1821527649, issued on Jun 6, 2017. Check the license (Missouri 2020024378, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Chisom Eze
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2020024378 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3637 S Geyer RD, Saint Louis, MO 63127
- Phone
- (314) 525-1887
- Enumerated
- Jun 6, 2017
- Record last updated
- Jul 21, 2026
- Fax
- (314) 525-1868
- Medicare enrollment
- Enrolled (PECOS I20201130002054); 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 3637 S Geyer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Nash, M.D.Family Medicine Physician1376577825
Verify Chisom Eze 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 2020024378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,690 Medicare Part D claims for 347 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 411 claims were for opioids.
Most prescribed
- Sertraline Hcl651 claims
- Levothyroxine Sodium606 claims
- Furosemide556 claims
- Amlodipine Besylate544 claims
- Eliquis527 claims
- Atorvastatin Calcium455 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 one group practice
- Mercy Clinic East CommunitiesSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chisom Eze among 2,604 internal medicine physician records in Missouri
Chisom Eze, MD 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 2017, is newer than 67% of them.
- NPI issued2017 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2006 among the 1,443 with a school on file
- Record last updated2026 · 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).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Bettonville, M.D.St Louis, MO 631271144273657
- Amita Bhalla, M.D.Saint Louis, MO 631271396754842
- Sirisha Brosch, M.D.Saint Louis, MO 631271215197173
- Mary Ehlman, MDSaint Louis, MO 631271235579012
- Robert Fischer, M.D.St Louis, MO 631271548214455
- Kelly Gage, M.D.St Louis, MO 631271710930219
- Justin Huynh, M.D.Saint Louis, MO 631271902096613
- Howard Kohn, MDSaint Louis, MO 631271053496745
Common questions
What is Chisom Eze, MD's NPI number?
Chisom Eze, MD's National Provider Identifier (NPI) is 1821527649, issued on Jun 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chisom Eze, MD located?
The NPPES record lists a practice address at 3637 S Geyer RD, Saint Louis, MO, 63127. Phone: (314) 525-1887. Providers update this record themselves, so call before visiting.
How can I verify Chisom Eze, MD's license?
NPPES lists Missouri license number 2020024378, 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 Chisom Eze, MD prescribe under Medicare Part D?
In 2024, Chisom Eze, MD had 13,690 Medicare Part D claims for 347 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.