NPPES file of Aug 9, 2026

Chinenye Onyekachi Udokwu, MD

Internal Medicine Physician · Saint Louis, MO

Chinenye Onyekachi Udokwu, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1629638325, issued on Jun 17, 2019. Check the license (Missouri 2024028795, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629638325
Name
Chinenye Onyekachi Udokwu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2024028795 MO
Self-reported in NPPES; status is on the state search
Practice location
10 Barnes West Dr, Saint Louis, MO 63141
Phone
(314) 454-7775
Enumerated
Jun 17, 2019
Record last updated
Apr 17, 2025
Fax
(314) 996-3087
Medicaid ID
200105979 MO
Medicare enrollment
Enrolled (PECOS I20250410002562); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10 Barnes West Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Beat, MDRadiation Oncology Physician1053341636
  2. Ellen Binder, MDGeriatric Medicine (Internal Medicine) Physician1578589701
  3. Omar Butt, MDMedical Oncology Physician1750731337
  4. David Carr, MDGeriatric Medicine (Internal Medicine) Physician1093733800
  5. Roberto Civitelli, MDEndocrinology, Diabetes & Metabolism Physician1194743872
  6. Charles Crecelius, MDGeriatric Medicine (Internal Medicine) Physician1215080312

Verify Chinenye Onyekachi Udokwu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2024028795
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

28 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Chinenye Udokwu28
  2. Specialty average3,176

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.

Industry payments in 2024: $115.52

1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chinenye Udokwu$115.52
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chinenye Onyekachi Udokwu among 2,604 internal medicine physician records in Missouri

Chinenye Onyekachi Udokwu, 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 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
  • Graduated2011 · 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).

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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Bauer, MDSaint Louis, MO 631411144222506
  2. Michele Bellamy, MDCreve Coeur, MO 631411134194863
  3. Shobha Dixit, MDSaint Louis, MO 631411902871650
  4. Carolyn Koenig, MDSaint Louis, MO 631411063488278
  5. Bernard McGuire, M.D.Saint Louis, MO 631411942274030
  6. Angela Miller, M.D.Saint Louis, MO 631411184605883
  7. C Molden, MDSaint Louis, MO 631411720086747
  8. Margaret Murphy, M.D.Saint Louis, MO 631411043285745

Common questions

What is Chinenye Onyekachi Udokwu, MD's NPI number?

Chinenye Onyekachi Udokwu, MD's National Provider Identifier (NPI) is 1629638325, issued on Jun 17, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Chinenye Onyekachi Udokwu, MD located?

The NPPES record lists a practice address at 10 Barnes West Dr, Saint Louis, MO, 63141. Phone: (314) 454-7775. Providers update this record themselves, so call before visiting.

How can I verify Chinenye Onyekachi Udokwu, MD's license?

NPPES lists Missouri license number 2024028795, 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 Chinenye Onyekachi Udokwu, MD prescribe under Medicare Part D?

In 2024, Chinenye Onyekachi Udokwu, MD had 28 Medicare Part D claims for 13 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.