Rajesh Kumar Singh, M.D.
Internal Medicine Physician · Chesterfield, MO
Rajesh Kumar Singh, M.D. is an internal medicine physician with a practice address in Chesterfield, Missouri, and NPI 1083841902, issued on Jun 18, 2009. Check the license (Missouri 2009013415, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rajesh Kumar Singh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2009013415 MO
Self-reported in NPPES; status is on the state search - Practice location
- 232 S Woods Mill RD, Chesterfield, MO 63017
- Phone
- (314) 434-1500
- Enumerated
- Jun 18, 2009
- Record last updated
- Feb 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20220218000615); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 232 S Woods Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rajesh Kumar Singh 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 2009013415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,802 Medicare Part D claims for 239 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 152 claims were for opioids.
Most prescribed
- Furosemide498 claims
- Levothyroxine Sodium358 claims
- Atorvastatin Calcium342 claims
- Eliquis293 claims
- Sertraline Hcl278 claims
- Pantoprazole Sodium269 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
- Physician Specialists OF St. Luke'S, LLCChesterfield, MO
- St Anthonys Physician Organization Hospitalist Services LCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rajesh Kumar Singh among 2,604 internal medicine physician records in Missouri
Rajesh Kumar Singh, M.D. 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 2009, is newer than 50% of them.
- NPI issued2009 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2009 · median 2006 among the 1,443 with a school on file
- Record last updated2023 · 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).
142 internal medicine physician records list a practice address in Chesterfield
They are 142 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Chesterfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohammad Ahmed, MDChesterfield, MO 630171386636447
- Kae Chang, MDChesterfield, MO 630171316910243
- John Davidson, MDChesterfield, MO 630171306833801
- David Galli, M.D.Chesterfield, MO 630171255323374
- Thomas Hastings, MDChesterfield, MO 630171841281870
- John Helton, MDChesterfield, MO 630171417921156
- Richard Kozeny, MDChesterfield, MO 630171255319810
- Mark Novack, MDChesterfield, MO 630171114918737
Common questions
What is Rajesh Kumar Singh, M.D.'s NPI number?
Rajesh Kumar Singh, M.D.'s National Provider Identifier (NPI) is 1083841902, issued on Jun 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rajesh Kumar Singh, M.D. located?
The NPPES record lists a practice address at 232 S Woods Mill RD, Chesterfield, MO, 63017. Phone: (314) 434-1500. Providers update this record themselves, so call before visiting.
How can I verify Rajesh Kumar Singh, M.D.'s license?
NPPES lists Missouri license number 2009013415, 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 Rajesh Kumar Singh, M.D. prescribe under Medicare Part D?
In 2024, Rajesh Kumar Singh, M.D. had 8,802 Medicare Part D claims for 239 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.