Rajanbir Singh, MD
Internal Medicine Physician · Springfield, IL
Rajanbir Singh, MD is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1124711023, issued on May 29, 2023. Check the license (Illinois 125081159, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Rajanbir Singh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125081159 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62781
- Phone
- (217) 545-5568
- Enumerated
- May 29, 2023
- Record last updated
- May 29, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 701 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rajanbir Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125081159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
178 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium35 claims
- Trazodone Hcl12 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.
Rajanbir Singh among 7,238 internal medicine physician records in Illinois
Rajanbir Singh, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 82% of them.
- NPI issued2023 · 82% of these records are older, 13% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2023 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Springfield
They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patrick Florido, M.D.Springfield, IL 627811437505765
- Kwesi Grant-Acquah, MDSpringfield, IL 627811669604468
- Sean Hayes, M.D.Springfield, IL 627811326337692
- Tami Hillis, M.D.Springfield, IL 627811467437459
- Vivan Tran, MDSpringfield, IL 627811144439944
- Shahrear Zaman, M.D.Springfield, IL 627811265859128
- Mosaab Ahmed, M.D.Springfield, IL 627701154632552
- Sachin AggarwalSpringfield, IL 627691841939840
Common questions
What is Rajanbir Singh, MD's NPI number?
Rajanbir Singh, MD's National Provider Identifier (NPI) is 1124711023, issued on May 29, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Rajanbir Singh, MD located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62781. Phone: (217) 545-5568. Providers update this record themselves, so call before visiting.
How can I verify Rajanbir Singh, MD's license?
NPPES lists Illinois license number 125081159, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rajanbir Singh, MD prescribe under Medicare Part D?
In 2024, Rajanbir Singh, MD had 178 Medicare Part D claims for 50 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.