Nirmal Singh
Internal Medicine Physician · Chicago, IL
Nirmal Singh is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1831757921, issued on Jun 3, 2019. Check the license (Illinois 125.074370, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nirmal Singh
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125.074370 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1500 S Fairfield Ave, Chicago, IL 60608
- Phone
- (559) 577-4180
- Enumerated
- Jun 3, 2019
- Record last updated
- Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221207002902); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1500 S Fairfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Candace Acuff, MD, MPHSurgical Critical Care Physician1235845025
Verify Nirmal 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 125.074370Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Community Health PartnersClovis, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nirmal Singh among 7,238 internal medicine physician records in Illinois
Nirmal Singh 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 2019, is newer than 68% of them.
- NPI issued2019 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2003 among the 3,580 with a school on file
- Record last updated2019 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Mohammed Kassem, M.DChicago, IL 606081023053808
- Gary Kaufman, M.D.Chicago, IL 606081447252457
- Mohammad Khamis, M.D.Chicago, IL 606081881687390
- Girija Kumar, M.D.Chicago, IL 606081861486250
- Jairo Mejia, M.D.Chicago, IL 606081952361164
- Raymond Narh, M.DChicago, IL 606081205846300
Common questions
What is Nirmal Singh's NPI number?
Nirmal Singh's National Provider Identifier (NPI) is 1831757921, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nirmal Singh located?
The NPPES record lists a practice address at 1500 S Fairfield Ave, Chicago, IL, 60608. Phone: (559) 577-4180. Providers update this record themselves, so call before visiting.
How can I verify Nirmal Singh's license?
NPPES lists Illinois license number 125.074370, 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.
What is Nirmal Singh's MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.