NPPES file of Aug 9, 2026

Nidhi Akhileshwar Singh, M.D.

Gastroenterology Physician · Chicago, IL

Nidhi Akhileshwar Singh, M.D. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1356501373, issued on Jun 12, 2008. Check the license (Illinois 036-112449, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356501373
Name
Nidhi Akhileshwar Singh
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036-112449 IL
Self-reported in NPPES; status is on the state search
Practice location
259 E Erie St, Chicago, IL 60611
Phone
(312) 926-6000
Enumerated
Jun 12, 2008
Record last updated
May 16, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(312) 926-6323
Medicare enrollment
Enrolled (PECOS I20080915000278); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 2002
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 259 E Erie St

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

  1. Adeola Adeoye, APNAcute Care Nurse Practitioner1598103459
  2. Ann Allie, M.D.Geriatric Medicine (Internal Medicine) Physician1619162955
  3. Kenneth Arbetter, MDInternal Medicine Physician1336132851
  4. Elizabeth Bailey, P.A.Physician Assistant1154670198
  5. Kent Bailey, M.D.Emergency Medicine Physician1821171844
  6. Lia Bernardi, M.D.Reproductive Endocrinology Physician1467784579

Verify Nidhi Akhileshwar Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-112449
    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 Illinois 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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28% fewer Medicare Part D claims than the average gastroenterology physician in 2024

586 Medicare Part D claims for 213 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Nidhi Singh586
  2. Specialty average811

Most prescribed

  1. Omeprazole218 claims
  2. Peg 3350-Electrolyte69 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf54 claims
  4. Linzess32 claims
  5. Esomeprazole Magnesium30 claims
  6. Ondansetron Odt19 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationChicago, IL

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

Nidhi Akhileshwar Singh among 887 gastroenterology physician records in Illinois

Nidhi Akhileshwar Singh, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.

  • NPI issued2008 · 55% of these records are older, 39% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2002 · median 2003 among the 643 with a school on file
  • Record last updated2016 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Greg Cohen, M.D.Chicago, IL 606111669447348
  2. Maria Ferreira, MDChicago, IL 606111194755421
  3. Robin Fintel, M.D.Chicago, IL 606111023083250
  4. Steven Flamm, MDChicago, IL 606111912937244
  5. Melvin Goldstein, M.D.Chicago, IL 606111376531400
  6. Nirmala Gonsalves, MDChicago, IL 606111326038712
  7. Richard Green, MDChicago, IL 606111770511404
  8. Joseph Karacic, MDChicago, IL 606111992798417

Common questions

What is Nidhi Akhileshwar Singh, M.D.'s NPI number?

Nidhi Akhileshwar Singh, M.D.'s National Provider Identifier (NPI) is 1356501373, issued on Jun 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nidhi Akhileshwar Singh, M.D. located?

The NPPES record lists a practice address at 259 E Erie St, Chicago, IL, 60611. Phone: (312) 926-6000. Providers update this record themselves, so call before visiting.

How can I verify Nidhi Akhileshwar Singh, M.D.'s license?

NPPES lists Illinois license number 036-112449, 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 Nidhi Akhileshwar Singh, M.D. prescribe under Medicare Part D?

In 2024, Nidhi Akhileshwar Singh, M.D. had 586 Medicare Part D claims for 213 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Nidhi Akhileshwar Singh, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. 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.