NPPES file of Aug 9, 2026

Kumar Siddharth Lal, M.D.

Pulmonary Disease Physician · Chicago, IL

Kumar Siddharth Lal, M.D. is a pulmonary disease physician with a practice address in Chicago, Illinois, and NPI 1023541398, issued on Apr 4, 2017. Check the license (Illinois 036153347, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023541398
Name
Kumar Siddharth Lal
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
036153347 IL
Self-reported in NPPES; status is on the state search
Practice location
4025 N Western Ave Bldg E, Chicago, IL 60618
Phone
(773) 275-7700
Enumerated
Apr 4, 2017
Record last updated
Feb 2, 2024
Medicare enrollment
Enrolled (PECOS I20230605002088); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2017
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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8 nearest pulmonary disease physician records → All 617 in Illinois → Look up another NPI →

Also registered at 4025 N Western Ave Bldg E

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

  1. Aliyah AhmedFamily Medicine Physician1548899123
  2. Virgilio Caramay, FNP-BCFamily Nurse Practitioner1508332552
  3. Alesia Churyla, MDInternal Medicine Physician1437332418
  4. Leah Delfinado, MDObstetrics & Gynecology Physician1851593495
  5. Pooja Doshi, M.D.Obstetrics & Gynecology Physician1467608513
  6. Alyson Hu, LCSWClinical Social Worker1346472966

Verify Kumar Siddharth Lal 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 036153347    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

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64% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

513 Medicare Part D claims for 121 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.

  1. Kumar Lal513
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta115 claims
  2. Albuterol Sulfate Hfa64 claims
  3. Symbicort42 claims
  4. Budesonide-Formoterol Fumarate37 claims
  5. Montelukast Sodium24 claims
  6. Spiriva Respimat22 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.

Industry payments in 2024: $262.96

2 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kumar Lal$262.96
  2. Specialty average$5,159.88

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. Advocate Health And Hospitals CorporationBuffalo Grove, IL

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

Kumar Siddharth Lal among 617 pulmonary disease physician records in Illinois

Kumar Siddharth Lal, M.D. is one of 617 pulmonary disease 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 2017, is newer than 85% of them.

  • NPI issued2017 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2017 · median 2005 among the 444 with a school on file
  • Record last updated2024 · 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 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Illinois

There are 617 pulmonary disease physician records in Illinois.

All 617 in Illinois → Every provider in Chicago → Pulmonary Disease Physician nationwide →

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Glenn Beard, M. D.Chicago, IL 606161346317724
  2. Ashvini Damodaran, M.D.Chicago, IL 606161508159674
  3. Kamran Mahmood, M.D.Chicago, IL 606161992783377
  4. Nancy Quesada, MDChicago, IL 606161558393512
  5. Travis Yamanaka, MDChicago, IL 606161780827659
  6. Robert Zevin, MDChicago, IL 606161760455802
  7. Renaud Gueret, M.D.Chicago, IL 606151245336262
  8. Brahma Gupta, M.D.Chicago, IL 606211073589891

Common questions

What is Kumar Siddharth Lal, M.D.'s NPI number?

Kumar Siddharth Lal, M.D.'s National Provider Identifier (NPI) is 1023541398, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kumar Siddharth Lal, M.D. located?

The NPPES record lists a practice address at 4025 N Western Ave Bldg E, Chicago, IL, 60618. Phone: (773) 275-7700. Providers update this record themselves, so call before visiting.

How can I verify Kumar Siddharth Lal, M.D.'s license?

NPPES lists Illinois license number 036153347, 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 Kumar Siddharth Lal, M.D. prescribe under Medicare Part D?

In 2024, Kumar Siddharth Lal, M.D. had 513 Medicare Part D claims for 121 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.