NPPES file of Aug 9, 2026

Thomas Edward Lad, M.D.

Medical Oncology Physician · Chicago, IL

Thomas Edward Lad, M.D. is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1972511632, issued on Aug 4, 2006. Check the license (Illinois 036-045861, 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
1972511632
Name
Thomas Edward Lad
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
036-045861 IL
036045861 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St, Chicago, IL 60612
Phone
(312) 864-6000
Enumerated
Aug 4, 2006
Record last updated
Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1901 W Harrison St

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

  1. Elias Abate, M.D.Internal Medicine Physician1336712199
  2. Ayesha Abbasi, MDInternal Medicine Physician1376216705
  3. Milagros Abellera, APNNurse Practitioner1528076239
  4. Annette Abraham, MDInfectious Disease Physician1083195093
  5. Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
  6. Bryan Acevedo, MDInternal Medicine Physician1598459612

Verify Thomas Edward Lad 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 036-045861
    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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17% more Medicare Part D claims than the average medical oncology physician in 2024

819 Medicare Part D claims for 127 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 124 claims were for opioids.

  1. Thomas Lad819
  2. Specialty average703

Most prescribed

  1. Revlimid69 claims
  2. Hydrocodone-Acetaminophen60 claims
  3. Lenalidomide51 claims
  4. Pantoprazole Sodium34 claims
  5. Anastrozole30 claims
  6. Tagrisso30 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.6 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.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $168.93

6 payments; by number, the most common kind was food and beverage; the largest payer was SpringWorks Therapeutics, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Lad$169
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Thomas Edward Lad among 182 medical oncology physician records in Illinois

Thomas Edward Lad, M.D. is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 43% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2021 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Illinois

There are 182 medical oncology physician records in Illinois.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Marta Batus, MDChicago, IL 606121003087768
  2. Philip Bonomi, M.D.Chicago, IL 606121235198573
  3. Melody Cobleigh, M.D.Chicago, IL 606121861451122
  4. Kevin Conlon, M.D.Chicago, IL 606121013977370
  5. Mary Fidler, M.D.Chicago, IL 606121598960494
  6. Katherine Kabaker, M.D.Chicago, IL 606121699951137
  7. Sarah Lincoln, M.D.Chicago, IL 606121841250552
  8. Susan McDunn, MDChicago, IL 606121821002098

Common questions

What is Thomas Edward Lad, M.D.'s NPI number?

Thomas Edward Lad, M.D.'s National Provider Identifier (NPI) is 1972511632, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Edward Lad, M.D. located?

The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-6000. Providers update this record themselves, so call before visiting.

How can I verify Thomas Edward Lad, M.D.'s license?

NPPES lists Illinois license number 036-045861, 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 Thomas Edward Lad, M.D. prescribe under Medicare Part D?

In 2024, Thomas Edward Lad, M.D. had 819 Medicare Part D claims for 127 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Thomas Edward Lad, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.6 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.