NPPES file of Aug 9, 2026

Neil K. Dalal, DO

Hematology & Oncology Physician · Downers Grove, IL

Neil K. Dalal, DO is a hematology & oncology physician with a practice address in Downers Grove, Illinois, and NPI 1275775454, issued on Apr 2, 2009. Check the license (Illinois 036128814, 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
1275775454
Name
Neil K. Dalal
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
036128814 IL
125.055705 IL
Self-reported in NPPES; status is on the state search
Practice location
3745 Highland Ave FL 2, Downers Grove, IL 60515
Phone
(630) 369-1501
Enumerated
Apr 2, 2009
Record last updated
Apr 30, 2025
Medicare enrollment
Enrolled (PECOS I20150730012508); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2009
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 3745 Highland Ave FL 2

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

  1. Dennis Azuma, MDHematology & Oncology Physician1477658862
  2. Katy Goldsborough, MDHematology & Oncology Physician1528224128
  3. Suchin Khanna, MDHematology & Oncology Physician1952729782

Verify Neil K. Dalal 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 036128814
    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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41% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,235 Medicare Part D claims for 216 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 83 claims were for opioids.

  1. Neil Dalal1,235
  2. Specialty average877

Most prescribed

  1. Eliquis118 claims
  2. Anastrozole114 claims
  3. Warfarin Sodium75 claims
  4. Prochlorperazine Maleate68 claims
  5. Hydrocodone-Acetaminophen44 claims
  6. Hydroxyurea43 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.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationPark Ridge, IL

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

Neil K. Dalal among 666 hematology & oncology physician records in Illinois

Neil K. Dalal, DO is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 59% of them.

  • NPI issued2009 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2009 · median 2003 among the 461 with a school on file
  • Record last updated2025 · 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 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Illinois

There are 666 hematology & oncology physician records in Illinois.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Dennis Azuma, MDDowners Grove, IL 605151477658862
  2. Katy Goldsborough, MDDowners Grove, IL 605151528224128
  3. Suchin Khanna, MDDowners Grove, IL 605151952729782
  4. Refat Baridi, MDWoodridge, IL 605171285622621
  5. Liyun Huang, FNPWoodridge, IL 605171730634700
  6. V Kuchipudi, M.D.Brookfield, IL 605131265492128
  7. Jay Dalal, MDHinsdale, IL 605211770627184
  8. Rekha Harting, M.D.Hinsdale, IL 605211467659318

Common questions

What is Neil K. Dalal, DO's NPI number?

Neil K. Dalal, DO's National Provider Identifier (NPI) is 1275775454, issued on Apr 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Neil K. Dalal, DO located?

The NPPES record lists a practice address at 3745 Highland Ave FL 2, Downers Grove, IL, 60515. Phone: (630) 369-1501. Providers update this record themselves, so call before visiting.

How can I verify Neil K. Dalal, DO's license?

NPPES lists Illinois license number 036128814, 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 Neil K. Dalal, DO prescribe under Medicare Part D?

In 2024, Neil K. Dalal, DO had 1,235 Medicare Part D claims for 216 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.