NPPES file of Aug 9, 2026

Jason Dy, MD

Internal Medicine Physician · Naperville, IL

Jason Dy, MD is an internal medicine physician with a practice address in Naperville, Illinois, and NPI 1396710265, issued on Feb 22, 2006. Check the license (Illinois 036089560, 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
1396710265
Name
Jason Dy
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036089560 IL
Self-reported in NPPES; status is on the state search
Practice location
2940 Rollingridge RD, Naperville, IL 60540
Phone
(630) 646-5800
Enumerated
Feb 22, 2006
Record last updated
Aug 7, 2023
Medicaid ID
036089560 IL
Medicare enrollment
Enrolled (PECOS I20040126000148); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1995
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 2940 Rollingridge RD

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

  1. Priti Amin, M.D.Pediatrics Physician1770561482
  2. Amanda Bachman, PTPhysical Therapist1265866826
  3. Leena Bird, P.T.Physical Therapist1528268406
  4. Jennifer Bren, PA-CMedical Physician Assistant1003211160
  5. Brian Burgess, DPMFoot & Ankle Surgery Podiatrist1285903146
  6. Giridhar Burra, M.D.Orthopaedic Surgery Physician1609874684

Verify Jason Dy 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 036089560
    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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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

7,916 Medicare Part D claims for 704 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 104 claims were for opioids.

  1. Jason Dy7,916
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium562 claims
  2. Atorvastatin Calcium385 claims
  3. Simvastatin315 claims
  4. Lisinopril309 claims
  5. Omeprazole288 claims
  6. Metformin Hcl285 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: $2,428.87

122 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Dy$2,428.87
  2. Specialty average$1,303.06

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. Dupage Medical Group LtdNaperville, IL

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

75 internal medicine physician records list a practice address in Naperville

They are 75 of the 4,634 NPPES records with a practice address in Naperville, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Jason Dy, MD's NPI number?

Jason Dy, MD's National Provider Identifier (NPI) is 1396710265, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Dy, MD located?

The NPPES record lists a practice address at 2940 Rollingridge RD, Naperville, IL, 60540. Phone: (630) 646-5800. Providers update this record themselves, so call before visiting.

How can I verify Jason Dy, MD's license?

NPPES lists Illinois license number 036089560, 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 Jason Dy, MD prescribe under Medicare Part D?

In 2024, Jason Dy, MD had 7,916 Medicare Part D claims for 704 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.