David Dungan, MD
Internal Medicine Physician · Lombard, IL
David Dungan, MD is an internal medicine physician with a practice address in Lombard, Illinois, and NPI 1558336057, issued on Feb 20, 2006. Check the license (Illinois 036080192, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David Dungan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036080192 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1801 S Highland Ave, Lombard, IL 60148
- Phone
- (630) 627-4722
- Enumerated
- Feb 20, 2006
- Record last updated
- Aug 7, 2023
- Medicaid ID
- 036080192 IL
- Medicare enrollment
- Enrolled (PECOS I20040216000291); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1801 S Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Dungan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036080192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average internal medicine physician in 2024
6,032 Medicare Part D claims for 495 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 128 claims were for opioids.
Most prescribed
- Atorvastatin Calcium461 claims
- Amlodipine Besylate243 claims
- Levothyroxine Sodium222 claims
- Metoprolol Succinate214 claims
- Rosuvastatin Calcium187 claims
- Lisinopril185 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
- Dupage Medical Group LtdLombard, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Dungan among 7,238 internal medicine physician records in Illinois
David Dungan, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1988 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Lombard
They are 38 of the 1,347 NPPES records with a practice address in Lombard, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Lombard → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kris Alloju, MDLombard, IL 601481760478671
- Julia Andreoni, M.D.Lombard, IL 601481184601148
- Carl Barsanti, M.D.Lombard, IL 601481861450637
- Ojash Bhagwakar, MDLombard, IL 601481740255298
- Catherine Grotelueschen, M.D.Lombard, IL 601481346208428
- Jacques Jentel, M.D.Lombard, IL 601481336115583
- Kathleen Kicsak, MDLombard, IL 601481235105396
- Michael Kwiecinski, M.D.Lombard, IL 601481891753943
Common questions
What is David Dungan, MD's NPI number?
David Dungan, MD's National Provider Identifier (NPI) is 1558336057, issued on Feb 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Dungan, MD located?
The NPPES record lists a practice address at 1801 S Highland Ave, Lombard, IL, 60148. Phone: (630) 627-4722. Providers update this record themselves, so call before visiting.
How can I verify David Dungan, MD's license?
NPPES lists Illinois license number 036080192, 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 David Dungan, MD prescribe under Medicare Part D?
In 2024, David Dungan, MD had 6,032 Medicare Part D claims for 495 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.