NPPES file of Aug 9, 2026

Marius Teodorescu, M.D.

Internal Medicine Physician · Lombard, IL

Marius Teodorescu, M.D. is an internal medicine physician with a practice address in Lombard, Illinois, and NPI 1326348970, issued on Oct 29, 2010. Check the license (Illinois 036.063049, 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
1326348970
Name
Marius Teodorescu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.063049 IL
Self-reported in NPPES; status is on the state search
Practice location
1111 N Main St, Lombard, IL 60148
Phone
(630) 627-6069
Enumerated
Oct 29, 2010
Record last updated
Oct 29, 2010 (not updated in 16 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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Verify Marius Teodorescu 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 036.063049
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

24 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Marius Teodorescu24
  2. Specialty average3,176

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.

Marius Teodorescu among 7,238 internal medicine physician records in Illinois

Marius Teodorescu, M.D. 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 2010, is newer than 51% of them.

  • NPI issued2010 · 51% of these records are older, 47% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2010 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kris Alloju, MDLombard, IL 601481760478671
  2. Julia Andreoni, M.D.Lombard, IL 601481184601148
  3. Carl Barsanti, M.D.Lombard, IL 601481861450637
  4. Ojash Bhagwakar, MDLombard, IL 601481740255298
  5. David Dungan, MDLombard, IL 601481558336057
  6. Catherine Grotelueschen, M.D.Lombard, IL 601481346208428
  7. Jacques Jentel, M.D.Lombard, IL 601481336115583
  8. Kathleen Kicsak, MDLombard, IL 601481235105396

Common questions

What is Marius Teodorescu, M.D.'s NPI number?

Marius Teodorescu, M.D.'s National Provider Identifier (NPI) is 1326348970, issued on Oct 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Marius Teodorescu, M.D. located?

The NPPES record lists a practice address at 1111 N Main St, Lombard, IL, 60148. Phone: (630) 627-6069. Providers update this record themselves, so call before visiting.

How can I verify Marius Teodorescu, M.D.'s license?

NPPES lists Illinois license number 036.063049, 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 Marius Teodorescu, M.D. prescribe under Medicare Part D?

In 2024, Marius Teodorescu, M.D. had 24 Medicare Part D claims; 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.