Jacques J. Jentel, M.D.
Internal Medicine Physician · Lombard, IL
Jacques J. Jentel, M.D. is an internal medicine physician with a practice address in Lombard, Illinois, and NPI 1336115583, issued on Feb 27, 2006. Check the license (Illinois 036095183, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jacques J. Jentel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036095183 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1801 S. Highland Avenue, Lombard, IL 60148
- Phone
- (630) 627-4722
- Enumerated
- Feb 27, 2006
- Record last updated
- May 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (630) 627-9134
- Medicaid ID
- 036095183 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Jacques J. Jentel 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 036095183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,559 Medicare Part D claims for 280 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.
Most prescribed
- Atorvastatin Calcium121 claims
- Rosuvastatin Calcium76 claims
- Metoprolol Succinate75 claims
- Allopurinol62 claims
- Levothyroxine Sodium58 claims
- Metformin Hcl58 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.
Jacques J. Jentel among 7,238 internal medicine physician records in Illinois
Jacques J. Jentel, 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 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 fileNo · 50% of these records are
- Record last updated2015 · 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
- David Dungan, MDLombard, IL 601481558336057
- Catherine Grotelueschen, M.D.Lombard, IL 601481346208428
- Kathleen Kicsak, MDLombard, IL 601481235105396
- Michael Kwiecinski, M.D.Lombard, IL 601481891753943
Common questions
What is Jacques J. Jentel, M.D.'s NPI number?
Jacques J. Jentel, M.D.'s National Provider Identifier (NPI) is 1336115583, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jacques J. Jentel, M.D. located?
The NPPES record lists a practice address at 1801 S. Highland Avenue, Lombard, IL, 60148. Phone: (630) 627-4722. Providers update this record themselves, so call before visiting.
How can I verify Jacques J. Jentel, M.D.'s license?
NPPES lists Illinois license number 036095183, 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 Jacques J. Jentel, M.D. prescribe under Medicare Part D?
In 2024, Jacques J. Jentel, M.D. had 1,559 Medicare Part D claims for 280 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.