Eileen M. Collins, M.D.
Internal Medicine Physician · Lombard, IL
Eileen M. Collins, M.D. is an internal medicine physician with a practice address in Lombard, Illinois, and NPI 1851359103, issued on May 3, 2006. Check the license (Illinois 036-093296, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Eileen M. Collins
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-093296 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2340 S Highland Ave, Lombard, IL 60148
- Phone
- (630) 932-2020
- Enumerated
- May 3, 2006
- Record last updated
- Jun 10, 2022
- Fax
- (630) 932-4688
- Medicaid ID
- 036-093296 IL
- Medicare enrollment
- Enrolled (PECOS I20040309001022); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1993
- 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 2340 S Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohan Airan, MDSurgery Physician1417980988
- Marcin Baber, M.D.Internal Medicine Physician1992918510
- Carl Barsanti, M.D.Internal Medicine Physician1861450637
- Mary Barton, CNPAdult Health Nurse Practitioner1437226594
- Davena Beal, PMH-NPPsychiatric/Mental Health Nurse Practitioner1407391212
- John Belmonte, M.D.Surgery Physician1184603060
Verify Eileen M. Collins 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 036-093296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,582 Medicare Part D claims for 617 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 89 claims were for opioids.
Most prescribed
- Levothyroxine Sodium594 claims
- Atorvastatin Calcium438 claims
- Rosuvastatin Calcium330 claims
- Amlodipine Besylate316 claims
- Losartan Potassium282 claims
- Omeprazole266 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).
Eileen M. Collins among 7,238 internal medicine physician records in Illinois
Eileen M. Collins, 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 fileYes · 50% of these records are
- Graduated1993 · median 2003 among the 3,580 with a school on file
- Record last updated2022 · 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
- Jacques Jentel, M.D.Lombard, IL 601481336115583
- Kathleen Kicsak, MDLombard, IL 601481235105396
Common questions
What is Eileen M. Collins, M.D.'s NPI number?
Eileen M. Collins, M.D.'s National Provider Identifier (NPI) is 1851359103, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eileen M. Collins, M.D. located?
The NPPES record lists a practice address at 2340 S Highland Ave, Lombard, IL, 60148. Phone: (630) 932-2020. Providers update this record themselves, so call before visiting.
How can I verify Eileen M. Collins, M.D.'s license?
NPPES lists Illinois license number 036-093296, 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 Eileen M. Collins, M.D. prescribe under Medicare Part D?
In 2024, Eileen M. Collins, M.D. had 7,582 Medicare Part D claims for 617 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.