Charles Bareis, MD
Internal Medicine Physician · Berwyn, IL
Charles Bareis, MD is an internal medicine physician with a practice address in Berwyn, Illinois, and NPI 1740212646, issued on Jul 7, 2006. Check the license (Illinois 036-080238, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Charles Bareis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-080238 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3231 Euclid Ave, Berwyn, IL 60402
- Phone
- (708) 783-7400
- Enumerated
- Jul 7, 2006
- Entity
- Type 1 · individual
Also registered at 3231 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amer Abboud, MDAnatomic Pathology & Clinical Pathology Physician1154348696
- Beamlak AdamuInternal Medicine Physician1710875588
- Joseph Alioto, M.D.Anesthesiology Physician1164685525
- Esther Alva, M.D.Infectious Disease Physician1720181043
- Muaz Assaf, MDInternal Medicine Physician1497337802
- Christopher Bane, M.D.Cardiovascular Disease Physician1467416578
Verify Charles Bareis 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 036-080238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
72 internal medicine physician records list a Berwyn practice address
They are 72 of the 1,031 NPPES records with a Berwyn practice address, and 8,522 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 72 in Berwyn → All 8,522 in Illinois → Every provider in Berwyn →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Charles Bareis, MD's NPI number?
Charles Bareis, MD's National Provider Identifier (NPI) is 1740212646, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Bareis, MD located?
The NPPES record lists a practice address at 3231 Euclid Ave, Berwyn, IL, 60402. Phone: (708) 783-7400. Providers update this record themselves, so call before visiting.
How can I verify Charles Bareis, MD's license?
NPPES lists Illinois license number 036-080238, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.