Louis Emmett De La Garza, M.D.
Internal Medicine Physician · Chicago, IL
Louis Emmett De La Garza, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1740448323, issued on May 29, 2008. Check the license (Illinois 125051354, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Louis Emmett De La Garza
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125051354 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2929 S Ellis Ave, Chicago, IL 60616
- Phone
- (312) 791-2670
- Enumerated
- May 29, 2008
- Record last updated
- May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (312) 791-8006
- Medicare enrollment
- Enrolled (PECOS I20090714000422); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2929 S Ellis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Louis Emmett De La Garza 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 125051354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Loyola Medical Group LLCBerwyn, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Emmett De La Garza among 7,238 internal medicine physician records in Illinois
Louis Emmett De La Garza, 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 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2003 among the 3,580 with a school on file
- Record last updated2008 · 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).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nagib Ali, M.D.Chicago, IL 606161376529271
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- Azmina Bhaiji, M.D.Chicago, IL 606161487689634
- Edward Bleier, MDChicago, IL 606161649256744
- Danny Choy, D.OChicago, IL 606161376526954
- Linus Ema, DOChicago, IL 606161891728010
- Juhyun Ha, M.D.Chicago, IL 606161811913395
Common questions
What is Louis Emmett De La Garza, M.D.'s NPI number?
Louis Emmett De La Garza, M.D.'s National Provider Identifier (NPI) is 1740448323, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Louis Emmett De La Garza, M.D. located?
The NPPES record lists a practice address at 2929 S Ellis Ave, Chicago, IL, 60616. Phone: (312) 791-2670. Providers update this record themselves, so call before visiting.
How can I verify Louis Emmett De La Garza, M.D.'s license?
NPPES lists Illinois license number 125051354, 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), 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.