Maria Lentzou, M.D.
Internal Medicine Physician · Palos Heights, IL
Maria Lentzou, M.D. is an internal medicine physician with a practice address in Palos Heights, Illinois, and NPI 1124071139, issued on May 19, 2006. Check the license (Illinois 036100946, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Lentzou
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036100946 IL
Self-reported in NPPES; status is on the state search - Practice location
- 12050 S Harlem Ave Ste A, Palos Heights, IL 60463
- Phone
- (708) 671-1500
- Enumerated
- May 19, 2006
- Record last updated
- Jul 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (708) 671-1535
- Medicare enrollment
- Enrolled (PECOS I20050225000621); accepts Medicare assignment
- 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 12050 S Harlem Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leynard Martinez, MDFamily Medicine Physician1780613273
Verify Maria Lentzou 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 036100946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average internal medicine physician in 2024
5,933 Medicare Part D claims for 642 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. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium386 claims
- Levothyroxine Sodium256 claims
- Rosuvastatin Calcium224 claims
- Amlodipine Besylate208 claims
- Pantoprazole Sodium199 claims
- Metoprolol Succinate192 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
- Maria Lentzou MD SCPalos Heights, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Lentzou among 7,238 internal medicine physician records in Illinois
Maria Lentzou, 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
- Graduated1999 · median 2003 among the 3,580 with a school on file
- Record last updated2011 · 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).
34 internal medicine physician records list a practice address in Palos Heights
They are 34 of the 992 NPPES records with a practice address in Palos Heights, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Palos Heights → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Samina Chaudhry, M.D.Palos Heights, IL 604631467487884
- Matthew Fitz, MDPalos Heights, IL 604631205800513
- Florie Gonsch, D.O.Palos Heights, IL 604631831144476
- Noorun Khan, M.D.Palos Heights, IL 604631548234073
- Samina Khan, M.D.Palos Heights, IL 604631376512475
- Irma Kuptel, MDPalos Heights, IL 604631508808999
- James Miller, MDPalos Heights, IL 604631710933544
- Sandhya Nagubadi, M.D.Palos Heights, IL 604631043262207
Common questions
What is Maria Lentzou, M.D.'s NPI number?
Maria Lentzou, M.D.'s National Provider Identifier (NPI) is 1124071139, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Lentzou, M.D. located?
The NPPES record lists a practice address at 12050 S Harlem Ave Ste A, Palos Heights, IL, 60463. Phone: (708) 671-1500. Providers update this record themselves, so call before visiting.
How can I verify Maria Lentzou, M.D.'s license?
NPPES lists Illinois license number 036100946, 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 Maria Lentzou, M.D. prescribe under Medicare Part D?
In 2024, Maria Lentzou, M.D. had 5,933 Medicare Part D claims for 642 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.