MARIA LENTZOU MD SC
NPI 1316144249
Internal Medicine in Palos Heights, IL
About Maria Lentzou Md Sc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA LENTZOU MD SC (NPI 1316144249) is a healthcare organization registered as an internal medicine in Palos Heights, Illinois and active in the NPI registry since July 2007. The organization lists Maria Lentzou, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maria Lentzou Md Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Maria Lentzou MD Sc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maria Lentzou MD Sc's NPI number?
The NPI number for Maria Lentzou MD Sc is 1316144249. It was assigned to this organization in the NPPES registry on July 3, 2007.
Where is Maria Lentzou MD Sc located?
Maria Lentzou MD Sc is located at 12050 S Harlem Ave Suite A, Palos Heights, IL 60463. The listed phone number is (708) 671-1500.
What is Maria Lentzou MD Sc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Maria Lentzou MD Sc enrolled in Medicare?
Yes. Maria Lentzou MD Sc is registered in the Medicare PECOS enrollment system.
When is Maria Lentzou MD Sc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Maria Lentzou MD Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Maria Lentzou MD Sc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (6), Family Practice (1) and Internal Medicine (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Maria Lentzou MD Sc was last updated on February 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Maria Lentzou Md Sc · NPI 1316144249
Internal Medicine organization in Palos Heights, Illinois. Organization record, active in the CMS NPPES registry since July 3, 2007.
## Identity
- **NPI:** 1316144249 (Entity type: Organization)
- **Enumerated:** July 3, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Maria Lentzou, PHYSICIAN
## Practice location
- **Address:** 12050 S HARLEM AVE, SUITE A, Palos Heights, IL 60463-1470
- **Phone:** (708) 671-1500 · **Fax:** (708) 671-1535
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Illinois, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 8 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (6), Family Practice (1), Internal Medicine (1); 1 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 17, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1316144249) · Data from the CMS NPPES public registry.