DR. MARIA LENTZOU M.D.
NPI 1124071139
Internal Medicine in Palos Heights, IL

Active since May 19, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 14D2067957 · Waiver
12050 S HARLEM AVE STE A, PALOS HEIGHTS, IL 60463(708) 671-1500(708) 671-1535 Get Directions Write a Review

NPPES record last updated: July 27, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Maria Lentzou M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIA LENTZOU M.D. (NPI 1124071139) is an individual internal medicine provider in Palos Heights, Illinois, licensed in Illinois (036100946) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 23, 2027, and is affiliated with Advocate Trinity Hospital.

NPPES Registry Identity

NPI1124071139
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARIA LENTZOUCredential: M.D.
Location Address12050 S HARLEM AVE STE APalos Heights, IL 60463-2803
Mailing Address12050 S Harlem Avenue, Unit APalos Heights, IL 60463-1141 · (708) 671-1500 · Fax (708) 671-1535
Fax(708) 671-1535
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 27, 2011
NPI 1124071139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036100946
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
12050 S HARLEM AVE STE A, Palos Heights, IL 60463

Other Identifiers 1

Medicare UPINH38671

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Maria Lentzou M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810940251
PECOS Enrollment IDI20050225000621
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2067957

Maria Lentzou M D S C · Palos Heights, IL
Active · expires Oct 23, 2027
CLIA Number14D2067957
Laboratory TypePhysician Office
Certificate Effective DateOctober 24, 2025
Certificate Expiration DateOctober 23, 2027
Laboratory DirectorMaria Lentzou M D
Laboratory Phone(708) 671-1500
Laboratory LocationMaria Lentzou M D S C12050 S Harlem Ave, Unit A, Palos Heights, IL 60463
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 30

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
1,211 services531 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,128 services538 patients
Face-to-face behavioral counseling for obesity, 15 minutes G0447
This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.
809 services276 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
793 services393 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
562 services543 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
522 services522 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60463 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
24 suppliers68 claims224 services$5.88 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
15 suppliers33 claims48 services$0.90 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers15 claims15 services$184.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
12050 S HARLEM AVE STE A
PALOS HEIGHTS, IL 60463

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's NPI number?

The NPI number for Maria Lentzou is 1124071139. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Maria Lentzou located?

Maria Lentzou practices at 12050 S Harlem Ave Ste A, Palos Heights, IL 60463. The listed phone number is (708) 671-1500.

What is Maria Lentzou's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maria Lentzou enrolled in Medicare?

Yes. Maria Lentzou is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Maria Lentzou hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2067957) is associated with this NPI, valid through October 23, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Maria Lentzou affiliated with any hospitals?

According to CMS data, Maria Lentzou is affiliated with Advocate Trinity Hospital, Palos Community Hospital and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Lentzou was last updated on July 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.