MARIA OLGA CARDENAS MD
NPI 1154408375
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chicago, IL

Q: What is Maria Cardenas's NPI number?

The NPI number for Maria Cardenas is 1154408375. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Maria Cardenas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Maria Cardenas was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment

5140 N CALIFORNIA AVE STE 545, CHICAGO, IL 60625(773) 769-9200(773) 506-6083 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 10, 2022, Apr 18, 2017 (2 updates tracked since 2017).

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About Maria Olga Cardenas Md NPPES

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

MARIA OLGA CARDENAS MD (NPI 1154408375) is an individual endocrinology, diabetes & metabolism provider in Chicago, Illinois, licensed in Illinois (036118661) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Rush Medical College Of Rush University (2002).

NPPES Registry Identity

NPI1154408375

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameMARIA OLGA CARDENASCredential: MD

Location Address5140 N CALIFORNIA AVE STE 545Chicago, IL 60625-3660

Mailing Address5140 N California Ave Ste 545Chicago, IL 60625-3660 · (773) 769-9200 · Fax (773) 506-6083

Phone(773) 769-9200

Fax(773) 506-6083

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 2002

Enumeration DateNovember 1, 2006

Last NPPES UpdateFebruary 10, 20222 updates tracked since enumeration

NPPES CertifiedDecember 6, 2021

✔ NPI 1154408375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Licenses✔ Licensed in IL · 036118661✔ Licensed in WI · 54217

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

5140 N CALIFORNIA AVE STE 545, Chicago, IL 60625

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Olga Cardenas Md 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 ID9436223823

PECOS Enrollment IDI20141201000821

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.

Medicare Billing Reassignments

Medicare enrollment records show Maria Cardenas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Swedish Covenant Management Services, Inc

Same address

Emergency Medicine

5140 N CALIFORNIA AVE
Chicago, IL 60625

Reassigned Medicare billing, Illinois enrollment
350 clinicians in this Medicare group

NPI 1962049551 (847) 570-2040

Endeavor Health Medical Group

6.2 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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 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.

54 services35 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 patients

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.

25 services18 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

22 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140114

Location5145 N California AveChicago, IL 60625 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60625 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 2

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

8 suppliers14 claims46 services$5.19 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

3 suppliers12 claims12 services$179.35 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 2

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

NOLAN WOODARD FAUST MD

Internal Medicine (Gastroenterology)

5140 N CALIFORNIA AVE STE 545
CHICAGO, IL 60625

Cook County (773) 907-3038

CATHERINE WANG MD

Internal Medicine (Gastroenterology)

5140 N CALIFORNIA AVE STE 545
CHICAGO, IL 60625

Cook County (773) 907-3038

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 Cardenas's NPI number?

The NPI number for Maria Cardenas is 1154408375. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Maria Cardenas located?

Maria Cardenas practices at 5140 N California Ave Ste 545, Chicago, IL 60625. The listed phone number is (773) 769-9200.

What is Maria Cardenas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Maria Cardenas enrolled in Medicare?

Yes. Maria Cardenas 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.

Which organizations bill Medicare for Maria Cardenas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Cardenas reassigns Medicare benefits to 2 organizations: Swedish Covenant Management Services, Inc (Chicago, IL) and Endeavor Health Medical Group (Evanston, IL). Each 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 Maria Cardenas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Cardenas accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Maria Cardenas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maria Cardenas affiliated with any hospitals?

According to CMS data, Maria Cardenas is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Maria Cardenas was last updated on February 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.