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ELENA R LOPEZ MD
NPI 1831161132
Family Medicine in Chicago, IL

Active since February 02, 2006PECOS Enrolled
1940 W 18TH ST FL 1, CHICAGO, IL 60608(773) 254-1400 Get Directions Write a Review

NPPES record last updated: June 20, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2020, Sep 12, 2017, Jun 30, 2017 and 1 more (4 updates tracked since 2015).

About Elena R Lopez Md NPPES

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

ELENA R LOPEZ MD (NPI 1831161132) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036-104170) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831161132
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameELENA R LOPEZCredential: MD
Location Address1940 W 18TH ST FL 1Chicago, IL 60608-1903
Mailing Address966 W 21st StChicago, IL 60608-4511 · (773) 254-1400
Phone(773) 254-1400
Sole ProprietorNo
Enumeration DateFebruary 2, 2006
Last NPPES UpdateJune 20, 20224 updates tracked since enumeration
NPPES CertifiedJune 20, 2022
✔ NPI 1831161132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036-104170✔ Licensed in MO · 2015030335✔ Licensed in CA · C149479
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1940 W 18TH ST FL 1, Chicago, IL 60608
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Other Identifiers 1

Medicaid036104170IL

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elena R Lopez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Missouri Delta Medical Center
358 mi
Internal Medicine
1008 N MAIN ST
Sikeston, MO 63801
  • Reassigned Medicare billing, Missouri enrollment
  • 203 clinicians in this Medicare group
NPI 1508967860 (573) 471-1600
County Of San Joaquin
1,794 mi
Multi-Specialty
283 SPRECKELS AVE
Manteca, CA 95336
  • Reassigned Medicare billing, California enrollment
  • 534 clinicians in this Medicare group
NPI 1417407636 (209) 953-6400

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60608 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
1 supplier12 claims12 services$8.50 avg. paid by Medicare
Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds K0823
DME-Wheelchairs · category DD009N
1 supplier12 claims12 services$99.92 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Elena Lopez's NPI number?

The NPI number for Elena Lopez is 1831161132. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Elena Lopez located?

Elena Lopez practices at 1940 W 18th St Fl 1, Chicago, IL 60608. The listed phone number is (773) 254-1400.

What is Elena Lopez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Elena Lopez enrolled in Medicare?

Yes. Elena Lopez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elena Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elena Lopez reassigns Medicare benefits to 2 organizations: Missouri Delta Medical Center (Sikeston, MO) and County Of San Joaquin (Manteca, CA). 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 Elena Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elena Lopez accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Elena Lopez 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.

When was this NPI record last updated?

The NPPES record for Elena Lopez was last updated on June 20, 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.