BERTHA A LOPEZ MD
NPI 1578582979
Obstetrics & Gynecology in Oak Park, IL
About Bertha A Lopez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BERTHA A LOPEZ MD (NPI 1578582979) is an individual obstetrics & gynecology provider in Oak Park, Illinois, licensed in Illinois (036090643) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with West Suburban Medical Center, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted 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
Bertha A Lopez 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.
Medicare Billing Reassignment
Medicare enrollment records show Bertha Lopez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Park, IL 60302
- Reassigned Medicare billing, Illinois enrollment
- 221 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
West Suburban Medical Center
Acute Care Hospitals · Oak Park, ILPresence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK PARK, IL 60302
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 Bertha Lopez's NPI number?
The NPI number for Bertha Lopez is 1578582979. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Bertha Lopez located?
Bertha Lopez practices at 1 Erie Ct 6040, Oak Park, IL 60302. The listed phone number is (708) 386-1390.
What is Bertha Lopez's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Bertha Lopez enrolled in Medicare?
Yes. Bertha Lopez 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 organization bills Medicare for Bertha Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bertha Lopez reassigns Medicare benefits to Pcc Community Wellness Center (Oak Park, IL). The 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 Bertha Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Bertha Lopez accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Bertha 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.
Is Bertha Lopez affiliated with any hospitals?
According to CMS data, Bertha Lopez is affiliated with West Suburban Medical Center and Presence Saints Mary And Elizabeth Medical Center.
When was this NPI record last updated?
The NPPES record for Bertha Lopez was last updated on December 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Bertha A Lopez, MD · NPI 1578582979
Obstetrics & Gynecology physician in Oak Park, Illinois. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1578582979 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036090643 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 ERIE CT, 6040, Oak Park, IL 60302-2566
- **Phone:** (708) 386-1390
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pcc Community Wellness Center (NPI 1871516799, Oak Park, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** December 31, 2019
- **Other identifiers:** Other 1621924 (IL); Other 207667 (IL); Medicaid 36090643 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1578582979) · Data from the CMS NPPES public registry.