Doctor profile · Federal record

Dr. Bertha Lopez, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Maternal & Fetal Medicine Physician · Oak Park, IL

  • NPI 1578582979
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Erie CT, 6040
Oak Park, IL 603022566
(708) 386-1390

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 31, 2019
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036090643
Medicaid
IL #36090643

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578582979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$61
HCPCS Description Services Patients Avg allowed
81002 Urinalysis, manual test 18 11 $3

In context: peer comparison

Among 2 peers in this city , average services per provider: 15. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
78
Patients
11
Total drug cost
$1,037
Drug Type Claims Patients Total cost
Medroxyprogesterone Acetate Generic 28 0 $337
Fluconazole Generic 22 11 $165
Metronidazole Generic 17 0 $282
Valacyclovir (Valacyclovir Hcl) Brand 11 0 $253

Frequently asked questions

Auto-generated from federal data
What is Dr. Bertha Lopez's medical specialty?
Dr. Bertha Lopez practices Obstetrics & Gynecology Physician in Oak Park, IL.
Where does Dr. Bertha Lopez practice?
Dr. Bertha Lopez practices at 1 Erie CT, Oak Park, IL 603022566. Office phone: 7083861390.
What is Dr. Bertha Lopez's NPI?
Dr. Bertha Lopez's National Provider Identifier (NPI) is 1578582979, issued by NPPES.
Does Dr. Bertha Lopez accept Medicare assignment?
Yes. Dr. Bertha Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bertha Lopez commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.