Dr. Bertha A. Lopez, MD
- Medicare services, 2023
- 18
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 153
- Hospital affiliations
- 1
- Industry payments
- $794
- Practice address
- 1 Erie CT, Oak Park, IL 60302
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pcc Dr Tong Health Ctr - HOPD
Acute Care Hospital outpatient department · Oak Park, Illinois
Find Dr. Lopez's professional email, personal email and mobile number
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Dr. Bertha A. Lopez is an OB-GYN in Oak Park, Illinois
Dr. Lopez practices at Pcc Dr Tong Health Ctr - HOPD in Oak Park, Illinois.
Dr. Lopez's NPI, 1578582979, was assigned on July 18, 2006. Dr. Lopez graduated from Loyola University of Chicago, Stritch School of Medicine in 1992. Dr. Lopez holds Illinois license 036090643.
- NPI
- 1578582979NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446152961
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bertha A. Lopez practices at Pcc Dr Tong Health Ctr - HOPD in Oak Park, Illinois
Dr. Lopez's primary practice is Pcc Dr Tong Health Ctr - HOPD, at 1 Erie CT, Oak Park, IL 60302.
- Pcc Dr Tong Health Ctr - HOPD1 Erie CT, Oak Park, IL 60302
Source: Dmand AI Affiliation Data
Dr. Bertha A. Lopez is affiliated with 3 sites of care and 1 medical group
Dr. Lopez's primary practice is Pcc Dr Tong Health Ctr - HOPD in Oak Park, Illinois. Dr. Lopez is also affiliated with West Suburban Medical Center. The medical group on file is PCC Community Wellness Center. Dmand AI also links Dr. Lopez to 1 more community health center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Bertha A. Lopez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pcc Dr Tong Health Ctr - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bertha A. Lopez is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Lopez's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lopez is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Lopez
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Bertha A. Lopez billed Medicare for 18 services in 2023
CMS data shows 18 Medicare services from Dr. Lopez across 1 procedure code in 2023, for 11 Medicare patients. Medicare paid $61 for them. Every service was in an office.
Dr. Lopez's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 222023: 1818%
Dr. Lopez compared with the Illinois median for OB-GYNs, 2023
- Dr. Lopez
- Illinois median
- Medicare services
- 18vs 4863% below
- Medicare patients
- 11vs 4475% below
- Part D claims
- 110vs 283.9 times
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Dr. Lopez's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lopez and other OB-GYNs in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bertha A. Lopez treated 11 Medicare patients in 2024, average age 79
CMS counts 11 Medicare patients who saw Dr. Lopez in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lopez's median patient age at 48, with 100% women.
Dr. Lopez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lopez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bertha A. Lopez wrote 153 Medicare Part D claims in 2024
In 2024, Dr. Lopez wrote 153 Medicare Part D claims for 50 patients. 93% of them were for generic drugs. CMS names the drug for 110 of them, across 6 drugs with 11 or more claims each, at $2,920 in total drug cost. In 2023, CMS named 78 claims across 4 drugs.
Dr. Lopez's Part D claims by kind of drug, 2024
- Generic142 claims93%
- Brand-name11 claims7%
Dr. Lopez's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lopez's Part D claims, 2024
- Antibiotics11%17 of 153 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 782024: 11041%
Drugs named by CMS: 6 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Bertha A. Lopez takes part in Medicare
Dr. Lopez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Bertha A. Lopez received $794 in industry payments from 2018 to 2022
CMS Open Payments shows 33 general payments to Dr. Lopez from 4 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $664.
General payments to Dr. Lopez by program year, 2018 to 2022
Companies that paid Dr. Lopez the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bertha A. Lopez graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Lopez graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bertha A. Lopez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Bertha A. Lopez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Bertha A. Lopez's NPI number?
Dr. Bertha A. Lopez's NPI number is 1578582979. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bertha A. Lopez?
Dr. Bertha A. Lopez is an OB-GYN in Oak Park, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Bertha A. Lopez practice?
Dr. Lopez practices at 1 Erie CT, Oak Park, IL 60302. Dr. Lopez's primary practice is Pcc Dr Tong Health Ctr - HOPD in Oak Park, Illinois. Dmand AI also links Dr. Lopez to 1 community health center.
What is Dr. Bertha A. Lopez's medical license number?
Dr. Lopez holds Illinois license 036090643.
Which hospitals is Dr. Bertha A. Lopez affiliated with?
Dr. Lopez is affiliated with West Suburban Medical Center.
What medical group is Dr. Bertha A. Lopez part of?
Dr. Lopez is linked to PCC Community Wellness Center.
Does Dr. Bertha A. Lopez accept Medicare?
Yes. CMS data shows Dr. Lopez billed Medicare for 18 services in 2023, and Dr. Lopez accepts Medicare assignment.
How many Medicare patients does Dr. Bertha A. Lopez see?
CMS counts 11 Medicare patients who saw Dr. Lopez in 2024, with an average age of 79.
What services does Dr. Bertha A. Lopez bill to Medicare?
In 2023, Dr. Lopez's most billed Medicare services were lab and pathology test (81002).
Where did Dr. Bertha A. Lopez go to medical school?
Dr. Lopez graduated from Loyola University of Chicago, Stritch School of Medicine in 1992.
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What drugs does Dr. Bertha A. Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Lopez's most prescribed drugs by claims were Fluconazole, Estradiol and Metronidazole.
Has Dr. Bertha A. Lopez received payments from drug or device companies?
CMS Open Payments shows $794 in general payments to Dr. Lopez from 4 companies from 2018 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Bertha A. Lopez been practicing?
Dr. Lopez graduated from medical school in 1992, 34 years ago.
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