Dr. Frank A. Lopez, DO
- Medicare services, 2024
- 783
- Medicare patients, 2024
- 291
- Part D claims, 2024
- 435
- Hospital affiliations
- 3
- Industry payments
- $1,287
- Practice address
- One Kish Hospital Drive, Dekalb, IL 60115
- Practice phone
- Call (815) 756-1521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lopez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Frank A. Lopez is a gastroenterologist in Dekalb, Illinois
Dr. Lopez practices at Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare.
Dr. Lopez's NPI, 1730568452, was assigned on May 27, 2015. Dr. Lopez graduated from Lincoln Mem Univ, Debusk Col of Osteopathic Med in 2015. Dr. Lopez holds New Jersey license 25MB10294000.
- NPI
- 1730568452NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244549061
- NPI enumeration date
- May 27, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (815) 756-1521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frank A. Lopez practices at 2 locations in Dekalb, Illinois
Dr. Lopez's primary practice is Northwestern Medicine Kishwaukee Hospital, at One Kish Hospital Drive, Dekalb, IL 60115 in De Kalb County. The practice phone is (815) 756-1521. Dr. Lopez also practices at Northwestern Medicine Kishwaukee Hospital, 1 Kish Hospital Dr, Dekalb, IL 60115.
- Northwestern Medicine Kishwaukee HospitalPrimaryOne Kish Hospital Drive, Dekalb, IL 60115 · De Kalb CountyPhone(815) 756-1521
- Northwestern Medicine Kishwaukee Hospital1 Kish Hospital Dr, Dekalb, IL 60115 · Dekalb CountyPhone(815) 756-1521
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Frank A. Lopez is affiliated with 3 sites of care and 1 medical group
Dr. Lopez's primary practice is Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare. Dr. Lopez is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Lopez to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Frank 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 |
|---|---|
| Northwestern Medicine Kishwaukee Hospital | 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. Frank A. Lopez is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Lopez's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Lopez's licenses on file in 2 states: New Jersey and Illinois.
Specialties and state licenses
- Gastroenterology, New JerseyPrimary
- Illinois license
Gastroenterologists near Dr. Lopez
Counts of gastroenterologists 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. Frank A. Lopez billed Medicare for 783 services in 2024
CMS data shows 783 Medicare services from Dr. Lopez across 16 procedure codes in 2024, for 291 Medicare patients. Medicare paid $70,867 for them.
Dr. Lopez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3692024: 42415%
- Surgery
- 2023: 2032024: 31354%
- Other services
- 2023: 602024: 4623%
Where Dr. Lopez's Medicare services took place, 2024
- In an office23730%
- In a facility54670%
Dr. Lopez compared with the Illinois median for gastroenterologists, 2024
- Dr. Lopez
- Illinois median
- Medicare services
- 783vs 49857% above
- Medicare patients
- 291vs 3075% below
- Part D claims
- 306vs 37017% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Lopez's most billed Medicare procedure codes, 2024
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 gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Frank A. Lopez treated 291 Medicare patients in 2024, average age 73
CMS counts 291 Medicare patients who saw Dr. Lopez in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lopez's median patient age at 68, with 50% women.
Dr. Lopez's Medicare patients by age, 2024
Dr. Lopez's Medicare patients by sex, 2024
- Women15052%
- Men14148%
Chronic conditions among Dr. Lopez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Anxiety34%
- Chronic kidney disease34%
- Diabetes33%
- Mood disorders31%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
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 68
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frank A. Lopez wrote 435 Medicare Part D claims in 2024
In 2024, Dr. Lopez wrote 435 Medicare Part D claims for 183 patients. 86% of them were for generic drugs. CMS names the drug for 306 of them, across 6 drugs with 11 or more claims each, at $18,285 in total drug cost. In 2023, CMS named 275 claims across 6 drugs.
Dr. Lopez's Part D claims by kind of drug, 2024
- Generic373 claims86%
- Brand-name62 claims14%
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
- Antibiotics6%27 of 435 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: 2752024: 30611%
Drugs named by CMS: 6 in 2024, 6 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
Dr. Frank A. Lopez ranks in the 82nd percentile for colonoscopy in Medicare
Dr. Lopez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lopez as offering telehealth. CMS counts 110 procedures of colonoscopy by Dr. Lopez, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lopez ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile117 procedures
- Colonoscopy
- 82nd percentile110 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Frank A. Lopez received $1,287 in industry payments from 2017 to 2024
CMS Open Payments shows 39 general payments to Dr. Lopez from 21 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $338.
General payments to Dr. Lopez by program year, 2017 to 2024
Companies that paid Dr. Lopez the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frank A. Lopez graduated from Lincoln Mem Univ, Debusk Col of Osteopathic Med
Dr. Lopez graduated from Lincoln Mem Univ, Debusk Col of Osteopathic Med in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frank 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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. Frank 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. Frank A. Lopez's NPI number?
Dr. Frank A. Lopez's NPI number is 1730568452. It was assigned on May 27, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Frank A. Lopez?
Dr. Frank A. Lopez is a gastroenterologist in Dekalb, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Frank A. Lopez practice?
Dr. Lopez practices at One Kish Hospital Drive, Dekalb, IL 60115. Dr. Lopez also practices at 1 Kish Hospital Dr, Dekalb, IL 60115. Dr. Lopez's primary practice is Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Lopez to 1 hospital.
What is Dr. Frank A. Lopez's office phone number?
The practice phone on file for Dr. Lopez is (815) 756-1521.
What is Dr. Frank A. Lopez's medical license number?
Dr. Lopez holds New Jersey license 25MB10294000, one of the licenses on file in 2 states.
Which states has Dr. Frank A. Lopez been licensed in?
Dmand AI has state licenses on file for Dr. Lopez in New Jersey and Illinois.
Which hospitals is Dr. Frank A. Lopez affiliated with?
Dr. Lopez practices at Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois. Dr. Lopez is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Lopez to 1 more hospital.
What medical group is Dr. Frank A. Lopez part of?
Dr. Lopez is linked to Northwestern Medical Faculty Foundation.
Does Dr. Frank A. Lopez accept Medicare?
Yes. CMS data shows Dr. Lopez billed Medicare for 783 services in 2024, and Dr. Lopez accepts Medicare assignment.
Does Dr. Frank A. Lopez offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lopez as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Frank A. Lopez see?
CMS counts 291 Medicare patients who saw Dr. Lopez in 2024, with an average age of 73.
What services does Dr. Frank A. Lopez bill to Medicare?
In 2024, Dr. Lopez's most billed Medicare services were hospital inpatient care (99232), surgery: digestive system (43239) and surgery: digestive system (45385).
Where did Dr. Frank A. Lopez go to medical school?
Dr. Lopez graduated from Lincoln Mem Univ, Debusk Col of Osteopathic Med in 2015.
What drugs does Dr. Frank A. Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Lopez's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Peg 3350-Electrolyte.
Has Dr. Frank A. Lopez received payments from drug or device companies?
CMS Open Payments shows $1,287 in general payments to Dr. Lopez from 21 companies from 2017 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Frank A. Lopez been practicing?
Dr. Lopez graduated from medical school in 2015, 11 years ago.
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