Dr. Harold Mozwecz, MD
- Medicare services, 2024
- 630
- Medicare patients, 2024
- 413
- Part D claims, 2024
- 1,143
- Hospital affiliations
- 2
- Industry payments
- $254
- Practice address
- 2725 Technology Dr, Lombard, IL 60148
- Practice phone
- Call (630) 348-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duly Surgery Center Lombard
Lombard, Illinois
Find Dr. Mozwecz'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. Harold Mozwecz is a gastroenterologist in Lombard, Illinois
Dr. Mozwecz practices at Duly Surgery Center Lombard in Lombard, Illinois.
Dr. Mozwecz's NPI, 1356318349, was assigned on March 8, 2006. Dr. Mozwecz graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985. Dr. Mozwecz holds Illinois license 036075083.
- NPI
- 1356318349NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365344298
- NPI enumeration date
- March 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 348-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harold Mozwecz practices at Duly Surgery Center Lombard in Lombard, Illinois
Dr. Mozwecz's primary practice is Duly Surgery Center Lombard, at 2725 Technology Dr, Lombard, IL 60148 in Dupage County. The practice phone is (630) 348-3300.
- Duly Surgery Center Lombard2725 Technology Dr, Lombard, IL 60148 · Dupage CountyPhone(630) 348-3300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Harold Mozwecz is affiliated with 4 sites of care and 1 medical group
Dr. Mozwecz's primary practice is Duly Surgery Center Lombard in Lombard, Illinois. Dr. Mozwecz is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Mozwecz to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Harold Mozwecz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mozwecz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duly Surgery Center Lombard | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harold Mozwecz is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Mozwecz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mozwecz is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Mozwecz
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. Harold Mozwecz billed Medicare for 630 services in 2024
CMS data shows 630 Medicare services from Dr. Mozwecz across 16 procedure codes in 2024, for 413 Medicare patients. Medicare paid $72,442 for them.
Dr. Mozwecz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3622024: 32012%
- Surgery
- 2023: 2742024: 19529%
- Other services
- 2023: 1592024: 11528%
- Lab and pathology
- 2023: 202024: 0100%
Where Dr. Mozwecz's Medicare services took place, 2024
- In an office32752%
- In a facility30348%
Dr. Mozwecz compared with the Illinois median for gastroenterologists, 2024
- Dr. Mozwecz
- Illinois median
- Medicare services
- 630vs 49827% above
- Medicare patients
- 413vs 30735% above
- Part D claims
- 1,048vs 3702.8 times
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Mozwecz'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.
Need commercial claims for Dr. Mozwecz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mozwecz and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harold Mozwecz treated 413 Medicare patients in 2024, average age 73
CMS counts 413 Medicare patients who saw Dr. Mozwecz in 2024. The largest group is 65 to 74, with 229 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mozwecz's median patient age at 67, with 39% women.
Dr. Mozwecz's Medicare patients by age, 2024
Dr. Mozwecz's Medicare patients by sex, 2024
- Women18946%
- Men22454%
Chronic conditions among Dr. Mozwecz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis41%
- Ischemic heart disease26%
- Diabetes23%
- Chronic kidney disease22%
- Mood disorders21%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mozwecz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harold Mozwecz wrote 1,143 Medicare Part D claims in 2024
In 2024, Dr. Mozwecz wrote 1,143 Medicare Part D claims for 539 patients. 81% of them were for generic drugs. CMS names the drug for 1,048 of them, across 14 drugs with 11 or more claims each, at $297,361 in total drug cost. In 2023, CMS named 1,204 claims across 18 drugs.
Dr. Mozwecz's Part D claims by kind of drug, 2024
- Generic926 claims81%
- Brand-name217 claims19%
Dr. Mozwecz'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. Mozwecz's Part D claims, 2024
- Antibiotics1%11 of 1,143 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: 1,2042024: 1,04813%
Drugs named by CMS: 14 in 2024, 18 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. Harold Mozwecz ranks in the 79th percentile for colonoscopy in Medicare
Dr. Mozwecz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 95 procedures of colonoscopy by Dr. Mozwecz, more than 79% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mozwecz ranks in Medicare procedure volume
- Colonoscopy
- 79th percentile95 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 70th percentile73 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. Harold Mozwecz received $254 in industry payments from 2023 to 2025
CMS Open Payments shows 7 general payments to Dr. Mozwecz from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $112.
General payments to Dr. Mozwecz by program year, 2023 to 2025
Companies that paid Dr. Mozwecz the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harold Mozwecz graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Mozwecz graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Harold Mozwecz'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)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. Harold Mozwecz
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. Harold Mozwecz's NPI number?
Dr. Harold Mozwecz's NPI number is 1356318349. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harold Mozwecz?
Dr. Harold Mozwecz is a gastroenterologist in Lombard, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Harold Mozwecz practice?
Dr. Mozwecz practices at 2725 Technology Dr, Lombard, IL 60148. Dr. Mozwecz's primary practice is Duly Surgery Center Lombard in Lombard, Illinois. Dmand AI also links Dr. Mozwecz to 1 hospital and 1 group practice or clinic.
What is Dr. Harold Mozwecz's office phone number?
The practice phone on file for Dr. Mozwecz is (630) 348-3300.
What is Dr. Harold Mozwecz's medical license number?
Dr. Mozwecz holds Illinois license 036075083.
Which hospitals is Dr. Harold Mozwecz affiliated with?
Dr. Mozwecz is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Mozwecz to 1 more hospital.
What medical group is Dr. Harold Mozwecz part of?
Dr. Mozwecz is linked to DuPage Medical Group.
Does Dr. Harold Mozwecz accept Medicare?
Yes. CMS data shows Dr. Mozwecz billed Medicare for 630 services in 2024, and Dr. Mozwecz accepts Medicare assignment.
How many Medicare patients does Dr. Harold Mozwecz see?
CMS counts 413 Medicare patients who saw Dr. Mozwecz in 2024, with an average age of 73.
What services does Dr. Harold Mozwecz bill to Medicare?
In 2024, Dr. Mozwecz's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (45380) and medicare service (G0121).
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Where did Dr. Harold Mozwecz go to medical school?
Dr. Mozwecz graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1985.
What drugs does Dr. Harold Mozwecz prescribe most?
In 2024 Medicare Part D data, Dr. Mozwecz's most prescribed drugs by claims were Pantoprazole Sodium, Gavilyte-G and Dicyclomine HCl.
Has Dr. Harold Mozwecz received payments from drug or device companies?
CMS Open Payments shows $254 in general payments to Dr. Mozwecz from 5 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Harold Mozwecz been practicing?
Dr. Mozwecz graduated from medical school in 1985, 41 years ago.
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