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Dr. Christopher Omerza, MD
NPI1063862712PAC ID0345532388
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 114
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 1000 Langworthy St, Dubuque, IA 52001
- Practice phone
- Call (563) 584-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Associates Clinic P C
Dubuque, Iowa
Find Dr. Omerza'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. Christopher Omerza is a general surgeon in Dubuque, Iowa
Dr. Omerza practices at Medical Associates Clinic P C in Dubuque, Iowa.
Dr. Omerza's NPI, 1063862712, was assigned on June 14, 2016. Dr. Omerza graduated from Michigan State University College of Human Medicine in 2016. Dr. Omerza holds Iowa license MD-48193.
NPI and contact details
- NPI
- 1063862712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345532388
- NPI enumeration date
- June 14, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (563) 584-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Omerza practices at Medical Associates Clinic P C in Dubuque, Iowa
Dr. Omerza's primary practice is Medical Associates Clinic P C, at 1000 Langworthy St, Dubuque, IA 52001 in Dubuque County. The practice phone is (563) 584-4100.
- Medical Associates Clinic P C1000 Langworthy St, Dubuque, IA 52001 · Dubuque CountyPhone(563) 584-4100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Omerza is affiliated with 5 sites of care and 2 medical groups
Dr. Omerza's primary practice is Medical Associates Clinic P C in Dubuque, Iowa. Dr. Omerza is also affiliated with MercyOne Dubuque Medical Center. The medical group on file is Medical Associates Clinic. Dmand AI also links Dr. Omerza to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Medical Associates Clinic P CPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher Omerza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Omerza practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Associates Clinic P C | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Omerza is one of 317 general surgeons in Iowa
Surgery is Dr. Omerza's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Omerza is licensed in Iowa.
Specialties and state licenses
- Surgery, IowaPrimary
General surgeons near Dr. Omerza
Counts of general surgeons 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. Christopher Omerza billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Omerza across 11 procedure codes in 2024, for 205 Medicare patients. Medicare paid $26,884 for them.
Medicare services, 2024328
Medicare patients205
Paid by Medicare$26,884
Procedure codes11
Dr. Omerza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1582024: 25159%
- Surgery
- 2023: 832024: 777%
Where Dr. Omerza's Medicare services took place, 2024
- In an office14544%
- In a facility18356%
Dr. Omerza compared with the Iowa median for general surgeons, 2024
- Dr. Omerza
- Iowa median
- Medicare services
- 328vs 1642.0 times
- Medicare patients
- 205vs 14640% above
- Part D claims
- 67vs 4356% above
Medians across 332 general surgeons in Iowa with Dmand AI profiles that report each measure.
Dr. Omerza'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. Omerza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Omerza and other general surgeons in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Omerza treated 205 Medicare patients in 2024, average age 71
CMS counts 205 Medicare patients who saw Dr. Omerza in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Omerza's median patient age at 64, with 58% women.
Medicare patients, 2024205
Average age71
Average risk score1.35
Also on Medicaid17%
Dr. Omerza's Medicare patients by age, 2024
Dr. Omerza's Medicare patients by sex, 2024
- Women11054%
- Men9546%
Chronic conditions among Dr. Omerza's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis38%
- Mood disorders30%
- Depression28%
- Diabetes28%
- Anxiety27%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Omerza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Omerza wrote 114 Medicare Part D claims in 2024
In 2024, Dr. Omerza wrote 114 Medicare Part D claims for 79 patients. 96% of them were for generic drugs. CMS names the drug for 67 of them, across 2 drugs with 11 or more claims each, at $244 in total drug cost. In 2023, CMS named 55 claims across 2 drugs.
Part D claims, 2024114
Drugs named by CMS2
Total drug cost$244
Part D patients79
Dr. Omerza's Part D claims by kind of drug, 2024
- Generic110 claims96%
- Brand-name and other4 claims4%
Dr. Omerza'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. Omerza's Part D claims, 2024
- Opioids40%46 of 114 claims
- Antibiotics17%19 of 114 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: 552024: 6722%
Drugs named by CMS: 2 in 2024, 2 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. Christopher Omerza ranks in the 93rd percentile for colonoscopy in Medicare
Dr. Omerza accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 189 procedures of colonoscopy by Dr. Omerza, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Omerza ranks in Medicare procedure volume
- Colonoscopy
- 93rd percentile189 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 72nd percentile82 procedures
- Mastectomy
- 70th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher Omerza has 1 publication on record
Dmand AI links 1 paper to Dr. Omerza. Dr. Omerza's most frequent co-authors are Andrea Kay Bouman, MD and Patrick P. Bulinski, MD.
Papers1
Dr. Omerza's most frequent co-authors
Recent publications by Dr. Omerza
See who Dr. Omerza researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Omerza works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Omerza received $15,736 in industry payments from 2017 to 2025
CMS Open Payments shows 40 general payments to Dr. Omerza from 10 drug and device companies from 2017 to 2025. Education make up the largest share, 62% of the total. Intuitive Surgical, Inc. paid the most, $11,548.
General payments to Dr. Omerza by program year, 2017 to 2025
General payments to Dr. Omerza by kind, 2017 to 2025
$15.7Kin total
- Education$9,75062%
- Travel and lodging$4,43928%
- Food and beverage$1,54710%
Companies that paid Dr. Omerza the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Omerza graduated from Michigan State University College of Human Medicine
Dr. Omerza graduated from Michigan State University College of Human Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Omerza'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Christopher Omerza
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. Christopher Omerza's NPI number?
Dr. Christopher Omerza's NPI number is 1063862712. It was assigned on June 14, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Omerza?
Dr. Christopher Omerza is a general surgeon in Dubuque, Iowa. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Christopher Omerza practice?
Dr. Omerza practices at 1000 Langworthy St, Dubuque, IA 52001. Dr. Omerza's primary practice is Medical Associates Clinic P C in Dubuque, Iowa. Dmand AI also links Dr. Omerza to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Christopher Omerza's office phone number?
The practice phone on file for Dr. Omerza is (563) 584-4100.
What is Dr. Christopher Omerza's medical license number?
Dr. Omerza holds Iowa license MD-48193.
Which hospitals is Dr. Christopher Omerza affiliated with?
Dr. Omerza is affiliated with MercyOne Dubuque Medical Center. Dmand AI links Dr. Omerza to 2 more hospitals.
What medical group is Dr. Christopher Omerza part of?
Dr. Omerza is linked to Medical Associates Clinic. Dmand AI links Dr. Omerza to 1 more medical group.
Does Dr. Christopher Omerza accept Medicare?
Yes. CMS data shows Dr. Omerza billed Medicare for 328 services in 2024, and Dr. Omerza accepts Medicare assignment.
How many Medicare patients does Dr. Christopher Omerza see?
CMS counts 205 Medicare patients who saw Dr. Omerza in 2024, with an average age of 71.
What services does Dr. Christopher Omerza bill to Medicare?
In 2024, Dr. Omerza's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: digestive system (45385).
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Where did Dr. Christopher Omerza go to medical school?
Dr. Omerza graduated from Michigan State University College of Human Medicine in 2016.
What drugs does Dr. Christopher Omerza prescribe most?
In 2024 Medicare Part D data, Dr. Omerza's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Omeprazole.
Has Dr. Christopher Omerza received payments from drug or device companies?
CMS Open Payments shows $15,736 in general payments to Dr. Omerza from 10 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Christopher Omerza been practicing?
Dr. Omerza graduated from medical school in 2016, 10 years ago.
Does Dr. Christopher Omerza do research?
Dmand AI links 1 publication to Dr. Omerza.
Who does Dr. Christopher Omerza publish with?
Dr. Omerza's most frequent co-authors are Andrea Kay Bouman, MD (1 shared paper) and Patrick P. Bulinski, MD (1 shared paper).
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