Dr. Mary Catherine Dement, DO
- Part D claims, 2024
- 135
- Hospital affiliations
- 2
- Industry payments
- $299
- Medical groups
- 2
- State license
- 1
- Practice address
- 745 Fletcher Dr, Elgin, IL 60123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elgin Gastroenterology Endoscopy Center LLC - HOPD
Acute Care Hospital outpatient department · Elgin, Illinois
Find Dr. Dement'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. Mary Catherine Dement is a gastroenterologist in Elgin, Illinois
Dr. Dement practices at Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois.
Dr. Dement's NPI, 1619437738, was assigned on March 24, 2019. Dr. Dement graduated from Chicago College of Osteopathy in 2019. Dr. Dement holds Illinois license 036.157934.
- NPI
- 1619437738NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941712798
- NPI enumeration date
- March 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Catherine Dement practices at Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois
Dr. Dement's primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD, at 745 Fletcher Dr, Elgin, IL 60123.
- Elgin Gastroenterology Endoscopy Center LLC - HOPD745 Fletcher Dr, Elgin, IL 60123
Source: Dmand AI Affiliation Data
Dr. Mary Catherine Dement is affiliated with 5 sites of care and 2 medical groups
Dr. Dement's primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois. Dr. Dement is also affiliated with Advocate Sherman Hospital. The medical group on file is GI Alliance of Illinois. Dmand AI also links Dr. Dement to 1 more hospital, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary Catherine Dement's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dement practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elgin Gastroenterology Endoscopy Center LLC - HOPD | 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. Mary Catherine Dement is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Dement's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Dement is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Dement
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. Mary Catherine Dement's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Dement's median patient age at 56, with 65% women.
Dr. Dement's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women65%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Mary Catherine Dement wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Dement wrote 135 Medicare Part D claims for 51 patients. 81% of them were for generic drugs. CMS names the drug for 63 of them, across 2 drugs with 11 or more claims each, at $671 in total drug cost. In 2023, CMS named 33 claims across 2 drugs.
Dr. Dement's Part D claims by kind of drug, 2024
- Generic109 claims81%
- Brand-name26 claims19%
Dr. Dement'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. Dement's Part D claims, 2024
- Antibiotics9%12 of 135 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: 332024: 6391%
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. Mary Catherine Dement ranks in the 48th percentile for colonoscopy in Medicare
Dr. Dement accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of colonoscopy by Dr. Dement, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dement ranks in Medicare procedure volume
- Colonoscopy
- 48th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Mary Catherine Dement received $299 in industry payments from 2023 to 2025
CMS Open Payments shows 5 general payments to Dr. Dement from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Celltrion USA Inc. paid the most, $124.
General payments to Dr. Dement by program year, 2023 to 2025
Companies that paid Dr. Dement 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. Mary Catherine Dement graduated from Chicago College of Osteopathy
Dr. Dement graduated from Chicago College of Osteopathy in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Catherine Dement'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Mary Catherine Dement
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. Mary Catherine Dement's NPI number?
Dr. Mary Catherine Dement's NPI number is 1619437738. It was assigned on March 24, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Catherine Dement?
Dr. Mary Catherine Dement is a gastroenterologist in Elgin, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mary Catherine Dement practice?
Dr. Dement practices at 745 Fletcher Dr, Elgin, IL 60123. Dr. Dement's primary practice is Elgin Gastroenterology Endoscopy Center LLC - HOPD in Elgin, Illinois. Dmand AI also links Dr. Dement to 1 hospital, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Mary Catherine Dement's medical license number?
Dr. Dement holds Illinois license 036.157934.
Which hospitals is Dr. Mary Catherine Dement affiliated with?
Dr. Dement is affiliated with Advocate Sherman Hospital. Dmand AI links Dr. Dement to 1 more hospital.
What medical group is Dr. Mary Catherine Dement part of?
Dr. Dement is linked to GI Alliance of Illinois. Dmand AI links Dr. Dement to 1 more medical group.
Does Dr. Mary Catherine Dement accept Medicare?
Yes. CMS lists Dr. Dement as accepting Medicare assignment.
Where did Dr. Mary Catherine Dement go to medical school?
Dr. Dement graduated from Chicago College of Osteopathy in 2019.
What drugs does Dr. Mary Catherine Dement prescribe most?
In 2024 Medicare Part D data, Dr. Dement's most prescribed drugs by claims were Omeprazole and Pantoprazole Sodium.
Has Dr. Mary Catherine Dement received payments from drug or device companies?
CMS Open Payments shows $299 in general payments to Dr. Dement from 4 companies from 2023 to 2025. The largest total came from Celltrion USA Inc.
How long has Dr. Mary Catherine Dement been practicing?
Dr. Dement graduated from medical school in 2019, 7 years ago.
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