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DR. MARY CATHERINE DEMENT DO
NPI 1619437738
Internal Medicine - Gastroenterology in Elgin, IL

Active since March 24, 2019PECOS EnrolledAccepts Medicare Assignment
745 FLETCHER DR., SUITE 202, ELGIN, IL 60123(847) 888-1300 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 10, 2025, Mar 9, 2023, Apr 18, 2022 and 3 more (6 updates tracked since 2019).

About Dr. Mary Catherine Dement Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY CATHERINE DEMENT DO (NPI 1619437738) is an individual gastroenterology provider in Elgin, Illinois, licensed in Illinois (036.157934) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Chicago College Of Osteopathy (2019).

NPPES Registry Identity

NPI1619437738
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARY CATHERINE DEMENTCredential: DO
Location Address745 FLETCHER DR., SUITE 202Elgin, IL 60123
Mailing Address745 Fletcher Dr Ste 202Elgin, IL 60123-4749 · (847) 888-1300
Phone(847) 888-1300
Sole ProprietorNo
Medical School CMSChicago College Of OsteopathyGraduated 2019
Enumeration DateMarch 24, 2019
Last NPPES UpdateJuly 10, 20256 updates tracked since enumeration
NPPES CertifiedJuly 10, 2025
✔ NPI 1619437738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036.157934
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125.073863 (IL)
745 FLETCHER DR., Elgin, IL 60123
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mary Catherine Dement Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941712798
PECOS Enrollment IDI20250626000396
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Sherman Hospital

Acute Care Hospitals · Elgin, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140030
Location1425 North Randall RoadElgin, IL 60123 · Kane County
Emergency services Birthing friendly

Presence Saint Joseph Hospital - Elgin

Acute Care Hospitals · Elgin, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140217
Location77 N Airlite StreetElgin, IL 60123 · Kane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Dement's NPI number?

The NPI number for Mary Dement is 1619437738. It was assigned to this individual provider in the NPPES registry on March 24, 2019.

Where is Mary Dement located?

Mary Dement practices at 745 Fletcher Dr. Suite 202, Elgin, IL 60123. The listed phone number is (847) 888-1300.

What is Mary Dement's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mary Dement enrolled in Medicare?

Yes. Mary Dement is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Dement affiliated with any hospitals?

According to CMS data, Mary Dement is affiliated with Advocate Sherman Hospital and Presence Saint Joseph Hospital - Elgin.

When was this NPI record last updated?

The NPPES record for Mary Dement was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.