Colleen S. Reijmer, APN
- Medicare patients, 2024
- 196
- Part D claims, 2024
- 840
- Hospital affiliations
- 3
- Industry payments
- $198
- Medical groups
- 2
- Practice address
- 1425 North Randall Road, Elgin, IL 60123
- Practice phone
- Call (847) 742-9800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Colleen Reijmer'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.
Colleen S. Reijmer is a nurse practitioner in Elgin, Illinois
Colleen Reijmer practices at Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health.
Colleen Reijmer's NPI, 1346990983, was assigned on March 26, 2022. Colleen Reijmer holds Illinois license 209.024935.
- NPI
- 1346990983NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264816594
- NPI enumeration date
- March 26, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 742-9800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Colleen S. Reijmer practices at Advocate Sherman Hospital in Elgin, Illinois
Colleen Reijmer's primary practice is Advocate Sherman Hospital, at 1425 North Randall Road, Elgin, IL 60123 in Kane County. The practice phone is (847) 742-9800.
- Advocate Sherman Hospital1425 North Randall Road, Elgin, IL 60123 · Kane CountyPhone(847) 742-9800
Source: Dmand AI Affiliation Data
Colleen S. Reijmer is affiliated with 4 sites of care and 2 medical groups
Colleen Reijmer's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Colleen Reijmer is also affiliated with Northwestern Medicine McHenry Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Colleen Reijmer to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Colleen S. Reijmer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Colleen Reijmer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Sherman Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Colleen S. Reijmer is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Colleen Reijmer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Colleen Reijmer is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Colleen Reijmer
Counts of nurse practitioners 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
Colleen S. Reijmer treated 196 Medicare patients in 2024, average age 80
CMS counts 196 Medicare patients who saw Colleen Reijmer in 2024. The largest group is 75 to 84, with 82 patients. 75% of them have atrial fibrillation, and 75% have chronic kidney disease. 14% are also on Medicaid. Their average risk score is 2.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Colleen Reijmer's median patient age at 81, with 45% women.
Colleen Reijmer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Colleen Reijmer's Medicare patients by sex, 2024
- Women10051%
- Men9649%
Chronic conditions among Colleen Reijmer's Medicare patients, 2024
- Atrial fibrillation75%
- Chronic kidney disease75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease74%
- Diabetes64%
- Arthritis61%
Share of Medicare patients with each condition. A patient can have several.
Colleen Reijmer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Colleen S. Reijmer wrote 840 Medicare Part D claims in 2024
In 2024, Colleen Reijmer wrote 840 Medicare Part D claims for 179 patients. 73% of them were for generic drugs.
Colleen Reijmer's Part D claims by kind of drug, 2024
- Generic611 claims73%
- Brand-name229 claims27%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Colleen S. Reijmer takes part in Medicare
Colleen Reijmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Colleen S. Reijmer received $198 in industry payments in 2025
CMS Open Payments shows 3 general payments to Colleen Reijmer from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Scpharmaceuticals Inc. paid the most, $137.
Companies that paid Colleen Reijmer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Colleen S. Reijmer'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 DataDmand AI Org Hierarchy Data |
| 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Colleen S. Reijmer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Colleen S. Reijmer's NPI number?
Colleen S. Reijmer's NPI number is 1346990983. It was assigned on March 26, 2022, and it is active in the NPI Registry.
What does Colleen S. Reijmer specialize in?
Colleen S. Reijmer is a nurse practitioner in Elgin, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Colleen S. Reijmer practice?
Colleen Reijmer practices at 1425 North Randall Road, Elgin, IL 60123. Colleen Reijmer's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Dmand AI also links Colleen Reijmer to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Colleen S. Reijmer's office phone number?
The practice phone on file for Colleen Reijmer is (847) 742-9800.
What is Colleen S. Reijmer's medical license number?
Colleen Reijmer holds Illinois license 209.024935.
Which hospitals is Colleen S. Reijmer affiliated with?
Colleen Reijmer practices at Advocate Sherman Hospital in Elgin, Illinois. Colleen Reijmer is also affiliated with Northwestern Medicine McHenry Hospital. Dmand AI links Colleen Reijmer to 1 more hospital.
What medical group is Colleen S. Reijmer part of?
Colleen Reijmer is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Colleen Reijmer to 1 more medical group.
Does Colleen S. Reijmer accept Medicare?
Yes. CMS lists Colleen Reijmer as accepting Medicare assignment.
How many Medicare patients does Colleen S. Reijmer see?
CMS counts 196 Medicare patients who saw Colleen Reijmer in 2024, with an average age of 80.
Has Colleen S. Reijmer received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Colleen Reijmer from 3 companies from 2025 to 2025. The largest total came from Scpharmaceuticals Inc.
How long has Colleen S. Reijmer been practicing?
Colleen Reijmer graduated from medical school in 1994, 32 years ago.
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