Marie E. Rivers, PA-C
- Medicare patients, 2024
- 568
- Part D claims, 2024
- 966
- MIPS score, 2024
- 84
- Hospital affiliations
- 4
- Industry payments
- $590
- Practice address
- 4119 W Shamrock Ln, Mchenry, IL 60050
- Practice phone
- Call (815) 398-9491
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthomidwest
Mchenry, Illinois
Find Marie Rivers' 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.
Marie E. Rivers is a physician assistant in Mchenry, Illinois
Marie Rivers practices at Orthomidwest in Mchenry, Illinois.
Marie Rivers' NPI, 1861590366, was assigned on September 20, 2006. Marie Rivers holds Illinois license 085-003150.
- NPI
- 1861590366NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658396130
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 398-9491
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marie E. Rivers practices at Orthomidwest in Mchenry, Illinois
Marie Rivers' primary practice is Orthomidwest, at 4119 W Shamrock Ln, Mchenry, IL 60050 in Mchenry County. The practice phone is (815) 398-9491.
- Orthomidwest4119 W Shamrock Ln, Mchenry, IL 60050 · Mchenry CountyPhone(815) 398-9491
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marie E. Rivers is affiliated with 6 sites of care and 1 medical group
Marie Rivers' primary practice is Orthomidwest in Mchenry, Illinois. Marie Rivers is also affiliated with Northwestern Medicine McHenry Hospital. The medical group on file is OrthoIllinois. Dmand AI also links Marie Rivers to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marie E. Rivers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marie Rivers practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthomidwest | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Marie E. Rivers is one of 4,299 physician assistants in Illinois
Physician assistant is Marie Rivers' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marie Rivers is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Marie Rivers
Counts of physician assistants 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
Marie E. Rivers treated 568 Medicare patients in 2024, average age 75
CMS counts 568 Medicare patients who saw Marie Rivers in 2024. The largest group is 65 to 74, with 258 patients. 75% of them have arthritis, and 75% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marie Rivers' median patient age at 69, with 52% women.
Marie Rivers' Medicare patients by age, 2024
Marie Rivers' Medicare patients by sex, 2024
- Women34360%
- Men22540%
Chronic conditions among Marie Rivers' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes27%
- Ischemic heart disease27%
- Anxiety26%
- Mood disorders23%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Marie Rivers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marie E. Rivers wrote 966 Medicare Part D claims in 2024
In 2024, Marie Rivers wrote 966 Medicare Part D claims for 373 patients. 100% of them were for generic drugs.
Marie Rivers' Part D claims by kind of drug, 2024
- Generic965 claims100%
- Brand-name and other1 claims0%
Drug classes CMS tracks in Marie Rivers' Part D claims, 2024
- Opioids32%309 of 966 claims
- Antibiotics13%121 of 966 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marie E. Rivers scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Marie Rivers for performance year 2024, reported as part of a group. Marie Rivers accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marie Rivers' MIPS scores, performance year 2024
- 84of 100Final score
- 68.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Marie E. Rivers received $590 in industry payments in 2025
CMS Open Payments shows 5 general payments to Marie Rivers from 3 drug and device companies in 2025. Travel and lodging make up the largest share, 70% of the total. Oak Med, Inc. paid the most, $495.
General payments to Marie Rivers by kind, 2025 to 2025
- Travel and lodging$41370%
- Food and beverage$17630%
Companies that paid Marie Rivers 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 Marie E. Rivers'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Marie E. Rivers
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marie E. Rivers' NPI number?
Marie E. Rivers' NPI number is 1861590366. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What does Marie E. Rivers specialize in?
Marie E. Rivers is a physician assistant in Mchenry, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marie E. Rivers practice?
Marie Rivers practices at 4119 W Shamrock Ln, Mchenry, IL 60050. Marie Rivers' primary practice is Orthomidwest in Mchenry, Illinois. Dmand AI also links Marie Rivers to 3 hospitals and 1 group practice or clinic.
What is Marie E. Rivers' office phone number?
The practice phone on file for Marie Rivers is (815) 398-9491.
What is Marie E. Rivers' medical license number?
Marie Rivers holds Illinois license 085-003150.
Which hospitals is Marie E. Rivers affiliated with?
Marie Rivers is affiliated with Northwestern Medicine McHenry Hospital. Dmand AI links Marie Rivers to 3 more hospitals.
What medical group is Marie E. Rivers part of?
Marie Rivers is linked to OrthoIllinois.
Does Marie E. Rivers accept Medicare?
Yes. CMS lists Marie Rivers as accepting Medicare assignment.
What is Marie E. Rivers' MIPS score?
Marie Rivers' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Marie E. Rivers see?
CMS counts 568 Medicare patients who saw Marie Rivers in 2024, with an average age of 75.
Has Marie E. Rivers received payments from drug or device companies?
CMS Open Payments shows $590 in general payments to Marie Rivers from 3 companies from 2025 to 2025. The largest total came from Oak Med, Inc.
How long has Marie E. Rivers been practicing?
Marie Rivers graduated from medical school in 2005, 21 years ago.
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