Charles Roy Knudson, PA-C
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 96
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $82
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Charles Knudson'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.
Charles Roy Knudson is a physician assistant in Chicago, Illinois
Charles Knudson practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Charles Knudson's NPI, 1992051478, was assigned on August 2, 2012.
- NPI
- 1992051478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971739822
- NPI enumeration date
- August 2, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Charles Roy Knudson practices at Northwestern Memorial Hospital in Chicago, Illinois
Charles Knudson's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Charles Roy Knudson is affiliated with 2 sites of care and 2 medical groups
Charles Knudson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Charles Knudson to 1 more 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 Charles Roy Knudson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Knudson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +1 more site 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 Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Charles Roy Knudson is one of 4,299 physician assistants in Illinois
Physician assistant is Charles Knudson's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Charles Knudson
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
Charles Roy Knudson treated 89 Medicare patients in 2024, average age 74
CMS counts 89 Medicare patients who saw Charles Knudson in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Charles Knudson's median patient age at 76, with 44% women.
Charles Knudson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Charles Knudson's Medicare patients by sex, 2024
- Women4348%
- Men4652%
Chronic conditions among Charles Knudson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation65%
- Ischemic heart disease47%
- Arthritis39%
- Heart failure39%
- Chronic kidney disease36%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Charles Knudson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles Roy Knudson wrote 96 Medicare Part D claims in 2024
In 2024, Charles Knudson wrote 96 Medicare Part D claims for 64 patients. 90% of them were for generic drugs.
Charles Knudson's Part D claims by kind of drug, 2024
- Generic86 claims90%
- Brand-name and other10 claims10%
Drug classes CMS tracks in Charles Knudson's Part D claims, 2024
- Antibiotics44%42 of 96 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
Charles Roy Knudson scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Charles Knudson for performance year 2024, reported through an alternative payment model (APM). Charles Knudson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Charles Knudson's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Charles Roy Knudson received $82 in industry payments in 2025
CMS Open Payments shows 3 general payments to Charles Knudson from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $41.
Companies that paid Charles Knudson 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 Charles Roy Knudson'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)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 Charles Roy Knudson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles Roy Knudson's NPI number?
Charles Roy Knudson's NPI number is 1992051478. It was assigned on August 2, 2012, and it is active in the NPI Registry.
What does Charles Roy Knudson specialize in?
Charles Roy Knudson is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Charles Roy Knudson practice?
Charles Knudson practices at 251 E Huron St, Chicago, IL 60611. Charles Knudson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Charles Knudson to 1 group practice or clinic and 1 medical group.
What is Charles Roy Knudson's office phone number?
The practice phone on file for Charles Knudson is (312) 926-2000.
Which hospitals is Charles Roy Knudson affiliated with?
Charles Knudson practices at Northwestern Memorial Hospital in Chicago, Illinois.
What medical group is Charles Roy Knudson part of?
Charles Knudson is linked to Northwestern Medical Faculty Foundation. Dmand AI links Charles Knudson to 1 more medical group.
Does Charles Roy Knudson accept Medicare?
Yes. CMS lists Charles Knudson as accepting Medicare assignment.
What is Charles Roy Knudson's MIPS score?
Charles Knudson's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Charles Roy Knudson see?
CMS counts 89 Medicare patients who saw Charles Knudson in 2024, with an average age of 74.
Has Charles Roy Knudson received payments from drug or device companies?
CMS Open Payments shows $82 in general payments to Charles Knudson from 3 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Charles Roy Knudson been practicing?
Charles Knudson graduated from medical school in 2012, 14 years ago.
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