Dr. Jonathan Ryan Winthers, DO
- Medicare services, 2024
- 221
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 14
- Hospital affiliations
- 2
- Industry payments
- $695
- Practice address
- 1401 East State Street, Rockford, IL 61104
- Practice phone
- Call (815) 968-4400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Winthers' 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. Jonathan Ryan Winthers is an internist in Rockford, Illinois
Dr. Winthers practices at UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority.
Dr. Winthers' NPI, 1043643083, was assigned on August 13, 2013. Dr. Winthers holds Colorado license 0004914.
- NPI
- 1043643083NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931478963
- NPI enumeration date
- August 13, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 968-4400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Ryan Winthers practices at UW Health SwedishAmerican Hospital in Rockford, Illinois
Dr. Winthers' primary practice is UW Health SwedishAmerican Hospital, at 1401 East State Street, Rockford, IL 61104 in Winnebago County. The practice phone is (815) 968-4400.
- UW Health SwedishAmerican Hospital1401 East State Street, Rockford, IL 61104 · Winnebago CountyPhone(815) 968-4400
Source: Dmand AI Affiliation Data
Dr. Jonathan Ryan Winthers is affiliated with 2 sites of care and 3 medical groups
Dr. Winthers' primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. Dr. Winthers is also affiliated with OSF Saint Anthony Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Winthers to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan Ryan Winthers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winthers practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UW Health SwedishAmerican Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Ryan Winthers is one of 5,652 internists in Illinois
Internal medicine is Dr. Winthers' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Winthers is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Winthers
Counts of internists 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. Jonathan Ryan Winthers billed Medicare for 221 services in 2024
CMS data shows 221 Medicare services from Dr. Winthers across 2 procedure codes in 2024, for 216 Medicare patients. Medicare paid $29,109 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Winthers' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1892024: 22117%
Dr. Winthers compared with the Illinois median for internists, 2024
- Dr. Winthers
- Illinois median
- Medicare services
- 221vs 56661% below
- Medicare patients
- 216vs 208Close to median
- Part D claims
- 23vs 28492% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Winthers' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Winthers and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Ryan Winthers treated 216 Medicare patients in 2024, average age 75
CMS counts 216 Medicare patients who saw Dr. Winthers in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Winthers' median patient age at 63, with 57% women.
Dr. Winthers' Medicare patients by age, 2024
Dr. Winthers' Medicare patients by sex, 2024
- Women11252%
- Men10448%
Chronic conditions among Dr. Winthers' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Arthritis54%
- Heart failure53%
- Ischemic heart disease51%
- Mood disorders49%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Winthers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Ryan Winthers wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Winthers wrote 14 Medicare Part D claims. 93% of them were for generic drugs. They cover 2 drugs, with $247 in total drug cost. In 2016, CMS named 16 claims across 1 drug.
Dr. Winthers' Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
Dr. Winthers' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2023
- 2016
- 2023
- Claims for drugs CMS names
- 2016: 162023: 2344%
Drugs named by CMS: 2 in 2023, 1 in 2016.
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
How Dr. Jonathan Ryan Winthers takes part in Medicare
Dr. Winthers 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)
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Dr. Jonathan Ryan Winthers received $695 in industry payments from 2020 to 2025
CMS Open Payments shows 32 general payments to Dr. Winthers from 9 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $158.
General payments to Dr. Winthers by program year, 2020 to 2025
Companies that paid Dr. Winthers the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan Ryan Winthers'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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) |
| 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 Dr. Jonathan Ryan Winthers
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. Jonathan Ryan Winthers' NPI number?
Dr. Jonathan Ryan Winthers' NPI number is 1043643083. It was assigned on August 13, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Ryan Winthers?
Dr. Jonathan Ryan Winthers is an internist in Rockford, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan Ryan Winthers practice?
Dr. Winthers practices at 1401 East State Street, Rockford, IL 61104. Dr. Winthers' primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. Dmand AI also links Dr. Winthers to 2 medical groups.
What is Dr. Jonathan Ryan Winthers' office phone number?
The practice phone on file for Dr. Winthers is (815) 968-4400.
What is Dr. Jonathan Ryan Winthers' medical license number?
Dr. Winthers holds Colorado license 0004914.
Which hospitals is Dr. Jonathan Ryan Winthers affiliated with?
Dr. Winthers practices at UW Health SwedishAmerican Hospital in Rockford, Illinois. Dr. Winthers is also affiliated with OSF Saint Anthony Medical Center.
What medical group is Dr. Jonathan Ryan Winthers part of?
Dr. Winthers is linked to Sound Physicians. Dmand AI links Dr. Winthers to 2 more medical groups.
Does Dr. Jonathan Ryan Winthers accept Medicare?
Yes. CMS data shows Dr. Winthers billed Medicare for 221 services in 2024, and Dr. Winthers accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan Ryan Winthers see?
CMS counts 216 Medicare patients who saw Dr. Winthers in 2024, with an average age of 75.
What services does Dr. Jonathan Ryan Winthers bill to Medicare?
In 2024, Dr. Winthers' most billed Medicare services were hospital inpatient care (99223) and critical care (99291).
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What drugs does Dr. Jonathan Ryan Winthers prescribe most?
In 2023 Medicare Part D data, Dr. Winthers' most prescribed drugs by claims were Amlodipine Besylate and Cefdinir.
Has Dr. Jonathan Ryan Winthers received payments from drug or device companies?
CMS Open Payments shows $695 in general payments to Dr. Winthers from 9 companies from 2020 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Jonathan Ryan Winthers been practicing?
Dr. Winthers graduated from medical school in 2013, 13 years ago.
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